Lexmark C752 Service Manual page 160

5060-2XX
No indication that bin x is full or no indication that bin x is near full.
Step Actions and questions
1 Sensor cable installation - Check for correct installation
of the sensor cable at J5 on the control board.
Is the cable installed 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?
3 Voltage - Check the voltages at J5-3 and J5-4. The
voltages should measure approximately +5 V dc.
Are the voltages correct?
Problems with excessive static electricity buildup.
Step Action and Questions
1 Excessive static electricity buildup. Front cover
assembly - check the front cover assembly 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?
2-126
Service Manual
Yes No
Go to step 2 Install the cable
correctly
Go to step 3 Call your next
level support
Replace the Replace the
sensor control board
Yes No
Make sure the 1. Attach the
brush is ground cable
contacting the if not installed
media being fed
2. Replace the
through the
cover
option
assembly if
the ESD
brush is loose
or damaged