October 2012
2-51
ColorQube 8570/8870 Service Manual
93,581 ~ 93,584, 93,597, 93,598, 93,599, 93,800
Fault Messages and Codes
Xerox Internal Use Only - Revised, 3rd Revision
93,581 ~ 93,584 Printhead Level Sense Faults
A Printhead Level Sense error has occurred. The following troubleshooting procedure applies
to these errors.
Initial Actions
• Reboot the printer and verify the error persists.
• Check for ink spills around the Printhead.
• Check for mixed ink in the Printhead reservoirs.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Printhead Assembly, PL 2.1 Item 3
• Cable, Printhead Interface, PL 5.1 Item 20
Wiring and Plug/Jack Reference (Chapter 7 - Wiring Data)
• Figure 2, Wave Amplifier, Printhead Heaters
• Figure 6, Top Side Wire Routing - Section 7, Wiring Data
Procedure
Check the Printhead cable connector P/J130 and the Gray Printhead Data Cable P/J180 for
damage.
Are the cables damaged?
YN
Replace the Printhead Assembly (REP 2.3).
Replace or repair the wiring harnesses. Does the error persist?
YN
Troubleshooting complete.
Check the +50V LED on the Power Supply. Is the LED on?
YN
Follow the diagnostic procedure for +50V short circuits (Printer Fails Power-up: +50V LED
Does Not Illuminate) in Chapter 6, General Troubleshooting.
Replace the Printhead Assembly (REP 2.3).
93,597, 93,598, 93,599, 93,800 Printhead Level Sense
Faults
A Printhead Level Sense error has occurred. The following troubleshooting procedure applies
to these errors.
Initial Actions
• Check the Ink Loader for improperly installed ink sticks.
• Turn the printer power off and allow the printer to cool until the ink solidifies (approxi-
mately 30 minutes).
• Investigate where the contamination came from and remove the contamination source.
One ink color contaminating another color can cause this error.
• If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Ink Loader and Cover, PL 1.1 Item 8
• Printhead Assembly, PL 2.1 Item 3
• Electronics Module, PL 5.1 Item 1
• Main Controller Board, PL 5.1 Item 7
• Power Control Board, PL 5.1 Item 8
• Xerox Ink Sticks
Procedure
Check the Ink Loader chutes for improperly installed Ink Sticks. Has the Ink Sticks been
loaded incorrectly or the wrong ink used?
YN
Disable the Ink Loader Level Sensing.
1. Turn off the printer
2. Open the Ink Loader Door.
3. Turn on the printer.
4. Press and hold the Up + Back buttons until Ink Level Sense disabled.
NOTE: If the message Level Sense Disabled does not appear, turn the printer off
and perform the procedure again.
The Ink Level Sensing remains disabled for approximately 5 minutes. Is level sense dis-
abled?
YN
Continue to perform disable the Ink Loader Level Sensing procedure until level sens-
ing is disabled.
Table 1 Applicable Fault Codes
93,581 Head Open or Shorted LS - Black
93,582 Head Open or Shorted LS - Magenta
93,583 Head Open or Shorted LS - Cyan
93,584 Head Open or Shorted LS - Yellow
Table 1 Applicable Fault Codes
93,597 An over range level sense error occurred in the Black Printhead reservoir.
93,598 An over range level sense error occurred in the Magenta Printhead reservoir.
93,599 An over range level sense error occurred in the Cyan Printhead reservoir.
93,800 An over range level sense error occurred in the Yellow Printhead reservoir.
A B
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