Xx, 947.Xx-Transfer Roll Error Service Check - Lexmark X746de Service Manual

945.xx, 947.xx—Transfer roll error service check
Step Questions / actions
1. Replace the transfer module. See
1
"Transfer module removal" on
page 4-180.
2. POR the printer.
Note: Print 5 pages, one at a time to check
operation.
Did the error clear?
1. Turn the printer off.
2
2. Remove the rear frame cover. See
frame cover removal" on page
3. Check the cable in connector JHVPS1 for
proper connection to the system board,
the cable for pinch points, and the cable or
connector for any other damage.
Is the cable damaged?
Disconnect JHVPS1 from system board and
3
HVPS. Check for the following continuity.
Pin 24
Pin 2
JHVPS1 cable to:
HVPS
Pin 19
Pin 20
Pin 15
Pin 16
Pin 17
Pin 18
Pin 23
Pin 24
Is continuity present?
"Rear
4-37.
Pin 1
Pin 23
Pin 2
Pin 1
Error code
System board
Pin 19 945.01, 946.01, 947.01
Pin 20
Pin 15 945.02, 946.02, 947.02
Pin 16
Pin 17 945.03, 946.03, 947.03
Pin 18
Pin 23 945.04, 946.04, 947.04
Pin 24
Yes
Problem resolved.
Replace the HVPS cable.
See
"High-voltage power
supply (HVPS) cable
removal" on page 4-112.
Go to step 4.
Pin 23
Pin 24
7526
No
Replace the original
transfer module.
Go to step 2.
Go to step 3.
Replace the HVPS cable.
See
"High-voltage power
supply (HVPS) cable
removal" on page 4-112.
Diagnostic information
2-133
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