2-18
Service Manual
4044-XXX
The fuser lamp does light
FRU
Action
Model 310
Thermistor
If the fuser lamp comes on and a
fuser failure LED error code displays,
be sure the thermistor is contacting
the hot roll and the thermistor cable
is firmly seated in connector CN1 on
the LVPS board. Check for excessive
toner buildup on the surface of the
thermistor. Clean or replace as
necessary. Turn the printer off and
disconnect the thermistor cable from
CN1 on the LVPS board. Measure
the resistance of the thermistor
between CN1-1 and CN1-2. The
resistance measures approximately
225K ohms when cool. Replace the
thermistor as necessary.
Model 312
Thermistor
If the fuser lamp comes on and a
fuser failure LED error code displays,
be sure the thermistor is contacting
the hot roll and the thermistor cable
is firmly seated in connector CN10
on the engine board. Check for
excessive toner buildup on the
surface of the thermistor. Clean or
replace as necessary. Turn the
printer off and disconnect the
thermistor cable from CN10 on the
engine board. Measure the
resistance of the thermistor between
CN10-1 and CN10-3. The resistance
measures approximately 225K ohms
when cool. Replace the thermistor
as necessary.
Models E310 & E312
Fuser Lamp
Make sure the correct voltage lamp
is installed. The voltage rating is
stamped on one of the lamp
contacts.
Summary of Contents for Optra 4044-XXX
Page 6: ...vi 4044 XXX Laser Advisory Label ...
Page 7: ...vii 4044 XXX Class 1 Laser Statement Label ...
Page 14: ...xiv 4044 XXX Japanese Laser Notice Chinese Laser Notice ...
Page 19: ...xix 4044 XXX Chinese Safety Information Korean Safety Information ...
Page 20: ...xx 4044 XXX ...
Page 58: ...2 36 Service Manual 4044 XXX ...
Page 73: ...Diagnostic Aids 3 15 4044 XXX Paper Path ...
Page 74: ...3 16 Service Manual 4044 XXX ...
Page 77: ...Repair Information 4 3 4044 XXX 2 Remove the face up cover 3 Open the front cover ...
Page 84: ...4 10 Service Manual 4044 XXX HVPS 1 Remove all covers 2 Remove the HVPS board mounting screws ...
Page 96: ...4 22 Service Manual 4044 XXX ...
Page 99: ...Connector Locations 5 3 4044 XXX ...
Page 104: ...5 8 Service Manual 4044 XXX ...
Page 109: ...Connector Locations 5 13 4044 XXX ...
Page 111: ...Connector Locations 5 15 4044 XXX ...
Page 116: ...5 20 Service Manual 4044 XXX ...
Page 119: ...Connector Locations 5 23 4044 XXX ...
Page 120: ...5 24 Service Manual 4044 XXX ...
Page 122: ...6 2 Service Manual 4044 XXX Assembly 1 Covers ...
Page 124: ...6 4 Service Manual 4044 XXX Assembly 1 Covers continued ...
Page 126: ...6 6 Service Manual 4044 XXX Assembly 2 Frame ...
Page 128: ...6 8 Service Manual 4044 XXX Assembly 2 Frame continued ...
Page 130: ...6 10 Service Manual 4044 XXX Assembly 3 Fuser ...
Page 132: ...6 12 Service Manual 4044 XXX Assembly 3 Fuser continued ...
Page 134: ...6 14 Service Manual 4044 XXX Assembly 4 Main Drive ...
Page 136: ...6 16 Service Manual 4044 XXX Assembly 5 Paper Feed ...
Page 138: ...6 18 Service Manual 4044 XXX Assembly 5 Paper Feed continued ...
Page 140: ...6 20 Service Manual 4044 XXX Assembly 6 Electronics model E310 ...
Page 142: ...6 22 Service Manual 4044 XXX Assembly 6 Electronics model E310 continued ...
Page 144: ...6 24 Service Manual 4044 XXX Assembly 6 Electronics model E312 ...
Page 148: ...6 28 Service Manual 4044 XXX ...