Canon imageRUNNER ADVANCE C350 series, Service Manual

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Contents
0
Safety Precautions
CDRH Act ------------------------------------------------------------------------- 6
Laser Safety ---------------------------------------------------------------------- 6
Handling of Laser System ---------------------------------------------------- 7
Turn Power Switch ON -------------------------------------------------------- 8
Power Supply -------------------------------------------------------------------- 9
Safety of Toner ------------------------------------------------------------------- 9
About Toner ---------------------------------------------------------------------------- 9
Toner on Clothing or Skin ----------------------------------------------------------- 9
Notes When Handling a Lithium Battery ---------------------------------10
Notes Before Servicing -------------------------------------------------------10
Points to Note at Cleaning ---------------------------------------------------10
Notes On Assembly/Disassembly ------------------------------------------11
Points to Note when Tightening a Screw --------------------------------------11
1 Product Overview
Product Lineup -----------------------------------------------------------------1-2
Host machine ----------------------------------------------------------------------- 1-2
Host machine configuration -------------------------------------------------------------- 1-2
Model type ------------------------------------------------------------------------------------ 1-2
Option --------------------------------------------------------------------------------- 1-3
Pickup / Delivery / Image Reading System Options ------------------------------- 1-3
Function expansion system options --------------------------------------------------- 1-4
Features -------------------------------------------------------------------------1-6
Product Features ------------------------------------------------------------------- 1-6
Service Feature -------------------------------------------------------------------- 1-6
Service Mode -------------------------------------------------------------------------------- 1-6
Improved Upgrading Operability -------------------------------------------------------- 1-7
Jam/Error Code Display Specifications ----------------------------------------------- 1-7
Improved replacing major parts --------------------------------------------------------- 1-8
Specifications ------------------------------------------------------------------1-9
Specifications ----------------------------------------------------------------------- 1-9
Weight and Size -------------------------------------------------------------------- 1-9
Productivity (Print speed) -------------------------------------------------------1-10
Paper type -------------------------------------------------------------------------- 1-11
Pickup ----------------------------------------------------------------------------------------1-11
Parts Name ------------------------------------------------------------------- 1-14
External View ----------------------------------------------------------------------1-14
ADF -------------------------------------------------------------------------------------------1-14
Reader ----------------------------------------------------------------------------------------1-14
Front view, Left side -----------------------------------------------------------------------1-15
Rear view, Right side ---------------------------------------------------------------------1-16
Front Inner -----------------------------------------------------------------------------------1-17
Cross Sectional View ------------------------------------------------------------1-17
Operation ---------------------------------------------------------------------------1-18
Power Switch -------------------------------------------------------------------------------1-18
Description of Control Panel ------------------------------------------------------------1-19
2 Technical Explanation
Basic Configuration -----------------------------------------------------------2-2
Functional Configuration --------------------------------------------------------- 2-2
Original Exposure and Feed System -------------------------------------2-3
Construction ------------------------------------------------------------------------- 2-3
Specifications/controls/functions -------------------------------------------------------- 2-3
Major Components ------------------------------------------------------------------------- 2-4
Basic Operation -------------------------------------------------------------------- 2-6
Basic Sequence ----------------------------------------------------------------------------- 2-6
ADF Operation Mode ---------------------------------------------------------------------- 2-8
Reader Unit controls -------------------------------------------------------------2-13
Scanner Drive Control --------------------------------------------------------------------2-13
Magnification Ratio ------------------------------------------------------------------------2-13
Original Detection--------------------------------------------------------------------------2-13
Image Processing -----------------------------------------------------------------2-14
Overview -------------------------------------------------------------------------------------2-14
Image Processing by the CIS Unit (AFE) --------------------------------------------2-15
Image Processing by the Main Controller PCB (Reader ASIC) ----------------2-16
Control of ADF ---------------------------------------------------------------------2-20
Pickup Control ------------------------------------------------------------------------------2-20