Lexmark CS748de User Manual

Diagnostic information 2-45
5026
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Service checks
31.xx—Cartridge errors service check
110.xx—Mirror motor service check
Step Questions / actions Yes No
1 POR the printer.
Did this fix the problem?
Problem resolved. Go to step 2.
2
Replace the toner cartridge.
Did this fix the problem?
Problem resolved. Go to step 3.
3
Reseat the toner cartridges and make sure
they are installed to their correct color slots.
Did this fix the problem?
Problem resolved. Go to step 4.
4
1. Check the contacts on the toner cartridge
chip for damage and contamination.
2. Clean the contacts.
Are the chip contacts damaged?
Replace toner cartridge. Go to step 5.
5
1. Check the cartridge contact and bell crank
on the printer.
2. Press each of the contacts to check the
spring force.
3. Check the bell crank for any damage.
Are the bell crank and cartridge contacts
damaged?
Replace the cartridge
contact with bell crank.
Note: Only replace the
parts that are damaged.
Go to step 6.
6
1. Check JSB1 on the system board for
proper connection.
2. Check for damage and pinch points on the
connector.
3. Reseat cable.
Is the cable connector free of damaged?
Replace the cartridge
contact with bell crank.
Note: Only replace the
parts that are damaged.
Go to step 7.
7
Check the whole length of the cable going to
the cartridge contact. Check for any damage
and pinch points.
Are the cables damaged?
Replace the cartridge
contact with bell crank.
Note: Only replace the
parts that are damaged.
Go to step 8.
8
Replace the system board. See “System
board removal” on page 4-163.
Did this fix the problem?
Problem resolved. Replace the cartridge
contact with bell crank.
Note: Only replace the
parts that are damaged.
Step Questions / actions Yes No
1 View the Event Log:
1. Turn off the printer, press and hold
buttons 3 and 6, then turn on the printer.
2. Select EVENT LOG.
3. Select Display Log.
Has an 110.xx error occurred three times or
more?
Replace the printhead. See
“Printhead removal,
installation, and
adjustment” on
page 4-153.
Go to step 2.

Lexmark CS748de Specifications

General

Brand	Lexmark
Model	CS748de
Category	Printer
Language	English