Lexmark C792 series User Manual

Diagnostic aids 3-31
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Theory of operation
Paper path, transport components
In order for an image to be printed, the paper or specialty media has to be moved from an input source (such as
a tray) into the printer and eventually exit into an output source.
The most important component in this process is this paper itself. Old, damaged, or out-of-specification paper
can and will cause feed and transport problems. If you encounter problems, you should always check the paper
first “Media guidelines” on page 1-9. In addition, it is always good practice to check the printer and driver
settings to see if the paper being used matches the user’s settings. It is not uncommon to find a user printing on
cardstock with the printer programmed to print on a plain paper setting.
The printer’s feed and transport components can fail and cause paper jams or other feed and transport
problems. These components should be examined for damage or wear and replaced if necessary.
Paper path Information
The printer has a simple “C”-shaped paper path (see the picture below). The paper paths are shown in red while
the paper paths for duplex are shown in blue. Paper is fed from the bottom of the printer from the paper tray, or
multipurpose feeder, and travels upward along the left side of the printer.
There is a duplex unit on this printer. The duplex unit is attached to the inside of the left access door. Duplexing
is described later.

Lexmark C792 series Specifications

General

Print Technology	Color Laser
Print Speed (Letter, Black)	50 ppm
Print Speed (Letter, Color)	50 ppm
Processor Speed	1.2 GHz
Monthly Duty Cycle	150, 000 pages
Maximum Paper Size	8.5 x 14 inches (Legal)
Operating System Compatibility	Windows, Mac OS, Linux
Print Resolution	1200 x 1200 dpi
Duplex Printing	Standard
Connectivity	USB, Ethernet
Media Sizes Supported	A4, A5, Letter, Legal, Executive, Folio, JIS B5
Media Types Supported	Card Stock, Envelopes, Labels, Plain Paper, Transparencies
Input Capacity (Standard)	650 sheets
Output Capacity (Standard)	500 sheets