Xerox 7750DXF - Phaser Color Laser Printer User Manual

Error Messages and Codes 3-23
6
1. Measure the voltage between the
engine control interface board and
J533A-9 and frame ground.
2. Does the voltage measure +5 VDC?
Go to step 7. Replace in the
following order:
■ engine control
interface board
■ engine control
board
7
1. Measure the voltage between the
engine control interface board and
J533A-10 and frame ground.
2. Does the voltage measure +5 VDC?
Replace in the
following order:
■ engine control
interface board
■ engine control
board
The edge sensor
is defective,
replace the
accumulator belt
assembly.
8
1. Remove the accumulator belt
assembly.
2. Enter service diagnostics and run the
Steering Motor test.
3. Does the motor turn?
Replace the
accumulator belt
assembly.
If the problem is
unresolved
replace the engine
control board.
Go to step 9.
9
1. Measure the voltage between the
engine control interface board J550-5
and frame ground.
2. Is the voltage +24 VDC?
Go to step 10. Replace in the
following order:
■ engine control
interface board
■ engine control
board
10
1. Measure the voltage between the
engine control interface board J550
Pins 1, 2, 3, 4 and frame ground.
2. Is the voltage +24 VDC?
Replace in the
following order:
■ engine control
interface board
■ engine control
board
Replace the
steering drive
assembly.
Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No

Xerox 7750DXF - Phaser Color Laser Printer Specifications

General

Brand	Xerox
Model	7750DXF - Phaser Color Laser Printer
Category	Printer
Language	English