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5061
POR complete, printer feeds blank page
This symptom is usually associated with the upper switch mounted on the front access door support.
Step
Actions and questions
1
Make sure that the ITU light shield is not broken.
Is the ITU light shield broken?
2
Make sure that the ITU light shield is not out of
position.
Is the ITU light shield out of position?
3
Make sure the ITU assembly interlock switch actuator
is not damaged or broken and actuates the switch
correctly.
Is the actuator damaged or broken?
4
Front cover assembly
Does the front cover assembly close correctly?
5
Front cover assembly
Make sure the front cover flag is not broken or
damaged and actuates the switches correctly.
Is the flag broken or damaged?
6
HVPS/cover open interlock cable assembly to system
board—Make sure that the cable is correctly
connected to J14 on the system board and the ITU
autoconnect is seated correctly.
Is the cable connected correctly?
7
HVPS/cover open interlock cable assembly—Make
sure the front cover assembly is closed and the ITU is
correctly installed. Disconnect the switch cable from
J14 on the system board. Check for continuity between
J14-1 and J14-2 on the cable connector.
Is there continuity?
2-80
Service Manual
Yes
No
Replace the ITU
Go to step 2
light shield.
Properly align
Go to step 3
ITU light shield.
Replace the ITU
Go to step 4
assembly. See
"ITU assembly
removal" on
page
4-49.
Go to step 5
Install the front
cover correctly,
or repair as
necessary.
Replace the front
Go to step 6
cover. See
"Front cover or
front cover
backplate
assembly
removal" on
page
4-11.
Go to step 7
Install the cable
correctly.
Replace the
Replace the
system board.
HVPS/cover
See
"System
open interlock
board removal"
switch/cable
on page
4-89.
assembly (see
"Printhead
interlock cable
assembly" on
page 7-37
part number.)
for
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