October 2012
2-71
ColorQube 8570/8870 Service Manual
99,004, 99,005, 99,006
Fault Messages and Codes
Xerox Internal Use Only - Revised, 3rd Revision
Replace the Printhead Assembly (
REP 2.3
).
Perform procedures in RAP
99,002, 99,003
Jetstack Disconnect.
Replace the Printhead Assembly (
REP 2.3
).
99,006 PEST - Drum Heater Disconnect
A Drum Heater error has occurred. The Drum Heater is not drawing the expected power from
the Power Supply. The following troubleshooting applies to this error.
Initial Actions
•
Reboot the printer and verify the error persists.
•
Check the Drum Heater’s wiring connection.
•
If the problem persists, perform the following procedure.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
•
Drum Assembly,
PL 2.1 Item 4
•
Electronics Module,
PL 5.1 Item 1
•
Power Supply Board,
PL 5.1 Item 6
•
Right Side Power Control Harness,
PL 5.1 Item 13
Wiring and Plug/Jack References (Chapter 7 - Wiring Data)
•
Figure 1
, Right Side Wire Routing
•
Figure 6
, Hard Drive, Drum Heater, Paper Preheater
Procedure
Check the Drum Heater wiring harness connector
P/J114
. Is the connection secure and
undamaged?
Y
N
Reseat and/or replace the wiring harness.
Check the Drum Heater for proper resistance. Disconnect the Drum Heater wiring harness
connector
P/J114
from the right side harness. Measure the red-black circuit and the white-
black circuit. Each heater element in the circuit should measure ~65 ohms (white-black ~65
ohms, red-black ~65 ohms). Is it open or shorted?
Y
N
Check the Heater. Is the Heater test open?
Y
N
Perform the following checks:
•
Test F3 in the Power Supply. Refer to
Testing F2 and F3
in the Electrical Trou-
bleshooting section in Chapter 6, General Troubleshooting.
•
Test for bad Jetstack triac. Refer to
Checking for Shorted and Leaky Triacs
in
the Electrical Troubleshooting section in Chapter 6, General Troubleshooting.
•
Test for shorts to Earth. Measure the resistance of
P/JAC2
Pin 1 to Pin 7. It
should be greater than 2 Megaohms.
Are F3 and the triacs OK and is
P/JAC2
Pin 1 to Pin 7 greater than 2 Megao-
hms? (Ensure your DMM is rated to measure high-impedance resistance.)
Y
N
Replace the following components:
•
Power Supply Board (
REP 5.6
) (Electronics Module)
Table 1 Applicable Fault Code
99,006
PEST - Drum Heater Disconnect
A
B
C
A
B
C
Summary of Contents for COLORQUBE 8570
Page 1: ...ColorQube 8570 8870 Printer ColorQube 8570 8870 Service Manual Xerox Internal Use Only...
Page 2: ......
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