Canon imageRUNNER 1750 Series Service Manual page 5

Pickup and Feed Operations -----------------------------------------------------------2-22
Reversal Operation------------------------------------------------------------------------2-22
Delivery Operation-------------------------------------------------------------------------2-24
Jam Detection ------------------------------------------------------------------------------2-25
Work of Service -------------------------------------------------------------------2-26
Periodically Replaced Parts -------------------------------------------------------------2-26
Consumable Parts -------------------------------------------------------------------------2-26
Periodical Servicing -----------------------------------------------------------------------2-26
When replacing the parts ----------------------------------------------------------------2-26
Main Controller -------------------------------------------------------------- 2-27
Overview ----------------------------------------------------------------------------2-27
Configuration/Function -------------------------------------------------------------------2-27
Controls -----------------------------------------------------------------------------2-28
Image Data Flow ---------------------------------------------------------------------------2-28
Image Processing Module Configuration --------------------------------------------2-28
Reader Unit Input Image Processing -------------------------------------------------2-29
Compression/Expansion/Edit Processing Block -----------------------------------2-29
Printer Output Image Processing ------------------------------------------------------2-30
Image Data Flow of Copy Function ---------------------------------------------------2-30
Image Data Flow of SEND Function --------------------------------------------------2-31
Image Data Flow of FAX Transmission Function ----------------------------------2-31
Image Data Flow of FAX Reception Function --------------------------------------2-32
Image Data Flow of PDL Function ----------------------------------------------------2-32
Service Tasks ----------------------------------------------------------------------2-33
Periodically Replaced Parts -------------------------------------------------------------2-33
Consumable Parts -------------------------------------------------------------------------2-33
Periodical Servicing -----------------------------------------------------------------------2-33
Laser Exposure System --------------------------------------------------- 2-34
Construction ------------------------------------------------------------------------2-34
Specifications/Controls/Functions -----------------------------------------------------2-34
Main Configuration Parts ----------------------------------------------------------------2-34
Control System Configuration ----------------------------------------------------------2-35
Basic Sequence -------------------------------------------------------------------2-36
Basic Sequence ----------------------------------------------------------------------------2-36
Various Controls -------------------------------------------------------------------2-37
Controlling the Laser Activation Timing ----------------------------------------------2-37
Controlling the Intensity of Laser Light -----------------------------------------------2-39
Controlling the Laser Scanner Motor -------------------------------------------------2-39
Controlling the Laser Shutter -----------------------------------------------------------2-39
Image Formation System ------------------------------------------------- 2-40
Basic Configuration ---------------------------------------------------------------2-40
List of Image Formation Specifications ----------------------------------------------2-40
Major Components in image formation system ------------------------------------2-41
Image Formation Process ---------------------------------------------------------------2-42
Basic Sequence -------------------------------------------------------------------2-43
Initial rotation sequence ------------------------------------------------------------------2-43
Sequence at printing ----------------------------------------------------------------------2-43
Last rotation sequence -------------------------------------------------------------------2-43
Controls -----------------------------------------------------------------------------2-44
Drum Unit ------------------------------------------------------------------------------------2-44
Developing Assembly ---------------------------------------------------------------------2-45
Toner Supply Area -------------------------------------------------------------------------2-46
Transfer Unit --------------------------------------------------------------------------------2-48
Chang in bias by user mode (Special Mode) ---------------------------------------2-49
Waste Toner Box ---------------------------------------------------------------------------2-49
Service Tasks ----------------------------------------------------------------------2-50
Periodically Replaced Parts -------------------------------------------------------------2-50
Consumable Parts -------------------------------------------------------------------------2-50
Periodical Servicing -----------------------------------------------------------------------2-50
Fixing System ---------------------------------------------------------------- 2-51
Overview ----------------------------------------------------------------------------2-51
Features --------------------------------------------------------------------------------------2-51
Specifications -------------------------------------------------------------------------------2-51
Major Components ------------------------------------------------------------------------2-52
Controls -----------------------------------------------------------------------------2-53
Fixing Temperature Control (temperature control) --------------------------------2-53
Standby Temperature Controll ----------------------------------------------------------2-54
Print temperature control ----------------------------------------------------------------2-54
Down Sequence Control -----------------------------------------------------------------2-56
Change in fixing performance by user mode (Special Mode) ------------------2-57
Pre-fixing arch level control -------------------------------------------------------------2-58
Protection function-------------------------------------------------------------------------2-59
Service Tasks ----------------------------------------------------------------------2-59
Periodically Replaced Parts -------------------------------------------------------------2-59
Consumable Parts -------------------------------------------------------------------------2-59
Periodical Servicing -----------------------------------------------------------------------2-59