Canon 1730, Service Manual

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Technical Explanation > Original Exposure and Feed System > Construction > Specifications/controls/functions
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 Specification/function
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
direction
Image is processed on main controller PCB.
Sub scanning
direction
Image is processed on main controller PCB.
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
detection
In book mode Main scanning direction: by reflection sensor (AB/Inch)
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
original
1-sided AB: 42 to 128 g/m2
Inch: 50 to 128 g/m2
2-sided 50 to 128 g/m2
Color original 64 to 128 g/m2
B/W or Color
mixed original
50 to 128 g/m2 (Color: 64 to 128 g/m2)
Original longer
than 432mm
60 to 90 g/m2 (1-sided, 1-sheet feeding)
Item Specification/function
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
function
Yes (standard size)
ADF mixed
original mode
function
Mix of same
configuration
mode
Yes (weight of original same as continuous feed mode)
Assured combination for mix with same configuration
A5/A4R, STMT/LTRR/LGL
Mix of different
configuration
mode
No
Book original Yes (The thickness of the book original must not exceed 30
mm.)
ADF done stamp function No
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