Epson AcuLaser C9200N Service Manual page 103

EPSON AcuLaser C9200N
MISFEED AT 2ND IMAGE TRANSFER SECTION (A)
Detection Timing
Table 3-4. Detection Timing
Type
Detection of The leading edge of the paper does not block the Exit Sensor (PC2) even
misfeed at 2nd after the lapse of a given period of time after the Registration Roller
Transfer section Clutch (CL1) has been energized.
The Registration Roller Sensor (PC1) is not unblocked even after the lapse
of a given period of time after it has been blocked by the paper.
Detection of paper The Registration Roller Sensor (PC1) is blocked when the Power Switch
left in 2nd Transfer is turned ON, a cover is opened and closed, or a Jam or malfunction is
section reset.
The OHP Sensor (PC4) is blocked when the Main Power Switch is turned
ON, a cover is opened and closed, or a Jam or malfunction is reset.
The Exit Sensor (PC2) is blocked when the Image Transfer Belt Unit is
being cleaned.
Misfeed detected as The Registration Roller Sensor (PC1) is not unblocked at MP tray feed
a result of delayed even when the lapse of a given period of time passed after it has been
deactivation of shaded by the paper.
sensor
2nd Transfer The Registration Roller Sensor (PC1) has been shaded earlier than the
section Loop specified period of time after the Feed Roller started rotating to feed
Registration paper.
Reversing JAM
Troubleshooting
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Description
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Action
Registration Roller Sensor (PC1)
Exit Sensor (PC2)
OHP Sensor (PC4)
Step Action
1 Initial check items
2 PC1 I/O check, Sensor check
3 PC2 I/O check, Sensor check
4 PC4 I/O check, Sensor check
5 CL1 operation check
6 Change PWB-M (p.198)
Jam Display
Table 3-5. Action
Relevant Electrical Parts
Registration Roller Clutch (CL1)
Mechanical Control Board (PWB-M)
Connection Diagram
Control Signal
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PWB-M CNSEN-3 (ON)
PWB-M CNTH2-8 (ON)
PWB-M CNSEN-6 (ON)
PWB-M CNSEN-18 (ON)
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Revision D
Location
(electrical parts)
---
C-3A to 4
C-14
C-4
C-5
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103
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