2-30
Service Manual
4044-XXX
Heavy background
Poor development or poorly charged toner particles cause excessive
background. This is more noticeable as the toner cartridge nears
end of life.
FRU
Action
Models E310 & E12
Toner Cartridge
Make sure toner cartridge is
correctly installed and the high
voltage contacts are clean. If the
cartridge is installed correctly, try a
new cartridge.
Model E310
HVPS Contacts
HVPS Board
Engine/LVPS Board
Check the contacts for correct
installation and contamination where
contact is made with the toner
cartridge and HVPS Board. Clean as
necessary. If this does not correct
the problem, replace the following
FRUs one at a time in the order
shown:
HVPS Board
Engine/LVPS Board
Model E312
HVPS Contacts
HVPS Board
Engine Board
Check the contacts for correct
installation and contamination where
contact is made with the toner
cartridge and HVPS Board. Clean as
necessary. If this does not correct
the problem, replace the following
FRUs one at a time in the order
shown:
HVPS Board
Engine Board
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 ...