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Step
Action and Questions
1
Check to make sure that the ITU Light Shield is not out of
position.
Is the ITU Light Shield out of position?
2
Check to make sure that the ITU Light Shield is not out of
position.
Is the ITU Light Shield out of position?
3
Check the ITU assembly interlock switch actuator to make
sure it is not damaged or broken and actuates the switches
correctly.
Is the actuator damaged or broken?
4
Front Cover Assembly
Does the front cover close correctly?
5
Front Cover Assembly
Check to make sure the front cover flag is not broken or
damaged and actuates the switches correctly.
Is the flag broken or damaged?
6
Printhead/Cover Open Interlock Cable assembly
Check to make sure that the Cable is correctly connected to
J12 on the RIP board.
Is the cable connected correctly?
7
Make sure the Front Cover is closed and the ITU is correctly
installed. Disconnect J12 from the RIP Board and check for
continuity between Pins J12-1 and J12-3.
Do you measure continuity?
POR complete, printer feeds blank page
This symptom is usually associated with the Upper switch mounted on the Front Access
Door Support and with the right switch mounted in the ITU Light Shield.
Step
Action and Questions
1
Check to make sure that the ITU Light Shield is not broken.
Is the ITU Light Shield broken?
2
Check to make sure that the ITU Light Shield is not out of
position.
Is the ITU Light Shield out of position?
2-108
Service Manual
5060-XXX
Yes
Properly align
the ITU Light
Shield
Go to step 3
Replace the
"ITU
Assembly" on
page 4-40
Go to step 5
Replace the
"Front Cover
Assembly" on
page 4-21
Go to step 7
Replace the
"RIP Board"
on page 4-10
Yes
Replace the
ITU Light
Shield
Properly align
ITU Light
Shield
No
Go to step 2
Properly align
the ITU Light
Shield
Go to step 4
Install the
front cover
correctly or
repair as
necessary
Go to step 6
Install the
cable correctly
Replace the
Printhead
Interlock
Cable/Switch
Assembly
No
Go to step 2
Go to step 3
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