Printhead Shutter - Lexmark X940e Service Manual

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(C start of scan)

(K start of scan)

Printhead shutter

The printhead shutter tightly covers the slit glass through which laser beams from the printhead pass to write the

four drums. To prevent the seal glass from becoming dirty, the shutter stays closed except when laser beams

are written onto the drums.

The printhead shutter motor assembly is used to prevent contamination from obstructing the printhead slit

glasses. The printhead shutters for yellow, magenta, cyan and black are opened or closed simultaneously by the

printhead shutter motor assembly.

C Laser Path

Polygon Mirror

K Laser Path

Polygon Mirror

General information