Original Exposure And Feed System; Construction; Specifications/Controls/Functions - Canon imageRUNNER 1750 Series Service Manual

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Technical Explanation > Original Exposure and Feed System > Construction > Specifications/controls/functions

Original Exposure and Feed System

Construction

■ Specifications/controls/functions

The major specifications, controls and functions of the original exposure and feed system are
described below.
Item
Original exposure LED
Original scan In book mode Original scan is performed by moving the contact image sensor
(CIS).
In ADF mode Original stream reading is performed with the contact image
sensor (CIS) fixed.
Read resolution B/W: 600 dpi (main scanning) x 600 dpi (sub scanning)
(Color SEND: 300 dpi (main scanning) x 600 dpi (sub scanning))
Gradation 256 gradation
Carriage position detection CIS HP sensor (PS24)
Magnification 25% to 400%
Main scanning Image is processed on main controller PCB.
direction
Sub scanning Image is processed on main controller PCB.
direction
Lens Rod lens array
Original reading sensor Number of lens: 1
Number of pixels: Total 5148 (incl. 5104 effective pixels)
Maximum original scan width: 216mm
CIS drive control Drive control by Reader motor (M10)
Original size In book mode Main scanning direction: by reflection sensor (AB/Inch)
detection
Sub scanning direction: by reflection sensor (AB/Inch)
In ADF mode Main scanning direction: by photo interrupter on ADF
Sub scanning direction: by photo interrupter on ADF
ADF original pickup method Auto pickup/delivery method
ADF setting direction of original Original tray pickup: face-up stacking
ADF setting position of original Original tray pickup: center reference
ADF separation method of original Upper separation by separation pad
ADF scanning method of original Stream reading
ADF weight of 1-sided AB: 42 to 128 g/m2
original Inch: 50 to 128 g/m2
2-sided 50 to 128 g/m2
Color original 64 to 128 g/m2
B/W or Color 50 to 128 g/m2 (Color: 64 to 128 g/m2)
mixed original
Original longer 60 to 90 g/m2 (1-sided, 1-sheet feeding)
than 432mm
2 Technical Explanation > Original Exposure and Feed System > Construction > Specifications/controls/functions
Specification/function
Item
ADF original size A4R, B5R, A5, A5R, LGL, LTRR, STMTR, STMT, 16K-R (For
STMT, horizontal scanning only)
Original width direction: 139.7 to 219 mm
Original feed direction: 128 to 356 mm (In banner paper printing
mode: maximum 630 mm)
ADF original tray capacity 100 sheets (80 g/m2 paper, original height: 10mm or less)
ADF original processing mode 1-sided original processing
2-sided original processing
ADF original size detection Yes (standard size)
function
ADF mixed Mix of same Yes (weight of original same as continuous feed mode)
original mode configuration Assured combination for mix with same configuration
function mode A5/A4R, STMT/LTRR/LGL
Mix of different No
configuration
mode
Book original Yes (The thickness of the book original must not exceed 30
mm.)
ADF done stamp function No
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Specification/function
T-2-1
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