3-41
Confidential
4. PAPER FEEDING PROBLEMS
Problems related to paper feeding are end user recoverable if following the User Check
items. If the same problem occurs again, follow each procedure in the order of the number
described in the Step column in the tables below.
4.1
No Feeding
4.2
Double Feeding
Step
Cause
Check
Result
Remedy
1
Dirt on PE sensor
Is there paper powder in
the PE sensor?
Yes
Clean the PE sensnor.
2
Edge actuator
catching on some
position
Does the edge actuator
move smoothly?
No
Re-assembly the edge
actuator.
3
Roller holder
ASSY catching on
some position
Does the roller holder
ASSY move smoothly?
Yes
Re-assembly the roller
holder ASSY.
4
Separation pad or
roller holder ASSY
failure
Is the surface of the
separation pad or the
pickup roller dirty or worn
out?
Yes
1) Clean the surface of
the separation pad or
pickup roller.
2) Replace the separation
pad or pickup roller.
5
Pressure plate
gear damage
Is the pressure plate gear
damaged?
Yes
Replace the paper tray.
6
T1 solenoid failure Does the T1 solenoid
work correctly?
No
Replace the T1 solenoid.
7
T1 solenoid
pathway of the
high-voltage
power supply PCB
broken or
registration front
sensor failure
Is the problem solved
after replacing the high-
voltage power supply
PCB ASSY?
Yes
Replace the high-voltage
power supply PCB ASSY.
8
Main PCB failure
Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.
9
Main motor failure Is the problem solved
after replacing the main
motor ASSY?
Yes
Replace the main motor
ASSY.
Step
Cause
Check
Result
Remedy
1
Separation pad or
roller holder ASSY
failure
Is the surface of the
separation pad worn out?
Yes
Replace the PF kit.
Summary of Contents for DCP 8085DN
Page 13: ...CHAPTER 1 SPECIFICATIONS ...
Page 52: ...Confidential CHAPTER 2 THEORY OF OPERATION ...
Page 69: ...2 16 Confidential 3 3 Paper Feeding Fig 2 18 LT path DX path MP path Paper tray path ...
Page 89: ...CHAPTER 3 ERROR INDICATION AND TROUBLESHOOTING ...
Page 178: ...Confidential CHAPTER 4 PERIODICAL MAINTENANCE ...
Page 248: ...CHAPTER 5 DISASSEMBLY REASSEMBLY ...
Page 265: ...5 12 Confidential Fig 5 7 EM2 4 places Separation pad ASSY ...
Page 501: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 507: ...6 5 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Page 516: ...CHAPTER 7 SERVICE MODE ...
Page 525: ...7 7 Confidential For color scanning Fig 7 2 ...
Page 527: ...7 9 Confidential For white and black scanning Fig 7 3 ...
Page 528: ...7 10 Confidential For color scanning Fig 7 4 ...
Page 567: ...Confidential CHAPTER 8 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Page 569: ...8 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram Fig 8 1 ...
Page 570: ...8 2 Confidential LVPS PCB Circuit Diagram 230V Fig 8 2 ...
Page 571: ...8 3 Confidential LVPS PCB Circuit Diagram 115V Fig 8 3 ...