P THEORY OF OPERATION > 1.
d-Color MF4003/MF3303
P-56
d-Color MF4003/
MF3303
1.15.2
Drive
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[1]
ADU reverse rotation clutch (CL7)
[2]
Exit path switch solenoid (SD1)
[3]
Fusing motor (M3)
[4]
ADU forward rotation clutch (CL6)
[5]
Paper exit roller
[6]
Exit path switchback guide
[7]
Reverse roller
-
1.15.3 Operation
(1) Transport control
(a) Paper exit switching mechanism
• The paper transport path is switched between one in the exit direction and one toward the reverse roller.
• Paper exit switching is controlled by switching the exit path switch solenoid ON/OFF.
1.
Switchback guide operation
Transport route
Normal rotation roller
Exit/reverse roller
Exit path switch solenoid
Switchback guide
A
Normal rotation
Stopping
OFF
CLOSE
B
Stopping
Reverse rotation
ON
OPEN
C
Stopping
Normal rotation
OFF
CLOSE
B
A
C
[2]
[6]
[1]
[5]
[3]
[4]
Reverse rotation
Normal rotation
CLOSE mode
OPEN mode
[1]
Exit path switch solenoid (SD1)
[2]
Switchback guide
[3]
Paper exit roller
[4]
Reverse roller
[5]
ADU forward rotation clutch (CL6)
[6]
ADU reverse rotation clutch (CL7)
(b) <Single-side printing>
• Paper exits outside the machine with the switchback guide in CLOSE mode.
• The reverse roller is stopping.
Service Manual
Y119930-3
Summary of Contents for d-Color MF 4003
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