4,0Xx.6X Process Control Program Faults; 5,0Xx.4X Y-Axis Sub-System Faults - Xerox Phaser 8860 Service Manual

4,0xx.6x Process Control Program Faults

A firmware communications error has occurred. The following troubleshooting procedure
applies to these errors:
Initial Actions
• Reset NVRAM and retest.
• If the problem persists, follow the procedure below.
Primary Causes
The troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.
Table 1 4,0xx.6x Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
NVRAM, PL 5.0
Troubleshooting Procedure
Table 2 Process Control Program Faults Troubleshooting Procedure
Step Questions or Actions
1 Reseat all Electronics Module connec-
tions.
Does the problem persist?
2 Check ground integrity.
Are the system grounds connected?
Initial Issue
Phaser 8860/8860MFP Service Manual
Yes No
Go to Step 2. Complete.
Reset NVRAM. If the Reconnect the sys-
error persists, tem grounds.
replace the NVRAM
device (REP 5.0.9).

5,0xx.4x Y-Axis Sub-System Faults

The following troubleshooting procedure applies to these errors:
Y-Axis Sub-System Faults
5,001.41 The Drum rotated once without a Drum Home Position Sensor activation.
5,002.42 The Y-Axis Encoder is faulty, or the Drum has stalled.
5,003.43 Problem in the Y-Axis sub-system.
5,004.44 Problem with the Y-Axis motion sub-system.
Initial Actions
• Check for obstructions or debris.
• If the problem persists, follow the procedure below.
Primary Causes
The troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.
Table 1 5,0xx.4x Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
Y-Axis Belt, PL 2.0
Y--Axis Motor, PL 4.0 Electronics Module Power -
Drum Assembly (Encoder) Right Side Harness / I/O Control -
Troubleshooting Procedure
Table 2 Y-Axis Sub-System Faults Troubleshooting Procedure
Step Questions or Actions
1 Test the Y-Axis Encoder.
Run the Service Diagnostics Y-Axis
Encoder test from the Monitor menu.
Did the test pass?
2 Check the Y-Axis Motor connection
J18).
Is the wiring faulty?
3 Check the Y-Axis Encoder wiring.
Is the wiring faulty?
4 Test the Y-Axis Drive.
Run the Service Diagnostics Y-Axis Drive
test.
Did the test pass?
5 Test Y-Axis Belt tension.
Run the Service Diagnostics Y-Axis Belt
Tension test.
Did the test pass?
09/2007
2-13
Figure 9
Figure 10
Yes No
Go to Step 2. Go to Step 3.
(P/ Replace the wiring. Go to Step 4.
Replace the wiring. Replace the Drum
Assy (REP
Go to Step 5. Replace the Y-Axis
Motor (REP
Go to Step 6. Replace the Y-Axis
Belt (REP
Error Messages and Codes
4,0xx.6x, 5,0xx.4x
2.0.3).
4.0.11).
2.0.4).