Epson AcuLaser C9200N Service Manual page 62

EPSON AcuLaser C9200N
2ND TRANSFER ROLLER CLEANING
In order to remove the remaining toner on the 2nd Transfer Roller, DC
charge is applied to transfer the remaining toner on the 2nd Transfer Roller
to the Transfer Belt.
The Cleaning Blade then scrapes off the toner on the surface of the
Transfer Belt.
Transfer Belt
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Cleaning Blade
Figure 2-41. 2nd Transfer Roller cleaning
Operation timing
When the image stabilization control is performed.
When the printer is recovered from the JAM error.
OPERATING PRINCIPLES
2nd Transfer Roller
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HV1
4038T2C161AA
Operating Principle of Main Unit Mechanism
CHARGE NEUTRALIZATION AND SEPARATION OF PAPER
In order to remove the residual potential on the paper with the 2nd Image
transferred, the neutralization material is applied to the guide plate without
contact after the 2nd Transfer Roller.
In order to separate the paper from the Transfer Belt without fail after the
2nd Image Transfer, a Transfer Belt Separation Claw is mounted (one point.)
Separation Claw
Transfer Belt
Figure 2-42. Charge Neutralization and Separation of Paper
DETECTION OF NEW TRANSFER BELT UNIT
When Transfer Belt Unit is replaced with new one, the new unit detection
is made by engine side and Life counter value is reset automatically.
The new unit detection is made when the Power Switch is turned ON and
the Right Door is opened and closed.
Power OFF/ON, Right door Open/
Close
Check Transfer Belt Unit being
mounted
Check detection of the new unit
(24V energizing)
Figure 2-43. Timing for New Unit Detection/Operation
Revision D
Charge Neutralizing Cloth
2nd Transfer Roller
4038T2C173AA
Transfer Auto Transfer Voltage
Control Adjustment
Image Stabilization
Perform the initial operation for
Transfer Belt
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