Solution - Epson AcuLaser C9200N Service Manual

EPSON AcuLaser C9200N

3.2.3 Solution

INITIAL CHECK ITEMS
When a paper misfeed occurs, first make checks of the following initial check items
Table 3-1. Initial Check Items
Check Item
Does paper meet product specifications?
Is paper curled, wavy, or damp.
Is a foreign object present along the paper path, or is
the paper path deformed or worn?
Are the Paper Separator Fingers dirty, deformed, or
worn?
Are rolls/rollers dirty, deformed, or worn?
Are the Edge Guide and Trailing Edge Stop at
correct position to accommodate paper?
Are actuators found operational as checked for
correct operation?
Troubleshooting
Downloaded from www.Manualslib.com
Action
Change paper.
Change paper.
Instruct user in correct paper storage.
Clean or change the paper path.
Clean or change the defective Paper
Separator Finger.
Clean or change the defective roll/roller.
Set as necessary.
Correct or change the defective actuator.
manuals search engine
MISFEED AT FUSING/EXIT SECTION (A, B, H)
Detection Timing
Type
Detection of PC2 is not unblocked even after the lapse of a given period of time after
misfeed at Fusing/ the paper has blocked the Exit Sensor (PC2).
Exit Section
The Duplex Unit Transport Sensor 1 (PC1) is not blocked even after the
lapse of a given period of time after the Exit Sensor (PC2) has been
unblocked by the paper during a switchback sequence.
Detection of paper The Exit Sensor (PC2) is blocked when the Main Power Switch is turned
left in Exit Section ON, a door or cover is opened and closed, or a misfeed or malfunction is
reset.
Action
Exit Sensor (PC2)
Duplex Unit Transport Sensor 1 (PC1)
Step Action
1 Initial check items
2 PC2 I/O check, Sensor check
3 PC1 I/O check, Sensor check
4 Change PWB-A (p.312)
5 Change PWB-M (p.198)
Jam Display
Table 3-2. Detection Timing
Description
Table 3-3. Action
Relevant Electrical Parts
Duplex Control Board (PWB-A DU)
Mechanical Control Board (PWB-M)
Connection Diagram
Control Signal
---
PWB-M CNTH2-8 (ON)
---
---
---
Revision D
Location
(electrical
parts)
---
C-14
U-18
---
---
102
Confidential