Primary Charging Roller Cleaning Mechanism - Canon GP200 Service Manual
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- Installation instructions (4 pages) ,
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- Service manual (458 pages)
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H. Primary Charging Roller Cleaning Mechanism
1. Outline
The GP215/GP200 is equipped with a mechanism which automatically cleans the primary charging
roller.
The primary charging roller cleaning solenoid (SL1) is turned ON while the primary charging roller is
rotating to butt the cleaning pad against the primary charging roller while, at the same time, the primary
charging roller is moved back and forth in the axial direction of the primary charging roller.
This cleaning is executed under the following conditions:
• During last rotation after the end of copying operation when making 50 or more copies continuous-
ly.
• During last rotation when the cumulative number of copies reaches 500 or more when making 50
copies or less.
• When 'adjustment/cleaning' is executed in user mode to clean the roller (in this case, a cleaning bias
is applied to the transfer charging roller and the roller is cleaned at the same time).
Back-and-forth
movement
COPYRIGHT © 1996 CANON INC.
Download service manual and resetter printer at http://printer1.blogspot.com
Cleaning pad
Figure 3-512
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. OPERATIONS AND TIMING
SL1 (ON)
Primary charging roller
Photosensitive drum
3–73
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