Lexmark Optra Color 40, Service Manual

Page: 49 / 95

Repair Information
4-7
4092-010
Encoder Strip Removal
1. Remove the front cover.
2. Remove the printhead carrier assembly.
3. Gently release the tension on the encoder strip by flexing the
encoder strip tensioner and remove the encoder strip.
Note: When reinstalling the encoder strip, make sure the ends of
the strip are centered in their mounting notches and the strip does
not bind in the encoder card on the carrier.
Engine Board Removal
1. Remove the front cover.
2. Remove the rear cover.
3. Unlock the three printhead cable connectors and disconnect the
printhead cables from the engine board.
4. Disconnect the other cables from the engine board.
5. Gently release the tension on the encoder strip by flexing the
encoder strip tensioner and remove the encoder strip from the
left side only.
6. Remove the three screws securing the engine board to the
carrier frame and remove the engine board. Note the routing of
the paper feed motor cable. Pull the EOF flag out of the sensor
while removing the engine board.
Note: When replacing the engine board, the head to head and
bidirectional printing alignments will be reset to factory defaults. The
user, through the MarkVision cartridge utility, is directed to perform
these alignments. When reinstalling the engine board, it is easier to
insert the printhead cables in the three connectors prior to installing
the board.