Rap 36 E5: Mbf Extended / Insert Mbf - Xerox DocuPrint N2025 Service Manual

A B C
There is continuity between each of the pins.
Y N
Repair or replace the harness, as necessary (PL 9.1).
Replace the Duplex Interface PWB (REP 8.3).
Switch the printer power off. Disconnect P/J507 from the Stack Full Sensor. Check
the continuity between P/J507 and P/J527 as follows.
• J507-1 and J527-3
• J507-2 and J527-2
• J507-3 and J527-1
There is continuity between each of the pins.
Y N
Repair or replace the Stack Full Sensor Harness (PL 6.1), as necessary.
Replace the Stack Full Sensor (REP 5.2).
Replace the Print Engine Controller PWB (REP 8.5).
It appears that the Stack Full Sensor is working correctly. If a problem persists, replace the
Print Engine Controller PWB (REP 8.5).
Initial Issue
DocuPrint N2025/N2825

RAP 36 E5: MBF Extended / Insert MBF

MBF is extended and is not in the home position.
Procedure
Extend and close the MBF. The error code reappears.
Y N
Problem solved.
Extend the MBF and inspect the MBF Home Switch. The MBF Home Switch is in good con-
dition and the actuator moves freely.
Y N
Replace the MBF Home Switch (REP 3.7).
Enter Diagnostics and select Component Test. Scroll to Sensor Input test and press 4. Actuate
and deactuate the MBF Home Switch. The number on the LCD increments each time you
press and release the actuator.
Y N
Switch the power off. Remove the Left Side Cover (REP 1.1). Remove the Print Engine
Controller PWB Cover (REP 8.5). Disconnect P/J20 from the Print Engine Controller
PWB. Switch the printer power on. Measure the voltage between P20 pin 1 and frame
ground. The voltage is 3.2VDC
Y N
Replace the Print Engine Controller PWB (REP 8.5).
Switch the printer power off. Reconnect P/J20 to the Print Engine Controller PWB. Switch
the printer power off. Measure the voltage between P20 pin 2 and frame ground as you
actuate and deactuate the switch. The voltage is 3.2VDC when the switch is deactu-
ated and 0.0VDC when the switch is actuated.
Y N
Replace the MBF Home Switch (REP 3.7).
Replace the Print Engine Controller PWB (REP 8.5).
Replace the Print Engine Controller PWB (REP 8.5).
02/2000
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Status Indicator Repair Analysis Procedures
RAP 35, RAP 36