Service manual

QMS 3260/4032 Laser Printer - Base Engine Technical Manual 3-31
Services Release Version 11-97
Primary FIPS: Error Codes
3.24 Error Code E4-6
There is a paper jam at the Face Up Exit Sensor.
Logic Control on the MCU PWB sensed the Face Up Exit Sensor was on while the printer was in standby.
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The followin
g
components are associated with this specific
problem. One or more of these components ma
y
have failed
partiall
y
or completel
y
. If
y
ou cannot isolate the problem usin
g
this FIP, replace each component listed below, one at a time,
until the problem disappears.
•
wiring and connectors linking the components
1
FACE UP EXIT SENSOR INSPECTION
1. Remove the Fuser Full Cover
(
RRP 1.1
)
.
2. Inspect the Face Up Exit Sensor for paper scraps that ma
y
be actuatin
g
the sensor.
Is the Face Up Exit Sensor actuator free of paper scraps?
Go to step 2 Clear paper
from the Sen-
sor
2
FACE UP EXIT SENSOR INSPECTION
Inspect the Face Up Exit Sensor for dama
g
e.
Is the sensor undamaged?
Go to step 3 Replace the
Face Up Exit
Sensor
(
RRP
7.5
)
3
FACE UP EXIT SENSOR TEST
1. Enter Dia
g
nostic Mode - Input H/L 10-24.
2. Insert, then remove, a sheet of paper into the Face Up Exit
Sensor.
Does the Control Panel LCD display L when you insert the
paper into the Face Up Exit Sensor, and does the LCD dis-
play H when you remove the paper?
Go to step 4 Replace the
Face Up Exit
Sensor
(
RRP
7.5
)
4
Replace the MCU PWB (RRP 9.7).
Does the E4-6 error code appear?
Refer to the
wirin
g
dia-
g
rams Section
14 and check
for a broken
wire or loose
connection
between com-
ponents
Problem
solved