Rap 50 Low Paper Tray 2 (Or Tray 3) 500 Sheet Feeder - Xerox DocuPrint N2025 Service Manual

A
Y N
Replace the Retard Chute Assembly (REP 11.13).
Remove the Rear Chute Assembly (REP 11.13). Inspect the Rear Chute Assembly for
damaged missing or broken Idler Rollers and Springs.
Replace with fresh, dry paper.
Status Indicator Repair Analysis Procedures
RAP 49, RAP 50

RAP 50 Low Paper Tray 2 (or Tray 3) 500 Sheet Feeder

Tray 2 and/or Tray 3 have low paper.
Procedure
Fill the affected paper tray with fresh paper. The Error Code is still displayed.
Y N
Problem solved.
Remove the paper tray from the 500 Sheet Feeder Assembly. Manually push up and release
the low paper actuator. The low paper actuator moves smoothly up and down.
Y N
Replace the Low Paper Actuator (PL 11.3) or the Tray 2/3 Left Guide Assembly (REP
11.14) as necessary.
Enter Diagnostics and select Component Test. Scroll to Sensor Input test and press Enter.
Press and release the Low Paper Actuator. The number on the LCD increments each time
you press and release the actuator.
Y N
Switch the printer power off. Remove the 500 Sheet Feeder Left Cover (REP 11.3). Dis-
connect P/J133 from the Feeder PWB. Switch the printer power on. Measure the voltage
between P133 pin 1 and frame ground and between P133 pin 3 and frame ground. Both
readings are +3.2VDC.
Y N
Replace the Feeder PWB (REP 11.8).
Switch the printer power off. Reconnect P/J133. Switch the printer power on. Measure the
voltage between P/J133 pin 3 and frame ground as you actuate and deactuate the Low
Paper Sensor. The voltage is 0.0VDC when deactuated and +3.2VDC when actuated.
Y N
Switch the printer power off. Remove the 500 Sheet Feeder Left Tray Guide. Check
for continuity between P/J133 and P/J137. Repair or replace as necessary. If the
harness checks good, replace the Low Paper Sensor (PL 11.3).
Measure the voltage between P/J132 pin 7 and frame ground as you actuate and deactu-
ate the Low Paper Sensor. The voltage is +0.9VDC when deactuated and 0.0VDC
when actuated.
Y N
Replace the Feeder PWB (REP 11.8).
Switch the printer power off. Remove the printer Left Side Cover (REP 1.1) and the Print
Engine Controller PWB Cover (REP 8.5). Switch the printer power on. Measure the volt-
age between P/J13 pin 7 and frame ground as you actuate and deactuate the Low Paper
Sensor. The voltage is +0.9VDC when deactuated and 0.0VDC when actuated.
Y N
Check for continuity between P/J132 and P/J131 and between P/J131 and P/J13.
Repair or replace as necessary.
Replace the Print Engine Controller PWB (REP 8.5).
Replace the Print Engine Controller PWB (REP 8.5).
02/2000
2-48
Initial Issue
DocuPrint N2025/N2825