3-102
Phaser 7300 Color Printer Service Manual
7
Replace the Color Registration Sensor.
Did this fix the problem?
Complete
Go to step [9].
8
Replace the Engine Controller Board
EEPROM.
Did this fix the problem?
Complete.
Replace the
Engine
Controller
Board.
9
Scan Direction
:
Use the Supplies Page to identify the problem
color.
Remove the Imaging Unit of the suspect color.
Inspect the grounding shaft. See "Imaging Unit
Cleaning" on page 8-225
Has the shaft shifted?
Replace the
Imaging Unit.
Go to step [10].
10
Visually inspect the Imaging Unit guides, on the
Printer Unit Chassis, for debris or damage.
Are the guides damaged or obstructed?
Clean the guides
on the Printer
Unit Chassis or
Replace the
damaged
assembly.
Go to step [11].
11
Check the Color Registration Sensor for dirt or
debris.
Be sure to check in and around the registration
shutter.
Clean the
sensor.
Go to step [12].
12
Verify the Color Registration Shutter opens and
closes by actuating the registration shutter
solenoid from service diagnostics.
Is the shutter and solenoid functioning
correctly?
Go to step [13].
Replace the
solenoid and
wiring harness.
13
Are the LED Head ribbon cables undamaged,
properly routed and seated?
Go to step [14].
Reseat,
correctly route
or replace the
wiring harness.
14
Swap the LED Head of the problem color with
any other LED Head.
Print a Supplies Page.
Has the problem moved with the LED Head?
Replace the
defective LED
Head.
Go to step [15].
15
Replace the suspect LED Head assembly.
Did this correct the problem?
Complete
Go to step [16].
16
Replace the Color Registration Sensor.
Did this correct the problem?
Complete
Go to step [17].
17
Replace the Engine Controller Board
EEPROM.
Did this fix the problem?
Complete
Replace the
Engine
Controller
Board.
Troubleshooting Procedure (cont'd.)
Step
Check
Yes
No
Содержание Phaser 7300B
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