Lexmark C925 Product Study Manual page 27

Lexmark C925/X925 Color Product Study Guide
Registration Unit
As the media trips the Registration Sensor, it briefly stops at the two Registration Rolls. Here, the leading
edge is adjusted so it is parallel with the image on the Transfer Belt and synchronized with the Belt's
rotation. Next, the paper feed motor triggers the Registration Clutch to rotate the Registration Roll OUT
to feed the paper toward the Transfer Belt and 2
MPF Registration Roll IN
Transfer Belt
The media passes between the Transfer Belt surface and 2
to the page and continues upward toward the Fuser Rollers.
The transfer belt rotates during calibration to automatically adjust the density and printer
alignment. The density sensor is positioned facing the left side of the belt where the belt drive
roller is located. This sensor reads small patches of toner that are laid down on the belt during
calibration.
The printer automatically adjusts the printer alignment and skew during calibration.
adjustment of the alignment is needed.
Take care not to get fingerprints or other stains on the belt as this can cause print quality
problems. If you do, wipe them away with a soft dry cloth.
For Training Purposes Only
nd
Transfer Roller.
Transfer Belt
Registration roll OUT
Registration Sensor Actuator
Paper
19
nd
Transfer Roller. Here, the image transfers
Rev 2.3
No manual
6/21/2011