Malfunction Causes and Solutions
SM 4-21
G186
Tr
ouble
-
shooting
4.4 MALFUNCTION CAUSES AND SOLUTIONS
4.4.1 FUSER ERROR
Description:
A message “Engine Fuser Low Heat Error/Engine Fuser Over Heat Error” is displayed in
the LCD panel.
Check for...
Solutions
1. Check whether thermostat is open or
not.
2. Check whether thermistor is open or
not.
3. Heat lamp ON/OFF test
4. Operation is impossible due to a gear
of a fuser being melted.
1. Replace the fuser if the thermostat is
open.
2. Replace the fuser if a thermistor sensor
is located deep inside of a sponge.
3. Check whether the overheat mode
circuit is operating normally or not.
4. Replace
the
fuser.
4.4.2 LSU (LASER SCANNING UNIT) ERROR
Description:
A message “Engine Hsyne Error” is displayed in the LCD panel.
Check for...
Solutions
1. Check whether the LSU (Laser
Scanning Unit) connector is
disconnected or not.
2. Check whether the LSU motor is
rotating or not.
3. Check the HSYNC signal.
1. Connect the LSU harness properly.
2. Replace
the
LSU.
3. Replace the main board if the same
error occurs again after replacing the
LSU.
Содержание Aficio SP 5100N
Страница 1: ...G186 SERVICE MANUAL 003108MIU...
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Страница 3: ...G186 SERVICE MANUAL...
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Страница 27: ...INSTALLATION...
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Страница 31: ...PREVENTIVE MAINTENANCE...
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Страница 35: ...REPLACEMENT AND ADJUSTMENT...
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Страница 47: ...Exterior Cover SM 3 11 G186 Replacement and Adjustment 4 Push the by pass tray D and remove it as shown...
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Страница 85: ...TROUBLESHOOTING...
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Страница 117: ...SERVICE TABLES...
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Страница 137: ...DETAILED SECTION DESCRIPTIONS...
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Страница 157: ...SPECIFICATIONS...
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Страница 163: ...APPENDIX...
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Страница 165: ...Block Diagram SM 8 1 G186 Appendix 8 APPENDIX 8 1 BLOCK DIAGRAM 8 1 1 SYSTEM BLOCK DIAGRAM...
Страница 166: ...Block Diagram G186 8 2 SM...
Страница 167: ...Connection Diagram SM 8 3 G186 Appendix 8 2 CONNECTION DIAGRAM...