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Error Codes for DesignJet plotter models Z2100 / Z3100 / Z3100ps GP Photo Printer Series
Use at your own risk!!

Applies to models:
..HP designjet Z2100 Photo Printer 24 inch (Model Q6675A)
..HP designjet Z2100 Photo Printer 44 inch (Model Q6677A)
..HP designjet Z3100 Photo Printer 24 inch (Model Q5669A)
..HP designjet Z3100 Photo Printer 44 inch (Model Q6659A)
..HP designjet Z3100ps Photo Printer 24 inch (Model Q5670A)
..HP designjet Z3100ps Photo Printer 44 inch (Model Q6660A)

System Error Codes explain which component/system is failing and what
action should be taken to resolve the problem.

System Error Codes are displayed directly on the front panel (but can
also be seen on the Information Page) and have been defined in the format
XX.YZ. or XX.n:YZ.m.

Follow up:



. XX: Can be a malfunctioning subsystem or process (2 digits).

. n: Subsystem or process Index (if more than one used in the product) -
Optional.

– e.g. Identify the Ink Supply (color and number).
. Y: Who should perform the action (1 digit) - (0 for User or1 for Service
Engineer).
. Z: Action to perform (1 digit).


The following table explains the XX part of the System Error Code or
Warning:

Code Component/System
01.0 Main PCA/Electronics module
01.1 Add-on Electronics module (printmech)
01.2 Print Mech PCA
02.1 Carriage PCA
02.2 Carriage PCA
03 Power supply
05.1 Fan of the Formatter
06 Formatter
08 Front panel
11 Trailing cable
12.n Carriage flex circuit n to pens
21 Service station
21.1 Service station
22.0 Bongo error BPS0 (ISS Left)
22.1 Bongo error BPS1 (ISS Left)
22.2 Bongo error BPS2 (ISS Right)
22.3 Bongo error BPS3 (ISS Right)
24 Tube assembly (IDS)
26.n Ink Cartridge (color = n)
27 Printhead error
31 Cutter
38 Output Tray
41 Paper-axis motor
41.1 Paper-axis motor
42 Scan-axis motor
44 Aerosol fan
47 Star wheel motor
48 PPS mechanism
51 Window Sensor
52 Drop detector
55 Line sensor
56 Drive roller analog encoder sensor
58 Color sensor (ESP)
61 Error job
62 PC Interface
63 Input/output through LAN card
64 Input/output through USB port
65 Input/output (not known what port)
66 Input/output (not known what port)
67 Input/output through FireWire port
68 Loss of engine counters tracking
71 Memory management
71.19 PrintMech PCA/Formatter
72 Firmware error
73 Servo
74 Firmware upgrade
74.1 Media Profile Update
75.1 Preventive Maintenance kit #1
75.2 Preventive Maintenance kit #2
75.3 Preventive Maintenance kit #3
76 Disk Full
77 Web access application
78 Borderless
78.1 Media Settings
79 Assertion (uncontrolled FW error)
79.1 Recoverable Firmware Error
81 Media advance
81.1 Media advance
84 Roll Feed
85 Media-axis encoder reading
86 Carriage Movement
87 Scan-axis encoder reading
93 Ink Pumping
94 Color calibration
94.1 Profiler
95 Printhead alignment
97 Paper advance calibration

The following table explains the YZ part of the System Error Code or
Warning:

Code Recovery Action Response
00 Replace
Possible for
customer to
perform
action
01 Reseat/Reconnect/Clean/Adjust (manually)
02 Calibrate/Adjust (using Automatic Process)
03 Power OFF and Restart the Printer
04 Upgrade System Firmware
05 Upgrade Driver or Computer Software
06 Add Accessory
07 Escalate
08 Send Plot Again
09 Wrong Part Installed
10 Replace
hp qualified
personnel
assistance
required
11 Reseat/Reconnect/Clean/Adjust (manually)
12 Calibrate/Adjust (using Automatic Process)
13 Power OFF
14 Upgrade System Firmware
15 Upgrade Driver or Computer Software
16 Add Accessory
17 Escalate
18 Send Plot Again
19 Wrong Part Installed

System Error Codes and Warnings - Descriptions
This sections describes each of the system error codes and warnings that
could be encountered while using the printer and provides the remedial
action required to solve the problem detected.
System Error: 01.0:YZ
Problem
Description:
HCI queue does not end after 2 seconds.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..If the System Error continues, replace the Formatter . Page 8-147.
..If the System Error continues, replace the Main PCA . Page 8-151.
System Error: 01.1:YZ
Problem
Description:
NVM backup: not found, read, write or read back error.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..If the System Error continues, replace the Main PCA . Page 8-151.
..If the System Error continues, replace the Formatter . Page 8-147.
System Error: 01.2:YZ
Problem
Description:
Print Mech PCA fault or NVM backup failure.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..If the System Error continues, replace the PrintMech PCA . Page 8-68.
Only replace one component at a time and check if the
error has gone before replacing another component. Using
this procedure you will be able to determine exactly which
component failed.

System Error: 02.1:YZ
Problem
Description:
Encoder seems to be wrong.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Carriage Assembly stopper is correctly installed.
..Replace the Carriage Assembly . Page 8-92.
..If the System Error continues, replace the Encoder Strip . Page 8-81 and
Encoder Sensor . Page 8-159.
System Error: 02.2:YZ
Problem
Description:
Problem with the Carriage PCA.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Trailing Cable is not damaged.
..Check that the Trailing Cable is correctly connected between the Main
PCA and Carriage PCA.
..Replace the Carriage Assembly . Page 8-92.
..If the System Error continues, replace the Formatter . Page 8-147.
System Error: 03:YZ
Problem
Description:
Problem with Power Supply Unit.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Perform the Electronics Module Test Diagnostic to troubleshoot the
problem further . Page 4-22.
..If the System Error continues, replace the Power Supply Unit (PSU) . Page
8-151.
System Error: 05.1:YZ
Problem
Description:
CPU Fan is stopped or burnt.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Replace the Power Supply Unit (PSU) . Page 8-151.
..If the System Error continues, replace the Main PCA . Page 8-151.
System Error: 06:YZ
Problem
Description:
Main NVM failure - not detected, read/write failed or readback error.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..If the System Error continues, replace the Formatter . Page 8-147.
System Error: 08:YZ
Problem
Description:
Problem with the Front Panel.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Front Panel interface cable is not damaged and is
correctly connected between the Main PCA and the Front Panel.
..Check that the memory module in the Formatter is installed correctly.
..Check that the connections between the Formatter, the Formatter and the
Formatter are not damaged and are correctly connected.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
..If the System Error continues, replace the Main PCA . Page 8-151.
..If the System Error continues, replace the Formatter . Page 8-147.
..If the System Error continues, replace the Front Panel . Page 8-45.
System Error: 11:YZ
Problem
Description:
Trailing Cable does not seem to be detected.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Trailing Cable is not damaged.
..Check that the Trailing Cable is correctly connected between the Main
PCA and Carriage PCA.
..If the System Error continues, replace the Formatter . Page 8-147.
..If the System Error continues, replace the Main PCA . Page 8-151.
..If the System Error continues, replace the Carriage PCA . Page 8-126.

System Error: 12.n:YZ
Problem
Description:
Carriage & PCA Main doesn’t detect pens.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Trailing Cable is not damaged.
..Check that the Trailing Cable is correctly connected between the Main
PCA and Carriage PCA.
..Check that the Printhead has not failed and is not erroneous.
..Check that the Flex circuit contacts and Printhead contacts are clean.
..If the System Error continues, replace the Carriage PCA . Page 8-126.
..If the System Error continues, replace the Main PCA . Page 8-151.
System Error: 21:YZ
Problem
Description:
Service Station.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Check the Primer Tubes. Reconnect the power cord and
power On the Printer.
..Make sure that the Service Station path is clear. Remove any visible
obstacles (e.g. screws, plastic parts, etc...) restricting the movement of the
Service Station.
..Perform the Service Station diagnostic test to troubleshoot the problem
further . Page 4-43.
..If the System Error continues, replace the Service Station . Page 8-57.
..If the System Error continues, replace the PrintMech PCA . Page 8-68.
System Error: 21.1:YZ
Problem
Description:
Service Station servo shutdown.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Check the Primer Tubes. Reconnect the power cord and
power On the Printer.
..Perform the Service Station diagnostic test to troubleshoot the problem
further . Page 4-43.
..If the System Error continues, replace the Service Station . Page 8-57.
..If the System Error continues, replace the PrintMech PCA . Page 8-68.

System Error: 22.0:YZ
Problem
Description:
ISS Left BPS0 error.(Supplies 0, 1, 2).
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the cables between the Left Ink Supply Station and Main PCA
the are not damaged and are correctly connected.
..Perform the Ink Delivery System diagnostic test to troubleshoot the
problem further . Page 4-39.
..If the System Error continues, replace the Left Ink Supply Station . Page
8-135.
..If the System Error continues, replace the Main PCA . Page 8-151.
..If the System Error continues, replace the Formatter . Page 8-147.
System Error: 22.1:YZ
Problem
Description:
ISS Left BPS1 error.(Supplies 3, 4, 5).
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the cables between the Left Ink Supply Station and Main PCA
the are not damaged and are correctly connected.
..Perform the Ink Delivery System diagnostic test to troubleshoot the
problem further . Page 4-39.
..If the System Error continues, replace the Left Ink Supply Station . Page
8-135.
..If the System Error continues, replace the Main PCA . Page 8-151.
..If the System Error continues, replace the Formatter . Page 8-147.
System Error: 22.2:YZ
Problem
Description:
ISS Right BPS0 error.(Supplies 0, 1, 2).
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the cables between the Right Ink Supply Station and
PrintMech PCA the are not damaged and are correctly connected.
..Perform the Ink Delivery System diagnostic test to troubleshoot the
problem further . Page 4-39.
..If the System Error continues, replace the Right Ink Supply Station . Page
8-135.
..If the System Error continues, replace the Main PCA . Page 8-151.
..If the System Error continues, replace the Formatter . Page 8-147.

System Error: 22.3:YZ
Problem
Description:
ISS Right BPS1 error.(Supplies 3, 4, 5).
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the cables between the Right Ink Supply Station and
PrintMech PCA the are not damaged and are correctly connected.
..Perform the Ink Delivery System diagnostic test to troubleshoot the
problem further . Page 4-39.
..If the System Error continues, replace the Right Ink Supply Station . Page
8-135.
..If the System Error continues, replace the Main PCA . Page 8-151.
..If the System Error continues, replace the Formatter . Page 8-147.
System Error: 24:YZ
Problem
Description:
Ink Setup failure
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Try purging the Ink Supply Tubes again once the Printer has been
restarted.
..Install new Cartridges in the printer and try purging the Ink Supply Tubes
again.
System Error: 26.n:YZ (color = n)
Problem
Description:
Ink Cartridge error (color = n)
Corrective Action: Try the following:
..Remove the Ink Supply Cartridges and check that they are the correct
ones for this printer and are in the proper order.
..Check that the Printer has the latest firmware. If not, update the firmware
to the latest version.

System Error: 27:YZ
Problem
Description:
An error has occurred in Printhead detection.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Remove the Printheads from the Carriage Assembly and reinsert them.
..Replace the Printheads.
..Replace the Carriage Cover (Flex Circuit) . Page 8-121.
..Replace the Carriage PCA . Page 8-126.
..Replace the Formatter . Page 8-147.
System Error: 29.n:YZ
Problem
Description:
An error has occurred in Printhead detection.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Remove the Printheads from the Carriage Assembly and reinsert them.
..Replace the Printheads.
..Replace the Carriage Cover (Flex Circuit) . Page 8-121.
..Replace the Carriage PCA . Page 8-126.
..Replace the Formatter . Page 8-147.
System Error: 31:YZ
Problem
Description:
An error has been detected with the cutter.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check the Cutter Assembly for blockage or any other obvious problems.
..Replace the Cutter Assembly . Page 8-40.
System Error: 38:YZ
Problem
Description:
An error has been detected with the Media Output Tray.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check the Media Output Assembly for blockage or any other obvious
problems.
..Replace the Media Output Assembly . Page 8-13.

System Error: 41:YZ
Problem
Description:
Electrical fault or current limit in Media-Axis Motor.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Open the Window and check for any visible obstacles restricting the
movement of the Media Advance Roller. If there is a wrinkled mass of
media inside the paper path, lift the Pinch wheels (using Media Lever)
and clear the obstruction.
..Perform the Paper Drive diagnostic test to troubleshoot the problem further
. Page 4-18.
..Check that the Media Advance Drive cable is not damaged and is
correctly connected to the Main PCA.
..Replace the Media Advance Drive . Page 8-162.
..If the System Error continues, replace the Main PCA . Page 8-151.
System Error: 41.1:YZ
Problem
Description:
Electrical fault or current limit in Media-Axis Motor.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Open the Window and check for any visible obstacles restricting the
movement of the Media Advance Roller. If there is a wrinkled mass of
media inside the paper path, lift the Pinch wheels (using Media Lever)
and clear the obstruction.
..Perform the Paper Drive diagnostic test to troubleshoot the problem further
. Page 4-18.
..Check that the Media Advance Drive cable is not damaged and is
correctly connected to the Main PCA.
..Replace the Media Advance Drive . Page 8-162.
..If the System Error continues, replace the Main PCA . Page 8-151.
System Error: 42:YZ
Problem
Description:
Electrical fault or current limit in Scan-Axis Motor..
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Open the Window and check for any visible obstacles restricting the
movement of the Media Advance Roller. If there is a wrinkled mass of
media inside the paper path, lift the Pinch wheels (using Media Lever)
and clear the obstruction.
..Perform the Scan Axis diagnostic test to troubleshoot the problem further
. Page 4-7.
..Check that the Scan-Axis Motor cable is not damaged and is correctly
connected to the PrintMech PCA.
..Replace the Scan-Axis Motor . Page 8-104.
..If the System Error continues, replace the PrintMech PCA . Page 8-68.
System Error: 44:YZ
Problem
Description:
Fan Electrical fault, or not connected..
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Aerosol Fan cable is not damaged and is correctly
connected to the PrintMech PCA
..Replace the Aerosol Fan Assembly . Page 8-62.
..If the System Error continues, replace the PrintMech PCA . Page 8-68.
System Error: 47:YZ
Problem
Description:
Star wheels motor error..
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Starwheel Assembly cable is not damaged and is correctly
connected to Main PCA.
..Open the Window and check for any visible obstacles restricting the
movement of the Starwheel Assembly, then clear the obstruction.
..Perform the Scan Axis Starwheel diagnostic test to troubleshoot the
problem further . Page 4-7.
..Replace the Starwheel Motor . Page 8-184.
..If the System Error continues, replace the Main PCA . Page 8-151.

System Error: 48:YZ
Problem
Description:
PPS system failure.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Pen to Paper Space (PPS) Solenoid cable is not damaged
and is correctly connected to the PrintMech PCA.
..Perform the Scan Axis PSS diagnostic test to troubleshoot the problem
further . Page 4-9.
..Replace the Pen to Paper Space (PPS) Solenoid . Page 8-70.
..If the System Error continues, replace the PrintMech PCA . Page 8-68.
System Error: 51:YZ
Problem
Description:
Window Sensor failure.
Corrective Action: Try the following:
..Check that the Window Position Sensor cable is not damaged and is
correctly connected to the PrintMech PCA.
..Perform the Sensors Test to troubleshoot the problem further . Page 4-33.
..Replace the Window Position Sensor . Page 8-51.
System Error: 52:YZ
Problem
Description:
The printer has detected a faulty pare in Drop Detector (DDP).
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Drop Detector cable is not damaged and is correctly
connected to the PrintMech PCA.
..Check that the Service Station cable is not damaged and is correctly
connected to the PrintMech PCA.
..Replace the Drop Detector . Page 8-61.
..Reset the Calibration Flag of the Drop Detector . Page 5-14.
..If the System Error continues, replace the PrintMech PCA . Page 8-68.
..If the System Error continues, replace the Formatter . Page 8-147.

System Error: 55:YZ
Problem
Description:
Problem with the Line Sensor (Tetris). The printer has detected a failure to
access Line Sensor EEPROM).
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Perform the Carriage Test to troubleshoot the problem further . Page 4-
27
..Check the Line Sensor connections to the Carriage PCA.
..Replace the Line Sensor . Page 8-116.
..If the System Error continues, replace the Carriage PCA . Page 8-126.
System Error: 56:YZ
Problem
Description:
Drive roller analog encoder sensor fail or calibration failed.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Perform the Media Path Test to troubleshoot the problem further . Page
4-18.
..Replace the Encoder Disk and Encoder Sensor . Page 8-159.
..If the System Error continues, replace the Main PCA . Page 8-151.
System Error: 58:YZ
Problem
Description:
The Color Sensor (Spectrophotometer-ESP-) of the printer is not working well.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..The Color Sensor (ESP) shutter has not opened.
..Perform the Color Sensor diagnostic test to troubleshoot the problem
further . Page 4-36.
..If the System Error continues, replace the Color Sensor (ESP) . Page 8-
110.

System Error: 61:YZ
Problem
Description:
The file format is incorrect and the Printer cannot process the job.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check the graphic language setting of the Printer (Refer to the User's
Guide).
..Resend the file to the printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
..The Postscript fonts are missing. Upgrading the Firmware will re-install the
fonts.
..The file cannot be printed because it is password protected. Resend the
file without password protection.
System Error: 62:YZ
Problem
Description:
PC Interface
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Get the latest version of the firmware.
System Error: 63:YZ
Problem
Description:
Input/Output problem through the Network Card.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Network cable is correctly connected to the Formatter.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
..If the System Error continues, replace the Formatter . Page 8-147.
..If the System Error continues, replace the Main PCA . Page 8-151.

System Error: 64:YZ
Problem
Description:
Input/Output problem through the USB Port.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the USB cable is correctly connected to the Printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
..If the System Error continues, replace the Formatter . Page 8-147.
..If the System Error continues, replace the Main PCA . Page 8-151.
System Error: 65:YZ
Problem
Description:
Memory Driver Internal I/O error, I/O Socket Manager Internal I/O error.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the unknown port cable is correctly connected to the Printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
..If the System Error continues, replace the Formatter . Page 8-147.
..If the System Error continues, replace the Main PCA . Page 8-151.
System Error: 66:YZ
Problem
Description:
Cannot print file on current paper type. The paper type has changed since
the file was sent, so the file cannot be printed on the paper type currently
loaded.
Corrective Action: Try the following:
..Resend the file to be printed on the current paper type.
..Change the paper type to the type that was loaded when the file was
originally sent.
System Error: 67:YZ
Problem
Description:
Input/Output problem through a Firewire Port.
Corrective Action: Try the following:
..Check that the firewire cable is correctly connected to the Printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
..If the System Error continues, replace the Main PCA . Page 8-151.

System Error: 68:YZ
Problem
Description:
Loss of engine counters tracking.
Corrective Action: Try the following:
..Reboot the printer. The printer will continue to function correctly, but the
life counters will not continue counting until you restart the printer.
System Error: 71:YZ
Problem
Description:
Out of memory failure.
Corrective Action: Try the following:
..It is recommended that you remove any unnecessary files from the Hard
Disk Drive of the Formatter using the Web Server.
System Error: 71:19
Problem
Description:
Default Serial Number found in the main and backup NVM. It seems that
both the Print Mech PCA and Hard Disk Drive have been replaced together.
Corrective Action: Try the following:
..Perform the “Error 71:19 Recovery” Service Utility . Page 4-54.
System Error: 72:YZ
Problem
Description:
Generic Firmware error.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
You MUST NEVER replace both the Formatter and the
PrintMech PCA at the same time. If both parts need to be
replaced, you MUST first replace one part and then power
ON the Printer until it completely initializes. Then you can
power OFF the Printer and replace the other part.

System Error: 73:YZ
Problem
Description:
Servo Error.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
..Perform the Scan Axis Test to troubleshoot the problem further . Page 4-
7.
..If the System Error continues, perform the Media Drive diagnostic test to
troubleshoot the problem further . Page 4-18.
System Error: 74:YZ
Problem
Description:
Error uploading firmware update file.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Make sure the connection between the computer and the printer is
functioning properly.
..Try to update the Firmware again.
System Error: 74.1:YZ
Problem
Description:
Error uploading media profile update file.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Make sure the connection between the computer and the printer is
functioning properly.
..Try to upload the media profile update file again.
System Error: 75.1:YZ
Problem
Description:
Preventive Maintenance Kit #1 counter active.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord.
..Change the Belt Assembly, the Scan-Axis Motor, the Ink Supply Tubes,
Carriage Assembly (this does not include the Carriage PCA but it does
include the Trailing Cable).
You should use the appropriate Preventive Maintenance Kit #1. Refer to
Page 7-24.
..Once the parts have been changed, use the Service Menu to reset the
counters that affect PMKit #1.
..Change the Trailing Cable with Preventive Maintenance Kit # 4.
Once the parts have been changed, use the Service Menu to reset the
counters that affect PMKit #4.
System Error: 75.2:YZ
Problem
Description:
Preventive Maintenance Kit #2 counter active.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord.
..Change theLeft Spittoon foams and Belt Assembly, the Scan-Axis Motor,
the Ink Supply Tubes, and Carriage Assembly (this does not include the
Carriage PCA and Color Sensor (ESP), but it does include the Trailing
Cable).
You should use the Service parts:
PMKit #2 Q6675-60032 Z2100 (24 inch)
PMKit #2 Q6677-60015 Z2100 (44 inch)
PMKit #2 Q5669-60748 Z3100 (24 inch)
PMKit #2 Q6659-60189 Z3100 (44 inch)
..Once the parts have been changed, use the Service Menu to reset the
counters that affect PMKit #2. See 4. Reset Life Counters, Page 4-68.
System Error: 75.3:YZ
Problem
Description:
Preventive Maintenance Kit #3 counter active.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord.
..Change the Cutter Assembly using the appropriate Preventive
Maintenance Kit #3. Refer to Page 7-24. Note that the PMkit is the same
as the Cutter Assembly.
..Once the parts have been changed, use the Service Menu to reset the
counters that affect PMKit #3.
System Error: 76:YZ
Problem
Description:
Hard disk drive is full.
Corrective Action: Try the following:
..Remove any unnecessary files from the hard disk using the web server.

System Error: 77:YZ
Problem
Description:
Web access application. The web server is not functioning correctly.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
System Error: 78:YZ
Problem
Description:
Borderless printing not possible. Setting ignored.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Send the plot again.
System Error: 78.1:YZ
Problem
Description:
Media settings area missing in media settings file.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
..Update the OMES.
System Error: 79:YZ
Problem
Description:
Generic Firmware error.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.

System Error: 79.1:YZ
Problem
Description:
Recoverable firmware error that does not stop the printing process.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Check that the Printer has the latest Firmware version. If not, update the
Firmware to the latest version.
System Error: 81:YZ
Problem
Description:
Problem with paper advance.
Corrective Action: Try the following:
..Open the Window and check for any visible obstacles restricting the
movement of the Drive Roller. If there is a wrinkled mass of media inside
the paper path, lift the Pinchwheels (using the Media Lever) and clear the
obstruction.
..Perform the Media Drive diagnostic test to troubleshoot the problem
further . Page 4-18.
..Check the connections on the Main PCA; the Media Advance Drive is
connected to the connector labeled Paper Motor.
..If the System Error continues, replace the Media Advance Driver . Page
8-162.
System Error: 81.1:YZ
Problem
Description:
Problem finding the Drive Roller zero.
Corrective Action: Try the following:
..Open the Window and check for any visible obstacles restricting the
movement of the Drive Roller. If there is a wrinkled mass of media inside
the paper path, lift the Pinchwheels (using the Media Lever) and clear the
obstruction.
..Perform the Media Drive diagnostic test to troubleshoot the problem
further . Page 4-18.
..Check the connections on the Main PCA; the Media Advance Drive is
connected to the connector labeled Paper Motor.
..If the System Error continues, replace the Media Advance Driver . Page
8-162.

System Error: 84:YZ
Problem
Description:
Back tension servo shutdown (roll feeding).
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..If the problem persists, contact HP support.
System Error: 85:YZ
Problem
Description:
Problem finding the Drive Roller zero.
Corrective Action: Try the following:
..Perform the Media Drive diagnostic test to troubleshoot the problem
further . Page 4-18.
System Error: 86:YZ
Problem
Description:
Possible Paper Jam.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Open the Window and check for any visible obstacles restricting the
movement of the Drive Roller. If there is a wrinkled mass of media inside
the paper path, lift the Pinch wheels (using the Media Lever) and clear the
obstruction.
System Error: 87:YZ
Problem
Description:
Problem finding the Scan-axis encoder reading.
Corrective Action: Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Movement jam.
..Possible paper jam.
..Mechanical Initiator scan axis measure error.
..Check that the Scan-Axis Motor is correctly connected.
..Check that the Encoder Sensor is correctly connected.
..Remove the Encoder Strip and clean it.
..Perform the Scan Axis diagnostic test to troubleshoot the problem further
. Page 4-7

System Error: 93:YZ
Problem
Description:
Unable to pressurize the Ink Delivery System.
Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Perform the Ink Delivery System diagnostic test to further troubleshoot the
problem. . Page 4-39
..If the problem persists, contact HP support.
System Error: 94:YZ
Problem
Description:
Color calibration Error.
Try the following:
..Profiling failed due to a different error (not algorithm / data processing).
..Perform the Color Sensor (ESP) calibration. You must use glossy paper for
this calibration.
..If the System Error continues, replace the Carriage PCA . Page 8-126.
..If the System Error continues, replace the Formatter . Page 8-147.
System Error: 94.1:YZ
Problem
Description:
Profiling algorithm failed.
Try the following:
..Profiling failed due to a different error (not algorithm / data processing).
..Perform the Color Sensor (ESP) calibration. You must use glossy paper for
this calibration.
..If the System Error continues, replace the Carriage PCA . Page 8-126.
..If the System Error continues, replace the Formatter . Page 8-147.
System Error: 98:YZ
Problem
Description:
Automatic backup print mode enabled.
Try the following:
..Switch the Power OFF from the back of the Printer and disconnect the
Power cord. Reconnect the power cord and power On the Printer.
..Recover the printheads.

Computer Care is not responsible for typographical errors, ownership of any proprietary information or ideas remains the sole property of the original writer.
Computer Care has one intention here, to place information in the hands of the owners of these machines so they can make informed decisions about the service of their plotter.
Good Luck!

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Do it yourself repair information for your HP DesignJet Plotter.

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