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Lexmark C78x User Manual

Lexmark C78x
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2-40 Service Manual
5061
4
See if the paper is trying to feed from the tray.
Note: You can observe the autocompensator feed rolls
and the paper through the tray access door.
Run the Tray x feed test from the Diagnostics menu to
help diagnose a feed problem. See “Feed Test” on
page 3-20.
Is the media leaving the tray?
Go to step 8 Go to step 5
5
Are both of the autocompensator pick rolls installed
and turning?
Go to step 6 Go to step 9
6
Check the autocompensator pick rolls for wear or
contamination.
Are the autocompensator pick rolls worn or
contaminated?
Replace the pick
arm rolls.
Replace both
rolls at the same
time.
Go to step 7
7
Check the pass thru sensor for correct operation by
running the Tray x sensor test from the Diagnostics
Menu. See “Sensor Test” on page 3-20.
Does the pass thru sensor operate correctly?
Check for any
obstructions that
might catch the
media and create
a paper jam.
Go to step 8
8
Make sure the pass thru sensor is correctly connected
to the Tray x system board.
Is the sensor cable connected correctly?
Replace the
FRUs in the
following order:
1. Pass thru
sensor
assembly.
2. Electronics/
size sensing
assembly
with system
board.
Install the cable
correctly.
9
Check the autocompensator cable for correct
installation to Tray x system board.
Is the cable connected correctly?
Replace the
option or replace
the following
parts in the order
until the error is
cleared:
Autocompen-
sator pick
assembly.
See “Auto-
compensa-
tor pick
assembly
removal” on
page 4-27.
•Tray x system
board.
Install the cable
correctly.
Step Actions and questions Yes No

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Lexmark C78x Specifications

General IconGeneral
BrandLexmark
ModelC78x
CategoryPrinter
LanguageEnglish

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