Rap 54 550 Sheet Feeder Assembly Not Recognized - Xerox DocuPrint N2125 Service Manual

RAP 54 550 Sheet Feeder Assembly Not Recognized

Controller does not recognize the Feeder Assembly.
Procedure
Check the alignment of the printer to the 550 Sheet Feeder and the alignment of the top 550
Sheet Feeder to the second 550 Sheet Feeder, if installed. Ensure that the connectors are
properly aligned and properly connected. All connectors are properly aligned and con-
nected.
Y N
Reseat the feeders and printer to obtain proper alignment and connection.
Switch the printer power off. Remove the Left Interface Cover
and the Left Plate Assembly (REP 1.11). Switch the printer power on. On the Print Engine Con-
troller PWB, check the voltage between P/J33 pin 13 and frame ground. The
24VDC.
Y N
On the Print Engine Controller PWB, check the voltage between P/J33 pin 6 and frame
ground. The voltage is 24.0VDC.
Y N
Replace the Print Engine Controller PWB
Remove Paper Tray 2. Check the voltage between the bottom terminal on the mating con-
nector on the Tray 2 feeder and frame ground. The voltage is 24.0VDC.
Y N
Remove paper tray 1. Check the voltage between the bottom terminal on the mating
connector on the Tray 1 feeder and frame ground. The voltage is 24.0VDC.
Y N
Replace the Tray 1 Size PWB
Tray 1 Feeder PWB (REP
Check the resistance between the bottom and top terminals of the mating connector
on paper tray 1. There is continuity between the two pins.
Y N
Replace the paper tray mating connector
Check that the paper tray mating connector and the feeder mating connector are
properly aligned when the tray 1 is inserted into the feeder. The mating connectors
are properly connected when the paper tray is inserted.
Y N
Repair or replace components as necessary.
Replace the Tray 1 Size PWB (REP
Feeder PWB (REP 3.9).
Check the resistance between the bottom and top terminals of the mating connector on
the paper tray 2. There is continuity between the two pins.
Y N
Replace the paper tray mating connector
A B
Status Indicator Repair Analysis Procedures
RAP 54
(REP 1.1), Left Cover
voltage
(REP 9.3).
(REP 3.13). If the problem persists, replace the
3.9).
(PL 2.2).
3.13). If the problem persists, replace the Tray 1
(PL 2.2).
A B
Check that the paper tray mating connector and the feeder mating connector are properly
aligned when the tray is inserted into the feeder. The mating connectors are properly
connected when the paper tray is inserted.
Y N
Repair or replace components as necessary.
Replace the Tray 2 Size PWB
Feeder PWB (REP 11.9).
The printer has two optional 550 Sheet Feeders installed.
Y N
Replace the Printer Engine Controller PWB
(REP 1.2),
On the Print Engine Controller PWB, check the voltage between P/J33 pin 14 and frame
is ground. The voltage is 24.0VDC.
Y N
Remove Paper Tray 3. Check the voltage between the bottom terminal on the mating con-
nector on the Tray 3 feeder and frame ground. The voltage is 24.0VDC.
Y N
Replace the Tray 3 Size PWB
3 Feeder PWB (REP
Check the resistance between the bottom and top terminals of the mating connector on
paper tray 3. There is continuity between the two pins.
Y N
Replace the paper tray mating connector
Check that the paper tray mating connector and the feeder mating connector are properly
aligned when the tray is inserted into the feeder. The mating connectors are properly
connected when the paper tray is inserted.
Y N
Repair or replace components as necessary.
Replace the Tray 3 Size PWB
Feeder PWB (REP 11.9).
Replace the Print Engine Controller PWB
02/2000
2-46
(REP 11.19). If the problem persists, replace the Tray 2
(REP 9.3).
(REP 11.19). If the problem persists, replace the Tray
11.9).
(PL 2.2).
(REP 11.19). If the problem persists, replace the Tray 3
(REP 9.3).
Initial Issue
DocuPrint N2125