Canon imageRUNNER 2530 Service Manual page 6

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Printer unit Output Image Processing ------------------------------------------------2-21
Flow of Image Data According to Copy Functions --------------------------------2-21
Flow of Image Data for the SEND Function ----------------------------------------2-22
Flow of Image Data for the Fax Transmission --------------------------------------2-22
Flow of Image Data for the Fax Reception Function -----------------------------2-23
Flow of Image Data for the PDL Function -------------------------------------------2-23
Software counter ---------------------------------------------------------------------------2-24
Fan --------------------------------------------------------------------------------------------2-24
Power supply -------------------------------------------------------------------------------2-25
Service Operations ---------------------------------------------------------------2-27
Action to take when replacing parts ---------------------------------------------------2-27
Consumables ------------------------------------------------------------------------------2-27
Service precautions -----------------------------------------------------------------------2-27
Laser Exposure System --------------------------------------------------- 2-28
Construction ------------------------------------------------------------------------2-28
Specifications/Controls/Functions -----------------------------------------------------2-28
Main Configuration Parts ----------------------------------------------------------------2-28
Control System Configuration ----------------------------------------------------------2-29
Basic Sequence -------------------------------------------------------------------2-30
Basic Sequence ----------------------------------------------------------------------------2-30
Various Controls -------------------------------------------------------------------2-31
Controlling the Laser Activation Timing ----------------------------------------------2-31
Controlling the Intensity of Laser Light ----------------------------------------------2-32
Controlling the Laser Scanner Motor -------------------------------------------------2-32
Controlling the Laser Shutter -----------------------------------------------------------2-32
Image Formation System ------------------------------------------------- 2-33
Basic Configuration ---------------------------------------------------------------2-33
Specifications of Image Formation System -----------------------------------------2-33
Major Components of Image Formation System ----------------------------------2-34
Image Formation Process ---------------------------------------------------------------2-35
Basic Sequence -------------------------------------------------------------------2-36
Sequence of Operation (initial rotation) ----------------------------------------------2-36
Sequence of Operation (printing) ------------------------------------------------------2-36
Sequence of Operation (last rotation) ------------------------------------------------2-36
Controls -----------------------------------------------------------------------------2-37
Drum Unit ------------------------------------------------------------------------------------2-37
Developing Unit ----------------------------------------------------------------------------2-38
Toner Container ----------------------------------------------------------------------------2-39
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Transfer Unit --------------------------------------------------------------------------------2-40
Waste Toner Box ---------------------------------------------------------------------------2-41
Work of Service -------------------------------------------------------------------2-42
When Replacing the Components ----------------------------------------------------2-42
Periodical Service -------------------------------------------------------------------------2-42
Points to Note about Service -----------------------------------------------------------2-42
Fixing System ---------------------------------------------------------------- 2-43
Overview ----------------------------------------------------------------------------2-43
Features --------------------------------------------------------------------------------------2-43
Specifications -------------------------------------------------------------------------------2-43
Major parts configuration ----------------------------------------------------------------2-44
Controls -----------------------------------------------------------------------------2-45
Fixing temperature control: overview -------------------------------------------------2-45
Standby temperature control------------------------------------------------------------2-46
Print temperature control ----------------------------------------------------------------2-46
Down sequence control ------------------------------------------------------------------2-48
User mode related to fixing grade -----------------------------------------------------2-50
Paper loop amount control before fixing ---------------------------------------------2-51
Protection features ------------------------------------------------------------------------2-52
Pickup Feed System ------------------------------------------------------- 2-53
Overview ----------------------------------------------------------------------------2-53
Specification --------------------------------------------------------------------------------2-53
Parts Configuration ------------------------------------------------------------------------2-53
Diagram of Paper Paths (w/ 2 Way Unit/ inaner 2 way tray) --------------------2-57
Diagram of Paper Paths (w/o 2 Way Unit) ------------------------------------------2-58
Controls -----------------------------------------------------------------------------2-60
Overview -------------------------------------------------------------------------------------2-60
Cassette Pickup Assembly (550-sheet 1st cassette model) --------------------2-60
Cassette Pickup Assembly (250-sheet 1st cassette model) --------------------2-64
Multi-Purpose Pickup Assembly -------------------------------------------------------2-67
Fixing / Registration Assembly ---------------------------------------------------------2-68
Duplex / Delivery Assembly -------------------------------------------------------------2-69
Detecting Jams -----------------------------------------------------------------------------2-69
Work of Service -------------------------------------------------------------------2-70
Periodical ServicePeriodical Service -------------------------------------------------2-70
Consumables -------------------------------------------------------------------------------2-70
Periodically Servicing ---------------------------------------------------------------------2-70
Embedded RDS ------------------------------------------------------------- 2-71
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