3-77
Confidential
11. DOCUMENT FEEDING PROBLEMS
Problems related to document 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.
11.1 No Feeding
<User Check>
- Check if the document is inserted correctly to the depths.
- Check whether the document is 50 or less sheets. (CCD model)
Check whether the document is 20 or less sheets. (CIS model)
- Check if the ADF cover is closed.
Step
Cause
Check
Result
Remedy
1
Document front
actuator 1
catching on some
position
Does the document front
actuator 1 move
smoothly?
No
Re-assembly the
document front actuator
1.
2
Document front
sensor 1 harness
connection failure
Is the harness of the
document front sensor 1
connected securely?
No
Reconnected the harness
of the document front
sensor 1.
3
ADF motor
harness
connection failure
Is the harness of the ADF
motor connected
securely?
No
Reconnected the harness
of the ADF motor.
4
Document front
sensor 1
malfunction
Does the document front
sensor 1 move smoothly?
(Check it following the
procedure described in
)
No
Replace the document
front sensor 1.
5
Feed roller holder
ASSY failure
Though the ADF motor
rotates, does the supply
roller rotate?
Yes
Replace the feed roller
holder ASSY.
6
ADF relay PCB
failure
Is the problem solved
after replacing the ADF
relay PCB?
Yes
Replace the ADF relay
PCB.
7
Driver PCB failure Is the problem solved
after replacing the driver
PCB?
Yes
Replace the driver PCB.
8
ADF motor failure
Is the problem solved
after replacing the ADF
motor?
Yes
Replace the ADF motor.
9
Main PCB failure
Is the problem solved
after replacing the main
PCB?
Yes
Replace the main PCB.
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 ...