Canon imagePRESS C1 Service Manual - page 282
Chapter 5
5-3
5.1.3 Construction of the Control System
0012-9668
imagePRESS C1 / Color Image Reader-H1 / imagePRESS C1+ (Printer) / imagePRESS C1+
The following shows the construction of the control system of the original exposure system:
F-5-4
5.1.4 Reader Controller PCB
0012-9669
imagePRESS C1 / Color Image Reader-H1 / imagePRESS C1+ (Printer) / imagePRESS C1+
The following shows the functional construction of the reader controller PCB:
F-5-5
T-5-3
Jack No
Description
J201
used for the power from the machine (printer unit).
J202
used for the power from the machine (printer unit).
J312
J303
J306
J309
J203
J204
J601
J202
J602
J205
J206
J308
J201
J209
J307
J312
Inverter PCB
Original scanning lamp
Original scanning lamp
activation control
CCD unit
Scanner motor
Scanner motor
drive control
Scanner
HP sensor
Reader controller
PCB
Interface
PCB
To printer
(main controller)
To ADF
J203
J202
J210
J209
IC1
(CPU)
IC2
J201
DF
J204
J207
J205
J206
J208
IC3
Original
size sensor
(AB-configuration)
CCD unit
Inverter
PCB
DC24V
DC13V
DC5V
DC3.3V
Printer
unit
Scanner motor
Not used
Not used
IC4
Original
size sensor
(inch-configuration)
(dotted line): back
Image processing
(shading correction)
Stores firmware
(flash ROM)
Backs up service
mode settings
(EEPROM)