2-12
Service Manual
4044-XXX
Service Checks
Note: All service checks which involve measuring voltages of the
circuit boards (except the controller board) must be performed with
the engine/LVPS to controller board cable disconnected and the
printer positioned on its left side. This provides the servicer access
to the various circuit boards underneath the printer while supplying
necessary power to the rest of the printer.
Cooling Fan Service Check
FRU
Action
Model E310
Interconnect Board
Cooling Fan
Make sure motor cable is properly
seated in location CN408 on the
interconnect board. Disconnect the
cable and check connector-pin
CN408-3 for +24 V dc. If the voltage
is not present, replace the
interconnect board. If the voltage is
present, replace the cooling fan.
FRU
Action
Model E312
Engine Board
Cooling Fan
Make sure motor cable is properly
seated in location CN3 on the engine
board. Disconnect the cable and
check connector-pin CN3-1 for +24
V dc. If the voltage is not present,
replace the engine board. If the
voltage is present, replace the
cooling fan.
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 ...