Name: Xerox Phaser 6500
Brand: Xerox
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5-12 Xerox Internal Use Only Phaser 6500/WorkCentre 6505 Service Manual

Print-Quality Troubleshooting

13 Check the connectors between the

MCU Board and Toner Motor (Y/M/

C/K) (Dispenser Motor Assy).

Are P/J18, P/J19, P/J181, P/J182, P/

J191 and P/J192 connected

correctly?

Go to step 15. Securely

reconnect the

connectors,

then go to step

14.

14 Is the image printed correctly? Complete Go to step 15.

15 Check the Toner Motor Harness for

continuity:

1. Disconnect J18 and J19 from the

MCU Board.

2. Disconnect J181, J182, J191 and

J192 from the Toner Motors.

Is each cable of J18 <=> J181 and

J182 continuous?

Is each cable of J19 <=> J191 and

J192 continuous?

Go to step 16. Replace the

Dispense Assy

(page 8-98).

16 Check for power to Toner Motors (Y/

M/C/K):

1. Disconnect J18 and J19 from the

MCU Board.

2. Measure the voltage across P18-3,

P18-8, P19-4 and P19-9 <= >

ground on the MCU Board.

Is the voltage about +24 VDC when

the Interlock Switch is closed?

Replace the

Dispense Assy

(page 8-98).

Replace the

MCU Board

(page 8-138).

17 Check the connections between the

Laser Unit and MCU Board.

Are P/J40, P/J 41, P/J411 and P/J

412 connected correctly?

Go to step 19. Reconnect the

connector(s) P/

J40, P/J41, P/

J411 and/or P/

J412 securely,

then go to step

18.

18 Is the image printed correctly? Complete Go to step 19.

19 Reseat all MCU Board connectors.