Lexmark C792 series User Manual

Diagnostic aids 3-37
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Step 4a: First transfer
When the latent images are developed on each Photoconductor, the HVPS sends voltage to the 1st Transfer
Rollers inside the ITU.
The charge difference between the developed toner image on the Photoconductor surface and the 1st Transfer
Roller causes the images to transfer to the surface of the ITU belt for each color. This takes place by a direct
surface-to-surface contact between the Photoconductors and the ITU transfer belt.
Service tips
• Never touch the surface of the ITU belt with your bare hand. The oil from your skin will cause a
charge differential on the surface, and toner will not stick properly. The result would be repeating
blotches of voids/light print on a page. Then the ITU belt will have to be replaced.
• Do not use solvents or other cleaners to clean the ITU belt surface. No matter how careful you are,
the surface will be compromised, causing scratches or a charge differential that will produce voids or
light blotches on the printed page. Then the ITU belt will need to be replaced.

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