One of the following problems occurred:
• The machine failed to detect a LOCK signal within two sec. after the
main motor was turned on.
• The machine failed to detect a LOCK release signal with 2 sec. after
the main motor was turned off.
• Cycle the machine off/on
• Check the areas around motor and main drive train for a physical
obstruction (paper scraps, etc.)
• Clean the main motor drive train
• AIO defective
• Main motor defective
SC541
C7
A
Fusing Unit Thermistor Error (Fatal Error)
No temperature was detected within 5 sec. after the machine was turned
on (temperature was less than 0°C).
• Fusing unit thermistor disconnected, broken or not set correctly
• Fusing lamp disconnected, broken or not set correctly.
• Fusing unit defective
• After servicing the machine to solve the problem, the service
technician must execute a "Fuser SC Reset". Otherwise, the machine
will continue to issue this SC code and cannot be operated. (
page 191)
SC542
C8
A
Fusing Reload Temperature Error (Fatal Error)
After starting up or during operation he machine detected after 5 readings
at 1.5 sec. intervals that the hot roller was 5°C below the reload
(operating) temperature.
• Fusing thermistor deformed or out of position
• Fusing lamp harness loose, broken, defective
• Fusing unit defective
• After servicing the machine to solve the problem, the service
technician must execute a "Fuser SC Reset". Otherwise, the machine
will continue to issue this SC code and cannot be operated. (
page 191)
6. Troubleshooting
196
Содержание M178-21
Страница 2: ......
Страница 24: ...22 ...
Страница 69: ... Front cover Left cover 1 Disconnect the fusing unit harness A 1 2 Free the harness B 2 Basic Procedures 67 ...
Страница 71: ...6 Disconnect the thermistor harness 1 7 Disconnect the exit sensor 1 Basic Procedures 69 ...
Страница 90: ...Friction Pad 1 Remove 3 screws 3 2 Release 2 tabs 2 4 Replacement and Adjustments 88 ...
Страница 103: ...Solenoid 101 ...
Страница 105: ...2 Remove the breaker switch screw A 1 3 Disconnect and remove the switch B 2 Switches 103 ...
Страница 108: ...4 Replacement and Adjustments 106 ...
Страница 117: ...Ground Plate 1 Note the correct position for the ground plate before re installation Fusing Unit 115 ...
Страница 133: ...3 On the left side slide the base of the supply plug off its mount 4 Disconnect both connectors 2 PCB 131 ...
Страница 143: ...Filling the AIO with New Toner 1 Remove the round cap of the toner supply tank with a screwdriver Refilling the AIO 141 ...
Страница 190: ...5 System Maintenance Reference 188 ...
Страница 221: ...MEMO 219 ...
Страница 222: ...MEMO 220 EN ...
Страница 224: ......
Страница 226: ...2 ...
Страница 237: ...Scan Area TWAIN Driver Flatbed Margin Width mm A Left 0 B Right 0 C Leading 0 D Trailing 0 Machine Specifications 13 ...
Страница 250: ...MEMO 26 ...
Страница 251: ...MEMO 27 ...
Страница 252: ...MEMO 28 EN ...