Main Drive Gear Assembly (Ep Drive) Service Check - Lexmark X543 Service Manual

7525-xxx

Main drive gear assembly (EP drive) service check

Step Questions / actions
Turn the printer off, and remove the rear
1
shield. See
"Rear shield removal" on
4-7. Check the cable at JCARTB1 for
page
proper connection to the controller board, the
cable for pinch points, and the cable or
connector for any other damage.
Is the cable damaged?
Disconnect the cable at JCARTB1 on the
2
controller board, and verify the following
values.
Pin
4
6
8
9
12
13
15
17
Are the voltages correct?
Replace the main drive assembly. See
3
drive gear assembly with motor removal"
on page 4-58.
Does the error clear?
Service Manual
2-44
JCARTB1
Voltage
+24 V dc
+24 V dc
+24 V dc
Ground
Ground
+24 V dc
+24 V dc
+24 V dc
"Main
Yes
Replace the JCARTB1
cable.
Go to step 3.
Problem resolved.
No
Go to step 2.
Replace the controller
board. See
"Controller
board removal" on
page 4-18.
Replace the controller
board. See
"Controller
board removal" on
page 4-18.
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