Envelope Feeder Option Service Check - Lexmark C752 Service Manual

5060-2XX
Step Action and questions
7 Check the voltages on the bottom options cable
connector. The voltages are with the printer in standby
mode.
Note: All voltages are approximate values.
Connector pin Voltage
J37-1
J37-2
J37-3
J37-4
J37-5
J37-7
J37-8
Are the voltages correct?
8 Make sure the upper options cable in the duplex option
is installed correctly in the duplex frame.
Is the cable installed correctly?
9 Make sure the upper options cable in the duplex option
is connected correctly to J11 on the duplex options
board.
Is the cable connected correctly?
10 Check continuity of the upper duplex options cable.
Is there continuity?
Top margin on duplexed copy set incorrectly
Go to "Duplex Quick Test" on page 3-24

Envelope feeder option service check

Note: Except for the tray and pick tires, the envelope feeder option is a complete assembly with no other
internal parts that can be replaced.
If a 24x paper jam (x=envelope feeder) is displayed, go to
The printer does not recognize that the envelope feeder option is installed
Step Action and questions
1 Is the envelope feeder option the only option that is not
recognized?
2 Are the other options that are not recognized installed
below the envelope feeder?
3 Make sure the printer and any option installed above
the envelope feeder option is installed correctly.
Is the option installed above the envelope feeder
installed correctly?
2-112
Service Manual
+5 V dc
Ground
Ground
+5 V dc
+24 V dc
+5 V dc
+5 V dc
to adjust the top margin on the back of the duplexed page.
Yes
Go to step 8
Go to step 9
Go to step 10
Replace the
duplex options
board
"Envelope feeder" on page
Yes
Go to step 2
Replace the
envelope feeder
option
Go to step 4
No
Replace the
bottom options
cable in the
printer
Correctly install
the cable. If the
connector is
damaged,
replace the cable
assembly.
Install the cable
correctly
Install the cable
correctly
2-76.
No
Go to step 6
Go to step 3
Install the printer
or options
correctly and
recheck
performance