Lexmark C78x User Manual

2-94 Service Manual
5061
No indication that bin x is full or no indication that bin x is near full.
Problems with excessive static electricity buildup.
Step Actions and questions Yes No
1 Sensor cable installation—Check for correct
installation of the sensor cable at J5 on the control
board.
Is the cable installed correctly?
Go to step 2 Install the cable
correctly.
2
Dual output bin x sensor assembly
Do either the bin x full or the bin x near full sensor fail
the sensor test?
Go to step 3 Contact your next
level of support.
3
Voltage—Check the voltages at J5-3 and J5-4. The
voltages should measure approximately +5 V dc.
Are the voltages correct?
Replace the
sensor.
Replace the
control board.
Step Actions and questions Yes No
1 Excessive static electricity buildup—Check the front
cover to make sure the ESD brush ground lead is firmly
attached to the Output Expander frame or the ESD
brush is not loose or damaged.
Is the ESD brush ground cable correctly installed, and
is the ESD brush loose or broken?
Make sure the
brush is
contacting the
media being fed
through the
option.
1. Attach the
ground cable
if not
installed.
2. Replace the
cover
assembly if
the ESD
brush is loose
or damaged.

Lexmark C78x Specifications

General

Brand	Lexmark
Model	C78x
Category	Printer
Language	English