Ricoh Pro C9200 Руководство по эксплуатации - Страница 15
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• Belt-to-paper transfer: Trailing edge correction
• Belt-to-paper transfer: Length of area to apply correction at leading edge of paper
• Belt-to-paper transfer: Length of area to apply correction at trailing edge of paper
• Current vs. Voltage
• Bias is applied using 'constant current' for drum-to-belt and belt-to-paper transfer, as this
method is resilient to changes in operational environment and thickness of the media.
• On the other hand, 'constant voltage' is used for AC bias and as this method does not require
adjustments according to paper width.
Related Advanced Settings
page 29 "Belt-to-paper transfer correction: LE/TE"
PTR Rotation Speed
The PTR [1] has the function to deliver the paper from the paper transfer timing roller.
Since the paper transport speed is controlled by the PTR, if the PTR rotation speed is slower than the
target the image will shrink, if faster than the target the image will stretch.
A problem such as side-to-side image magnification misalignment and mottling on black half-tone parts
may occur in the printed image because of the speed difference relative to the image transfer belt. To
solve this problem, it is necessary to adjust the PTR rotation speed.
Since the paper is simultaneously gripped by the PTR and the paper transfer timing roller, uneven density
and banding problems may occur, if the speed differs between these rollers. To prevent this problem,
you can adjust the PTR rotation speed.
Related Advanced Settings
page 42 "Paper transfer roller speed"
page 42 "Transfer timing roller feed speed"
1
DZH304
Belt-to-Paper Transfer
13