5016-001

All Blank Page Service Check

 

FRU

Action

 

 

 

1

Intermediate

An ITM unit may cause an all blank copy. Try a

 

Transfer Unit

new ITM if available.

 

(ITM)

 

 

 

 

 

2

Transfer Roller

Note: The transfer roll is spring loaded against

 

 

the inner cover so that it properly contacts the

 

 

transfer belt in the ITM unit.

 

 

Check the transfer roll for correct installation. Be

 

 

sure the transfer roll rotates freely. Check the

 

 

left and right side transfer roll springs and

 

 

bushings for any signs of binding or damage.

 

 

Replace any parts as necessary.

 

 

 

3

High Voltage

Check the high voltage contacts in grid blocks 1

 

Contacts

and 2 to ensure they are clean, not bent,

 

Grid Block 1

deformed or pitted. If incorrect, replace the

 

Grid Block 2

failing grid block assembly.

 

HVPS

Be sure the HVPS is correctly and securely

 

 

mounted to the HVPS mounting bracket and

 

 

grid block assemblies. If correct, remove the

 

 

HVPS and be sure the high voltage contacts

 

 

align with the contacts on the HVPS. Also look

 

 

for signs of pitting or damage.

 

 

 

4

Engine Board

Check the cable for proper installation and

 

Printhead Cable

continuity.

 

Engine Board

If the continuity is incorrect, replace the cable.

 

 

If correct, replace the engine board.

 

 

 

5

Printhead

The printhead may be the cause, but should

 

 

only be replaced after a new toner cartridge(s)

 

 

or ITM has been replaced.

 

 

 

 

Diagnostic Information 2-81

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Lexmark 5016-001 manual All Blank Page Service Check, Itm