Diagnostic Information
2-57
5016-001
Fuser Hot Service Check
CAUTION: The fuser may be hot, use caution before removing or
servicing.
Error Codes 923 and 924 may display for a hot fuser failure.
Error Code 924 indicates the engine board has detected an open in
the thermistor circuit.
Note: Most of the wiring and electrical devices can be reached by
removing the paper exit cover on the bottom of the fuser assembly.
FRU
Action
1
Fuser:
• Assembly
• Hot Roll
• Backup Roll
Bearings
Check the fuser assembly for signs of overheating
or damage, especially the hot roll and backup roll.
Also check for contaminants such as label glue or
excessive toner buildup.
• If contaminants are found, repair as necessary
or replace the fuser assembly.
• If damage from overheating is found, replace
the fuser.
2
Thermistor
Assembly
Engine Board
Check for a shorted thermistor by measuring
across the connector located in the cable guide.
• If the thermistor is shorted, replace the
thermistor.
• If replacing the failing thermistor does not fix the
problem, replace the engine board.
Check for signs of damage or contamination to the
thermistor assembly. If no problem is found, check
the resistance of the thermistor.
Hot: CN18-1 to CN18-2:
Approximately 2.0k - 2.5k ohms
Cold: Approximately 150k to 250k ohms
If incorrect, replace the thermistor.
Check for an open in the thermistor circuit in the
fuser assembly. Be sure the thermistor is properly
connected to the thermistor cable in the bottom of
the cable guide.
Содержание Optra C710
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Страница 251: ...Connector Locations 5 1 5016 001 5 Connector Locations Engine Board ...
Страница 255: ...Connector Locations 5 5 5016 001 Belt Position Sensor Board Belt Position Sensor Board Connector CN200 Engine board ...
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Страница 296: ...7 26 Service Manual 5016 001 Assembly 9 Carriage Block ...
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Страница 300: ...7 30 Service Manual 5016 001 Assembly 11 Front Cover Assembly ...
Страница 302: ...7 32 Service Manual 5016 001 Assembly 11 Cont Front Cover Assembly ...
Страница 303: ...Parts Catalog 7 33 5016 001 Assembly 11 Asm Index Part Number Units Description 11 34 12G1157 1 Strap Front Cover ...
Страница 304: ...7 34 Service Manual 5016 001 Assembly 12 Front Cover Assembly 2 ...
Страница 306: ...7 36 Service Manual 5016 001 Assembly 12 Cont Front Cover Assembly 2 ...
Страница 308: ...7 38 Service Manual 5016 001 Assembly 13 Feed Unit ...
Страница 310: ...7 40 Service Manual 5016 001 Assembly 14 Laser Scanner Unit ...
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Страница 316: ...7 46 Service Manual 5016 001 Assembly 16 Upper Covers ...
Страница 318: ...7 48 Service Manual 5016 001 Assembly 16 Cont Upper Covers ...
Страница 320: ...7 50 Service Manual 5016 001 Assembly 17 Covers ...
Страница 322: ...7 52 Service Manual 5016 001 Assembly 18 Covers Frame 250 Tray Option ...
Страница 324: ...7 54 Service Manual 5016 001 Assembly 18 Cont Covers Frame 250 Option ...
Страница 326: ...7 56 Service Manual 5016 001 Assembly 19 Middle Roll Unit 250 Tray Option ...
Страница 328: ...7 58 Service Manual 5016 001 Assembly 20 250 250 Tray Option Lower Unit ...
Страница 330: ...7 60 Service Manual 5016 001 Assembly 21 Duplex Unit Option 2 ...
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