C1-Check Tray; C2-Check Tray - Xerox DocuPrint C55 Service Manual

C1 CHECK TRAY 1 RAP
Cassette 1 is not in the printer.
INITIAL ACTION
Load paper and insert Cassette 1 into the
printer.
Switch the power off wait 10 seconds and
switch the power on. Recheck for the fault.
PROCEDURE
Enter IOT normal diagnostics. Scroll to the
SWITCH SCAN program and select Scan Row
01, Press Form Feed [1].
Remove Cassette 1. Manually make and
break Paper Size Sensor 0 while observing the
Cyan LED. (Sensor 0 is the first one on the
left when viewed from the front of the printer.)
The Cyan LED switches on and off.
Y N
Go to BSD 7.2 in Section 7 and trouble-
shoot the Paper Size 0 Sensor signal
(CN107-8) for a short to ground.
If no short is found, replace the PCU
PWB. If the problem still exists, replace
the Cassette PWB.
Check for a broken Sensor Flag on the Tray 1
Cassette.
If the problem still exists, replace the PCU
PWB. If the problem still exists, replace the
Cassette PWB.
DocuPrint C55/C55mp/[NC60]
C2 CHECK TRAY 2 RAP
Cassette 2 is not in the printer.
INITIAL ACTION
Move the length stop to the 11 inch position
(Figure 2-2), load paper, and insert Cassette 2
into the printer.
Switch the power off wait 10 seconds and
switch the power on. Recheck for the fault.
PROCEDURE
Enter IOT normal diagnostics. Scroll to the
SWITCH SCAN program and select Scan Row
03. Press Form Feed [1].
Remove Cassette 2. Manually make and
break T2 Paper Size Sensor 0 while observing
the Cyan LED.
The Cyan LED switches on and off.
Y N
Refer to BSD T2, 7.2 in Section 7 and
check the following:
• T2 Paper Size 0 Sensor signal CN109-
1 for an open.
• +5 VDC CN109-5
If no problem is found, replace the PCU
PWB. If the problem still exists, replace
the T2 Cassette PWB.
Check for a broken Sensor Flag on the Tray 2
Cassette.
If the problem still exists, replace the PCU
PWB. If the problem still exists, replace the
Cassette PWB.
2/99
2-3
10.5" 11", A4 14"
Figure 2-2. Length Stop Location
STATUS INDICATOR RAPs
C1, C2