Troubleshooting Procedure Table (Continued)
Steps
Actions and Questions
Use service diagnostics to test the Toner
2
Low Sensor. If the test fails check the
sensor connector, if the connector is ok
replace the Toner Low Sensor for the
problem color.
Does the error recur?
Use service diagnostics to test the Toner
3
Motor.
Caution: Run this test for ONLY 5
seconds to avoid packing the toner.
Does the Toner Motor function correctly?
Replace the Toner Motor.
4
Does this fix the problem?
Verify the auger tube of the problem color
5
is full of toner near the hopper end.
Verify that the voltage between P/J 51-21
6
<=> P/J 60-2 on the Motor Driver Board is
24 VDC
Troubleshoot using the wiring diagrams:
7
See "Developer Section 1" on
page 10-19. and See "Drive Section" on
page 10-18.
Replace any defective parts.
Does the error still appear?
3-46
Phaser 6250 Color Laser Printer Service Manual
Yes
Go to Step 3.
Check the toner
stirring auger or
gear for damage.
Complete
Go to Step 6.
Go to Step 7.
Replace the
Engine Control
Board,
page 8-107.
No
Complete
Go to Step 4.
Go to Step 5.
Inspect the toner
cartridge for
dispense
problems.
Replace the Motor
Driver Board,
page 8-101
Complete