Lexmark C78x User Manual

2-16 Service Manual
5061
8
Check to see if the ITU drive roll gear (A) is turning
during POR. Observe the gear by opening the MFP
door to its horizontal position. Observe the gear on the
left end of the ITU drive roll. The ITU drive roll gear
should turn for a few seconds slowly and smoothly
before the printer posts a 100.01 ITU error.
Does the Gear turn?
Go to step 10 Go to step 9
9
Check to see if the ITU drive motor is turning during
POR. Observe the ITU motor during POR by removing
the rear cover.
Is the ITU drive motor turning?
Replace the ITU
drive assembly.
see “ITU drive
assembly
removal” on
page 4-52.
Go to step 10
10
Check to see if the printer is setting on a solid, flat
surface.
Is the printer setting on a solid, flat surface?
Go to step 11 Place the printer
on a solid, flat
surface.
11
Make sure the ITU drive motor assembly cable is
correctly installed to the ITU drive motor and at
connector location J16 on the system board.
Is the cable correctly installed?
Go to step 12 Install the cable
correctly.
12
Make sure the ITU autoconnect cable is installed
correctly at connector location J7 on the system board.
Is the cable correctly installed?
Go to step 13 Install the
connector/cable
correctly.
13
Make sure the ITU autoconnect connector in the printer
is seated correctly in the connector plate.
Is the connector seated correctly?
Replace the
following FRUs in
the following
order:
1. ITU
assembly.
See “ITU
assembly
removal” on
page 4-49.
2. System
board. See
“System
board
removal” on
page 4-90.
Replace the ITU
autoconnect
cable.
Step Actions and questions Yes No

Lexmark C78x Specifications

General

Brand	Lexmark
Model	C78x
Category	Printer
Language	English