October 2012
2-85
ColorQube 8570/8870 Service Manual
99,056, 99,057
Fault Messages and Codes
Xerox Internal Use Only - Revised, 3rd Revision
99,056, 99,057 PEST - Power 12V Sleep Faults
A Power Supply error has occurred. The following troubleshooting procedure applies to these
errors.
Initial Actions
•
Reboot the printer and verify the error persists.
•
Check the component power connections and harness condition.
•
If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
•
Electronics Module,
PL 5.1 Item 1
•
Power Control Board,
PL 5.1 Item 8
Wiring and Plug/Jack Reference (Chapter 7 - Wiring Data)
•
Figure 2
, Wave Amplifier, Printhead Heaters
•
Figure 6
, Top Side Wire Routing
Procedure
CAUTION
Be careful when measuring voltages on the test pads that you do not short the probe to the
metal shell of the Electronics Module as you may cause damage.
Check voltage at TP +12V Sleep (see
Figure 1
). Is the voltage within specification (+/-
5%)?
Y
N
Replace the Electronics Module (
REP 5.1
).
Check the Printhead wiring harness connectors
P/J180
and
P/J201
. Are the connections
secure and undamaged?
Y
N
Reseat and/or replace the wiring harness.
Replace the Power Control Board (
REP 5.6
) (Electronics Module).
Figure 1 +12V Sleep Test Point on the Power Control Board
Table 1 Applicable Fault Codes
99,056
PEST - Power 12V Sleep Over Limit
99,057
PEST - Power 12V Sleep Under Limit
Содержание COLORQUBE 8570
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