Lexmark C540 - Main Drive Gear Assembly (EP Drive) Service Check

Diagnostic information 2-35
5025-2xx, 4xx
Main drive gear assembly (EP drive) service check
Step Questions / actions Yes No
1 Turn the printer off, and remove the rear
shield. See “Rear shield removal” on
page 4-11. Check the cable at JCARTB1 for
proper connection to the controller board, the
cable for pinch points, and the cable or
connector for any other damage.
Is the cable damaged?
Replace the JCARTB1
cable.
Go to step 2.
2
Verify the following values at JCARTB1 on the
controller board.
Are the values approximately correct?
Go to step 3. Replace the controller
board. See “Controller
board removal” on
page 4-19.
3
Replace the main drive assembly. See “Main
drive gear assembly removal” on
page 4-45.
Does the error clear?
Problem resolved. Replace the controller
board. See “Controller
board removal” on
page 4-19.
JCARTB1
Pin Value
4 +24 V dc
6 +24 V dc
8 +24 V dc
9 Ground
12 Ground
13 +24 V dc
15 +24 V dc
17 +24 V dc