Lexmark C746n User Manual

2-116 Service Manual
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945.xx, 947.xx—Transfer roll error service check
Step Questions / actions Yes No
1 1. Replace the transfer module. See
“Transfer module removal” on
page 4-171.
2. POR the printer.
Note: Print 5 pages one at a time to check
operation.
Did the error clear?
Problem resolved. Replace the original
transfer module. Go to step
2.
2
Turn the printer off, and then remove the rear
frame cover. See “Rear frame cover
removal” on page 4-47.
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?
Replace the HVPS cable.
See “High-voltage power
supply (HVPS) cable
removal” on page 4-117.
Go to step 2.
3
Disconnect JHVPS1 from system board and
HVPS. Check for the following continuity.
Go to step 3. Replace the HVPS cable.
See “High-voltage power
supply (HVPS) cable
removal” on page 4-117.
Is continuity present?
Pin 24
Pin 23
Pin 1Pin 2
Pin 2
Pin 1
Pin 23
Pin 24
JHVPS1 cable to: Error code
HVPS System board
Pin 19 Pin 19 945.01, 946.01, 947.01
Pin 20 Pin 20
Pin 15 Pin 15 945.02, 946.02, 947.02
Pin 16 Pin 16
Pin 17 Pin 17 945.03, 946.03, 947.03
Pin 18 Pin 18
Pin 23 Pin 23 945.04, 946.04, 947.04
Pin 24 Pin 24

Lexmark C746n Specifications

General

Brand	Lexmark
Model	C746n
Category	Printer
Language	English