Protective Function------------------------------------------------------------------------2-11
Backup Battery-----------------------------------------------------------------------------2-12
Power-saving function--------------------------------------------------------------------2-12
Security features (encryption key and certicate, password protection)-----2-13
High capacity HDD (Option) ------------------------------------------------------------2-20
HDD mirroring feature (option)---------------------------------------------------------2-21
Removable HDD (option)----------------------------------------------------------------2-23
Service Operations---------------------------------------------------------------2-24
When Replacing Parts -------------------------------------------------------------------2-24
Laser Exposure System-----------------------------------------------------2-1
Overview ----------------------------------------------------------------------------- 2-1
Overview-------------------------------------------------------------------------------------- 2-1
Specications-------------------------------------------------------------------------------- 2-3
Parts Conguration------------------------------------------------------------------------- 2-3
Controls ------------------------------------------------------------------------------ 2-5
Overview-------------------------------------------------------------------------------------- 2-5
Laser ON Timing Control ----------------------------------------------------------------- 2-5
Laser Beam Intensity Control------------------------------------------------------------ 2-7
Skew correction in horizontal scanning direction ----------------------------------- 2-8
Duplex print magnication correction-------------------------------------------------- 2-9
Laser Scanner Motor Control-----------------------------------------------------------2-10
Laser Shutter Control---------------------------------------------------------------------2-11
Servicing ----------------------------------------------------------------------------2-12
Periodically Replaced Parts-------------------------------------------------------------2-12
Consumable Parts-------------------------------------------------------------------------2-12
Periodical Servicing List------------------------------------------------------------------2-12
When Replacing Parts--------------------------------------------------------------------2-12
Major Adjustments-------------------------------------------------------------------------2-12
Image Formation System ---------------------------------------------------2-1
Overview ----------------------------------------------------------------------------- 2-1
Overview-------------------------------------------------------------------------------------- 2-1
Specications-------------------------------------------------------------------------------- 2-1
Parts Conguration------------------------------------------------------------------------- 2-6
Drive Conguration------------------------------------------------------------------------- 2-8
Printing Process----------------------------------------------------------------------------2-11
Controls -----------------------------------------------------------------------------2-12
Overview-------------------------------------------------------------------------------------2-12
Process Unit (Bk)--------------------------------------------------------------------------2-14
Process Unit (CL)--------------------------------------------------------------------------2-21
Transfer Assembly-------------------------------------------------------------------------2-24
Toner Supply Assembly ------------------------------------------------------------------2-31
Waste Toner Feed Assembly -----------------------------------------------------------2-35
Image Stabilization Control--------------------------------------------------------------2-36
Servicing ----------------------------------------------------------------------------2-59
Periodically Replaced Parts-------------------------------------------------------------2-59
Consumable Parts-------------------------------------------------------------------------2-59
Periodical Servicing List------------------------------------------------------------------2-59
When Replacing Parts--------------------------------------------------------------------2-60
Major Adjustments-------------------------------------------------------------------------2-60
Fixing System------------------------------------------------------------------2-1
Overview ----------------------------------------------------------------------------- 2-1
Overview-------------------------------------------------------------------------------------- 2-1
Specications-------------------------------------------------------------------------------- 2-2
Parts Conguration------------------------------------------------------------------------- 2-3
Drive Conguration------------------------------------------------------------------------- 2-4
Basic Sequence----------------------------------------------------------------------------- 2-5
Controls ------------------------------------------------------------------------------ 2-6
Overview-------------------------------------------------------------------------------------- 2-6
Heat Control---------------------------------------------------------------------------------- 2-6
Fixing Temperature Control -------------------------------------------------------------- 2-7
Edge Heat Rising Prevention Control ------------------------------------------------2-10
Down Sequence Control-----------------------------------------------------------------2-11
Pressure Belt Cooling Control----------------------------------------------------------2-12
Paper Wrapping Detection --------------------------------------------------------------2-13
Fixing/Pressure Belt Displacement Control-----------------------------------------2-14
Pressure Belt Pressurizing Control----------------------------------------------------2-18
Fixing Assembly life Detection----------------------------------------------------------2-20
Protective Function------------------------------------------------------------------------2-22
Servicing ----------------------------------------------------------------------------2-23
Periodically Replaced Parts-------------------------------------------------------------2-23
Consumable Parts-------------------------------------------------------------------------2-23
Periodical Servicing List------------------------------------------------------------------2-23
When Replacing Parts--------------------------------------------------------------------2-23
Major Adjustments-------------------------------------------------------------------------2-25
Service Note --------------------------------------------------------------------------------2-25
Pickup / Feed System--------------------------------------------------------2-1