This applies to HP Plotter models
DesignJet 430
DesignJet 450C
DesignJet 455CA
DesignJet 488CA

After removing and replacing the carriage drive belt.
C4705-60082 for D- size or 24 inch models
C4706-60082 for E- size or 36 inch models
You may receive error code K L M
(Cartridges + Data + Media)

After pressing Cancel
Another error code is displayed E M
(Align Media + Media)

To better understand the error codes on the 400 series of DesignJet plotters see the image below. Map of control panel lights an their corresponding letter assignments.

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This article applies to the following HP DesignJet Plotter Models:
DesignJet 430
DesignJet 450C
DesignJet 455CA
DesignJet 488CA

The process for adjusting the carriage to media distance is explained in Chapter 5 of the service manual.
If you do not have Chapter 5 you can download a pdf copy here.
Chapter 5 Calibrations.

Adjusting the Carriage to Media distance requires that you have the gauge that was supplied with a new carriage assembly. If you do not have this gauge you may not be able to get one, they were never sold as a separate item.

Adjusting the distance is important if the carriage is too high you will get unwanted spray around the ink dots, or over spray and your vertical lines will not be straight. If the carriage is too low you will get you will get ink smears or even have the carriage scrape the paper.

This adjustment may be required:
After the carriage has been replaced.
After reinstalling the carriage due to belt or encoder strip replacement.
Or any other reason the carriage may have been removed from the plotter.

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Double printing or offset printing on DesignJet 500 and
DesignJet 800 Plotter models.

With the DesignJet 500 and 800 plotter models occasionally you will get printing that appears to be ghosting otherwise known as off set or double printing of lines and text. This offset printing usually has a few causes. Worn or damaged carriage belt, dirt or debris in the carriage drive motor gear teeth, improperly seated trailing cable or damaged, dirty or malfunctioning drive roller encoder sensor or drive roller encoder.

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Error memory configuration messages for the DesignJet 1050C / 1050C Plus / 1055 CM and 1055 CM Plus
Memory for the DesignJet 1050C / 1055 CM is not interchangeable with 1050C Plus / 1055 CM Plus and vice versa

Model numbers for DesignJet 1000 Series Plotters
DesignJet 1050C C6074A C6074AR
DesignJet 1055CM C6075A C6075AR
DesignJet 1050C Plus C6074B C6074BR
DesignJet 1055CM Plus C6075B C6075BR

The message Error Memory Config: 10 , or Error Memory Config: 2 is displayed on the printer's front panel display.

Follow the steps below.Error Memory Config: 10 (memory not present or recognized)

  1. 1. Turn the printer off and unplug the power cable from the printer.
  2. 2. Open the firmware/memory access panel located on the back of the printer.
  3. 3. Remove and re-install all memory DIMM's (middle and right-most slot).
  4. 4. Close the access panel and plug the power cord back into the printer
  5. 5. Turn the printer on and verify functionality.
  6. 6. If the problem persists, replace the memory DIMM(s) as needed.

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DesignJet T1100 T1100PS and T610 Error Codes

Error Codes for DesignJet plotter models T1100 T1100PS and T610
Remove and Replace Guide (Chapter 8) refered to in this section can be downloaded from Computer Care Online Webite URL above.

System error codes are hexa-decimal based numbers generally caused by
internal system errors. The following pages contain a list of system error
codes and their respective descriptions and recommended corrective
actions. Only try one recommended action at a time and check if the error
code has disappeared.

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Do it yourself repair information for your HP DesignJet Plotter.



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