Rap 71 E9: Oct Fail; Rap 72 Offset Operation Not Performed - Xerox DocuPrint N2025 Service Manual

RAP 71 E9: OCT Fail

Procedure
Switch the printer power off. Remove the Left Side Cover (REP 1.1) and the Print Engine Con-
troller PWB Cover (REP 8.5). Disconnect P/J19 from the Print Engine Controller PWB. Switch
the main power on. Measure the voltage between P/J19-11 and frame ground. The voltage is
3.2VDC.
Y N
Check the voltage between P/J16 pin 4 and frame ground. The voltage is 3.2VDC.
Y N
Replace the LVPS (REP 8.6).
Replace the Print Engine Controller PWB (REP 8.5).
Switch the Main Power off. Remove the OCT Front Cover (REP 10.4). Disconnect P/J514 from
the OCT PWB. Check for continuity between the following pins:
• P514-2 and P19-2
• P514-3 and P19-3
• P514-4 and P19-4
• P514-6 and P19-11
• P514-7 and P19-12
There is continuity between all pins measured.
Y N
Repair or replace the OCT Harness (PL 10.2) or the Duplex interface Harness (PL 9.2).
Replace the OCT PWB (REP 10.14).
Initial Issue
DocuPrint N2025/N2825

RAP 72 Offset Operation Not Performed

Procedure
Manually move the Offset Assembly from one side to the other. The Offset Assembly moves
smoothly.
Y N
Replace the Offset Assembly (PL 10.2).
Enter Diagnostics and select Component Test. Scroll to OCT Offset Motor and press Enter [4].
The Offset Assembly shifts left then returns right.
Y N
Switch the printer power off. Remove the OCT Front Cover (REP 10.4). Disconnect P/
J515 from the OCT PWB. Measure the resistance between pins 1 and 2 of the discon-
nected plug. The resistance is approximately 90 ohms.
Y N
Replace the OCT Offset Motor (REP 10.9).
Remove the Left Side Cover (REP 1.1) and the Print Engine Controller PWB Cover (REP
8.5). Disconnect P/J19 from the Print Engine Controller PWB. Disconnect P/J514 from
the OCT PWB. Check for continuity between the following pins:
• P514-2 and P19-2
• P514-3 and P19-3
• P514-4 and P19-4
• P514-6 and P19-11
• P514-7 and P19-12
There is continuity between all pins measured.
Y N
Repair or replace the OCT Harness (PL 10.2) or the Duplex interface Harness (PL
9.2).
Replace the OCT PWB (REP 10.14).
Replace the Print Engine Controller PWB (REP 8.5).
02/2000
2-65
Status Indicator Repair Analysis Procedures
RAP 71, RAP 72