Lexmark X500N, Service Manual

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Diagnostic aids
3-21
Lexmark confidential until announce edited 1/4/2007 7100-XXX
Transport Components
In summary, as shown in the previous illustration, the media is fed from the paper tray into the printer by a
feed roller which carries the media to the registration rollers. The media trips the registration sensor. At this
point, the media pauses so the registration rollers can properly time the media entry to the EP process. The
registration rollers help ensure that the image is properly spaced and aligned on the media.
The registration rollers push the media to the transfer roller where the image is transferred to the page.
The transfer roller moves the media to the fuser. The fuser applies heat and pressure to the page. The heat
and pressure permanently bond the image to the media. The fuser rollers push the media toward the exit
bin and past the fuser exit sensor. The exit rollers guide the paper into the output bin.