4,0Xx.6X Process Control Program Faults; 5,0Xx.4X Y-Axis Sub-System Faults - Xerox Phaser 8560MFP Service Documentation

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 8510/8560MFP Multifunction Product
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, Figure 7
Drum Assembly (Encoder) Right Side Harness / /O Control, Figure 8
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 (P/
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?
10/2006
2-13
Yes No
Go to Step 2. Go to Step 3.
Replace the wiring. Go to Step 4.
Replace the wiring. Replace the Drum
Assy (REP 2.0.3).
Go to Step 5. Replace the Y-Axis
Motor (REP 4.0.11).
Go to Step 6. Replace the Y-Axis
Belt (REP 2.0.4).
Error Messages and Codes
4,0xx.6x, 5,0xx.4x