Diagnostic Information
2-25
4045-XXX
Hot Fuser Service Check
Error codes 923 and 924 may display for a hot fuser failure.
CAUTION:
The fuser may be hot, use caution before removing or
servicing.
Input Sensor Service Check
Service Tip: Run the Base Sensor Test. Check the input sensor for
proper operation. The display changes from open to closed as the
sensor flag is manually moved in and out of the sensor.
FRU
Action
1
Fuser Thermistor
Check for damage to the thermistor
assembly. Check the resistance of
the themistor:
HOT - 1K ohms
COLD =150K ohms to 475K ohms
With the cable connected, check the
continuity from J8-6 and J8-7 to
ground. If there is continuity, replace
the fuser thermistor.
2
Engine Board
Error code 924 indicates the engine
board detects an open circuit in the
thermistor circuit for the fuser
assembly. The voltage on J8-6 on
the engine board measures
approxi5 V dc. If incorrect,
replace the engine board.
3
Fuser Hot Roll
Backup Roll Bearings
Examine the fuser assembly for
signs of overheating or damage.
Check the hot roll and backup roll for
signs of excessive toner, label glue,
labels or other contaminants. If any
are found, repair as necessary or
replace the fuser assembly.
Summary of Contents for Optra M410
Page 6: ...vi Service Manual 4045 XXX ...
Page 8: ...viii Service Manual 4045 XXX Class 1 Laser Statement Label ...
Page 14: ...xiv Service Manual 4045 XXX Japanese Laser Notice Chinese Laser Notice ...
Page 20: ...xx Service Manual 4045 XXX ...
Page 26: ...1 6 Service Manual 4045 XXX ...
Page 102: ...3 28 Service Manual 4045 XXX Paper Path Sensor Locations ...
Page 103: ...Diagnostic Aids 3 29 4045 XXX Cable Locations ...
Page 104: ...3 30 Service Manual 4045 XXX ...
Page 116: ...4 12 Service Manual 4045 XXX 5 Remove the cooling fan ...
Page 137: ...Connector Locations 5 3 4045 XXX ...
Page 143: ...Connector Locations 5 9 4045 XXX ...
Page 145: ...Connector Locations 5 11 4045 XXX ...
Page 147: ...Connector Locations 5 13 4045 XXX ...
Page 148: ...5 14 Service Manual 4045 XXX ...
Page 150: ...6 2 Service Manual 4045 XXX Assembly 1 Covers ...
Page 152: ...6 4 Service Manual 4045 XXX Assembly 1 Covers continued ...
Page 154: ...6 6 Service Manual 4045 XXX Assembly 2 Frame ...
Page 156: ...6 8 Service Manual 4045 XXX Assembly 3 Printhead ...
Page 158: ...6 10 Service Manual 4045 XXX Assembly 4 Paper Feed Multipurpose Unit ...
Page 160: ...6 12 Service Manual 4045 XXX Assembly 5 Paper Feed Alignment ...
Page 162: ...6 14 Service Manual 4045 XXX Assembly 6 Paper Feed Output ...
Page 164: ...6 16 Service Manual 4045 XXX Assembly 7 Main Drive ...
Page 166: ...6 18 Service Manual 4045 XXX Assembly 8 Developer Drive ...
Page 168: ...6 20 Service Manual 4045 XXX Assembly 9 Fuser ...
Page 170: ...6 22 Service Manual 4045 XXX Assembly 9 Fuser continued ...
Page 172: ...6 24 Service Manual 4045 XXX Assembly 10 Transfer ...
Page 174: ...6 26 Service Manual 4045 XXX Assembly 11 Charging ...
Page 176: ...6 28 Service Manual 4045 XXX Assembly 12 Electronics ...
Page 178: ...6 30 Service Manual 4045 XXX Assembly 12 Electronics continued ...
Page 180: ...6 32 Service Manual 4045 XXX Assembly 12 Electronics continued ...
Page 182: ...6 34 Service Manual 4045 XXX Assembly 13 250 Sheet Tray ...
Page 184: ...6 36 Service Manual 4045 XXX Assembly 14 500 Sheet Tray ...
Page 186: ...6 38 Service Manual 4045 XXX Assembly 14 500 Sheet Tray continued ...