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03-371, 03-372 Fuser and Xerographic CRUM
Communication Error RAP
03-371: The fuser CRUM communications have failed.
03-372: The xerographics CRUM communications have failed.
Initial Actions
WARNING
Switch off the electricity to the machine, GP 14. Disconnect the power cord from the
customer supply while performing tasks that do not need electricity. Electricity can
cause death or injury. Moving parts can cause injury.
•
Switch off the machine, then switch on the machine, GP 14.
•
Ensure the fuser module, (32-55 ppm) PL 10.8 Item 1 or (65-87 ppm) PL 10.10 Item 1 is
correctly installed.
•
Ensure the xerographic module, (32-38 ppm) PL 9.22 Item 2 or (45-87 ppm) PL 9.20 Item
2 is correctly installed.
•
Check the fault history file for other 03-xxx fault codes. If the 03-xxx fault codes occur ran-
domly, the cause may be due to electrical noise. Go to OF10 intermittent Failure RAP.
Procedure
CAUTION
Remove the fuser and xerographic modules to prevent damage to the CRUMs when checking
for continuity.
1.
Ensure the P/Js on the IOT PWB, PL 1.10 Item 2 and the main drive motor and PWB
assembly, (32-55 ppm) PL 4.15 Item 6 or (65-87 ppm) PL 4.10 Item 6 are correctly and
securely connected.
2.
Perform OF7 IOT PWB Diagnostics RAP.
3.
Switch off the machine, GP 14. Go to Flag 1. Disconnect P/J8 on the IOT PWB. Switch
on the machine, GP 14. Make a copy. Check the fault history for new occurrences of 03-
371 and 03-372 faults. If new occurrences are not listed, install a new IOT PWB, PL 1.10
Item 2.
4.
Go to Flag 1. Check the harness, GP 7 and measure the voltages. As necessary, refer to:
•
01B 0V Distribution RAP.
•
01E +5V Distribution RAP.
NOTE: PJ141 and PJ144 are in-line connectors on the rear panel, (refer to Flag 2 and
Flag 3). They are connected when the module is installed and are susceptible to damage.
5.
03-371 Only: Go to Flag 2. Check the harness. Repair as necessary, REP 1.2.
6.
03-372 Only: Go to Flag 3. Check the harness. Repair as necessary, REP 1.2.
7.
Install new components as necessary:
•
03-371 Only: Fuser connector assembly, (32-55 ppm) PL 4.15 Item 9 or (65-87
ppm) PL 4.10 Item 9.
•
03-371 Only: Fuser Module, (32-55 ppm) PL 10.8 Item 1 or (65-87 ppm) PL 10.10
Item 1.
•
03-372 Only: Xerographic module, (32-38 ppm) PL 9.22 Item 2 or (45-87 ppm) PL
9.20 Item 2.
WorkCentre 5687 Family
•
Main drive motor PWB assembly, (32-55 ppm) PL 4.15 Item 6 or (65-87 ppm) PL
4.10 Item 6.
•
Main Drive Module, (32-55 ppm) PL 4.15 Item 1 or (65-87 ppm) PL 4.10 Item 1.
8.
Reload the software, GP 4 Machine Software.
August 2007
2-89
Status Indicator RAPs
03-371, 03-372
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