Service manual

3-
30 QMS 3260/4032 Laser Printer - Base Engine Technical Manual
Release Version 11-97
Primary FIPS: Error Codes
3.23 Error Code E4-5
There is a paper jam at the Face Up Exit Sensor.
Logic Control on the MCU PWB sensed that the Face Up Exit Sensor did not actuate within the specified
time during the second feed from the Duplex Unit.
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The following components are associated with this specific
problem. One or more of these components may have failed
partially or completely. If you cannot isolate the problem using
this FIP, replace each component listed below, one at a time,
until the problem disappears.
•
wiring and connectors linking the components
1
DUPLEX UNIT INSPECTION
Examine the Duplex Unit operation.
Is the Duplex Unit functioning correctly, and the rollers are
feeding paper from the Offset Unit into the Duplex Unit?
Go to step 2 Go to the
Duplex Unit
Technical
Manual and
troubleshoot
the problem
2
FACE UP EXIT SENSOR TEST
1. Enter Diagnostic Mode - Input H/L 10-24.
2. Manually actuate and deactuate the Face Up Exit Sensor.
Does the Control Panel LCD display H when you insert the
paper into the Face Up Exit Sensor, and does the LCD dis-
play L when you remove the paper?
Replace the
MCU PWB
(RRP 9.7)
Replace the
Face Up Exit
Sensor (RRP
7.5)
3
FACE UP CLUTCH TEST
1. Enter Diagnostic Mode - Output Test 8-51 to check the
Face Up Clutch function.
2. Hand rotate (counter clockwise) the Main Motor.
Do the Offset Rollers rotate?
Go to step 4 Replace the
Offset Unit
Assembly
(RRP 7.1)
4
OFFSET CATCH TRAY REVERSE CLUTCH TEST
Enter Diagnostic Mode - Output Test 8-51 to check the Offset
Catch Tray Reverse Clutch function.
Does the Reverse Clutch actuate when you start Output
Test 8-51?
Go to step 5 Replace the
Inverter
Clutches
(RRP 7.11)
5
Replace the Duplex PWB (RRP12.5).
Does the E4-5 error code appear?
Refer to the
wiring dia-
grams Section
14, and check
for a broken
wire or loose
connection
between com-
ponents
Problem
solved