SC391 - Toner Collection Coil Overload
Definition:
The main PCB detects no signal change from the toner collection coil
overload sensor for more than 3 seconds.
NOTE: When the system error condition is reset, the copier shows the
toner end condition message on the screen,
Points to check:
•
Mechanical interference with the toner collection coil
•
Torque limiter for the coil drive mechanism
•
Cleaning unit
•
Toner collection coil overload sensor
•
Interface PCB
SC400 - Transfer Corona Current Adjustment Error
Definition:
When process control data initialization is selected in the SP mode, the main
PCB cannot adjust the transfer corona current to its target value.
NOTE: After resetting the system error condition, the adjustment will be
tried again. Even if the second execution fails, no service call
condition is displayed and the copier uses previous reference
data until its next initialization.
Points to check:
•
Transfer corona unit
•
Transfer corona power pack
•
Drum
•
Drum current detection PCB
SYSTEM ERROR AND SERVICE CALL CONDITIONS
31 July 1995
6-12
Summary of Contents for FT8680
Page 3: ...SECTION 1 OVERALL MACHINE INFORMATION ...
Page 8: ...MEMO 31 July 1995 SPECIFICATIONS 1 5 ...
Page 23: ...6 5 IMAGE OVERLAY MODE 2ND SIDE A171V505 wmf PAPER PATH 31 July 1995 1 20 ...
Page 24: ...SECTION 2 DETAILED SECTION DESCRIPTIONS ...
Page 133: ...Timing Chart 1 Stack 2 Paper Feed A171D551 wmf A171D552 wmf 31 July 1995 DUPLEX 2 109 ...
Page 159: ...SECTION 3 INSTALLATION ...
Page 177: ...SECTION 4 SERVICE TABLES ...
Page 229: ...SECTION 5 REPLACEMENT AND ADJUSTMENT ...
Page 362: ...SECTION 6 TROUBLESHOOTING ...