Service manual

3-
32 QMS 3260/4032 Laser Printer - Base Engine Technical Manual
Release Version 11-97
Primary FIPS: Error Codes
3.25 Error Code E5-1
The Left Cover is open.
The Left Cover is closed, but Logic Control on the MCU PWB sensed the Left Cover Interlock Switch indi-
cates the Cover is open.
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
LEFT COVER CHECK
Open and close the Left Cover.
The E5-1 is cleared?
Tighten the
Switch
Bracket screw
(RRP 9.5)
Go to step 2
2
LEFT COVER INTERLOCK SWITCH INSPECTION
1. Remove the Rear Cover (RRP 1.3).
2. Inspect the Left Cover Interlock Switch for damage, such
as a broken or missing spring or a broken switch button.
Is the switch undamaged?
Go to step 3 Replace the
Left Cover
Interlock
Switch (RRP
9.6)
3
LEFT UPPER COVER INTERLOCK ACTUATOR INSPEC-
TION
Open and close the Left Upper Cover while observing the
action of the Left Upper Cover Actuator against the Interlock
Switch Spring.
Is the Left Cover Interlock Actuator pressing against the
Interlock Switch Spring?
Go to step 4 Replace the
Left Upper
Cover (RRP
4.2)
4
LEFT COVER INTERLOCK SWITCH TEST
1. Enter Diagnostic Mode - Input n+1 Test 13-1.
2. Actuate and deactuate the Left Cover Interlock Switch.
Does the LCD increment the display number by 1 each
time you actuate and deactuate the Left Cover Interlock
Switch?
Go to step 5 Replace the
Left Cover
Interlock
Switch (RRP
9.6)
5
Replace the MCU PWB (RRP 9.7).
Does the E5-1 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