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3-73
Confidential
10. TROUBLESHOOTING OF FAX FUNCTIONS
■
Can not send FAX.
<User Check>
- Verify that the telephone cord is securely inserted into the right socket.
Step
Possible cause
Check
Result
Remedy
1
Dialing mode
Setting
Does a dialing signal
(PB or DP) come out
normally in each mode?
(Use telephone line
emulator.)
Yes
Check the dialing mode
setting at customer's
again.
Check the telephone line
cord between machine and
socket.
2
Connection
between main
PCB and NCU
PCB
Are the main PCB and
NCU PCB connected
properly?
No
Reconnect the connector
properly.
3
Connection
between main
PCB and control
panel PCB
Are the main PCB and
control panel PCB
connected properly?
No
Reconnect the connector
properly.
4
Contact of rubber
key
Does the rubber key
work correctly?
No
Replace the rubber Key.
5
NCU PCB
Is the problem solved
after replacing the NCU
PCB ASSY?
Yes
Replace the NCU PCB
ASSY.
6
Control panel
PCB
Is the problem solved
after replacing the
control panel PCB?
Yes
Replace the control panel
PCB.
7
Main PCB
Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.
Содержание DCP 8085DN
Страница 13: ...CHAPTER 1 SPECIFICATIONS ...
Страница 52: ...Confidential CHAPTER 2 THEORY OF OPERATION ...
Страница 69: ...2 16 Confidential 3 3 Paper Feeding Fig 2 18 LT path DX path MP path Paper tray path ...
Страница 89: ...CHAPTER 3 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 178: ...Confidential CHAPTER 4 PERIODICAL MAINTENANCE ...
Страница 204: ...4 25 Confidential 23 Secure the Fuser unit with the pan B M4x20 Taptite screw Fig 4 37 Taptite pan B M4x20 Fuser unit ...
Страница 248: ...CHAPTER 5 DISASSEMBLY REASSEMBLY ...
Страница 265: ...5 12 Confidential Fig 5 7 EM2 4 places Separation pad ASSY ...
Страница 291: ...5 38 Confidential 38 Driver PCB Battery CIS model Main PCB Battery harness Drive PCB Battery Driver harness ...
Страница 400: ...5 147 Confidential 9 11 3 Printed Rubber Key 1 Remove the Printed rubber key Fig 5 170 Printed rubber key Panel cover ...
Страница 452: ...5 199 Confidential 9 33 Thermistor ASSY 1 Remove the Thermistor ASSY from the Frame L Fig 5 242 Frame L Thermistor ASSY ...
Страница 501: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 507: ...6 5 Confidential 8 Alert warning message of WHQL appears Click Continue Anyway to proceed ...
Страница 516: ...CHAPTER 7 SERVICE MODE ...
Страница 525: ...7 7 Confidential For color scanning Fig 7 2 ...
Страница 527: ...7 9 Confidential For white and black scanning Fig 7 3 ...
Страница 528: ...7 10 Confidential For color scanning Fig 7 4 ...
Страница 567: ...Confidential CHAPTER 8 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Страница 569: ...8 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram Fig 8 1 ...
Страница 570: ...8 2 Confidential LVPS PCB Circuit Diagram 230V Fig 8 2 ...
Страница 571: ...8 3 Confidential LVPS PCB Circuit Diagram 115V Fig 8 3 ...