Sharp AR-6020V Service Manual page 116

5. Paper registration section
A. Mechanism relation diagram
Signal name
MM Main motor
MPWD Paper width detection sensor
PIN P-IN sensor
No.
1 Resist roller (Drive)
2 Resist roller (Idle)
B. Operational description
The resist roller set controls the synchronization of the Image on
the Transfer Belt to the Timing of the paper making its way to the
Primary and Secondary Transfer section. Start stop movement is
controlled by the PS Clutch. Drive for the Registration roller comes
from Main motor.
2
1
Name
Drives the most of the driving parts except the duplex section, the toner section and the
scanner sections.
Detects the width of the paper.
Detects the entrance of the paper in front of the registration roller.
Name
The Resist Roller (Drive) synchronizes the paper timing to the image on the Transfer Belt. A
buckle is created to eliminate any skew in the paper. The paper is then driven to the Transfer
section where the image is correctly timed for transfer onto the paper.
The Resist Roller (Idle) puts pressure on the back side of the paper allowing the Drive roller
to move the paper to the transfer section after proper buckle timing has occurred.
AR-6020V OPERATIONAL DESCRIPTIONS 11 – 9
MM
RRC
MPWD
PIN
Function and operation
Function and operation