Rap 57 E7: Duplex Jam - Xerox DocuPrint N2025 Service Manual

RAP 57 E7: Duplex Jam

There is a paper jam between the Exit Assembly and the Duplex Sensor.
Procedure
Open the printer and check for paper or other obstructions in the paper path. The printer if
free of jammed paper, paper scraps, or other obstructions.
Y N
Clear all jammed paper, paper scraps, and obstructions from the printer.
Run 15 to 20 duplex test prints. The error code reappears.
Y N
Problem Solved.
Open the Rear Cover and cheat the Rear Cover Interlock. Enter Diagnostics and select Com-
ponent Test. Scroll to Dup Motor On Low and press Enter. The Duplex Motor and rollers
turn smoothly at low speed.
Y N
Replace Duplex components as necessary (PL 13.1).
Scroll to Dup Motor On Hi and press Enter. The Duplex Motor and rollers turn smoothly at
high speed.
Y N
Replace Duplex components as necessary (PL 13.1).
Enter Diagnostics and select Component Test. Scroll to Sensor Input test and press Enter.
Open the Rear Cover. Actuate and deactuate the Duplex Sensor Actuator. The number on
the LCD increments each time you press and release the actuator.
Y N
Switch the printer power off. Remove the printer Left Side Cover (REP 1.1) and the Print
Engine Controller PWB Cover (REP 8.5). Disconnect P/J19 from the Print Engine Control-
ler PWB. Switch the printer power on. Check the voltage between P/J19 pin 5 and frame
ground. The voltage is 3.3VDC.
Y N
Replace the Print Engine Controller PWB (REP 8.5).
Switch the printer power off. Reconnect P/J19 to the Print Engine Controller PWB. Switch
the printer power on. Check the voltage between P/J19 pin 5 and frame ground as you
actuate and deactuate the Duplex Sensor Actuator. The voltage is 3.3VDC when the
sensor is deactuated and 0.0VDC when the sensor is actuated.
Y N
Switch the printer power off. Disconnect P/J19 from the Print Engine Controller PWB
and P/J501 from the Duplex Interface PWB. Check the continuity between the pins
as follows:
• P501-1 and P19-13
• P501-2 and P19-12
• P501-3 and P19-11
• P501-4 and P19-10
• P501-5 and P19-9
• P501-6 and P19-8
A B
Initial Issue
DocuPrint N2025/N2825
A B
• P501-7 and P19-7
• P501-8 and P19-6
• P501-9 and P19-5
• P501-10 and P19-4
• P501-11 and P19-3
• P501-12 and P19-2
• P501-13 and P19-1
There is continuity between all pins measured.
Y N
Repair or replace the Duplex Interface Harness (PL 9.1).
Replace the Duplex PWB (REP 9.7). If the problem still exists, replace the Duplex
Interface PWB (REP 8.3).
Replace the Print Engine Controller PWB (REP 8.5).
Remove the Duplex Assembly. Check the Duplex Assembly rollers for contamination and wear.
The rollers are clean and in good condition.
Y N
Clean or replace the rollers as necessary (PL 13.1).
Replace the Duplex Assembly. Run duplex test prints. The error Code reappears.
Y N
Problem solved.
Replace the Print Engine Controller PWB (REP 8.5).
02/2000
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Status Indicator Repair Analysis Procedures
RAP 57