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FrameMaker Ver5.5E(PC) CF1501/CF2001 MECHANICAL/ELECTRICAL
00.12.15
M-29
10-4.
Exposure Lamp Control
• The Exposure Lamp is turned ON and OFF by the Scan Start Timing signal (PRE-TRIG)
and Image Request signal (I-REQ) fed from the Master Board and the Lamp ON signal
(LMPON) and Sub-Scanning Area signal (VD) from the Image Processing Board.
• When the Power Switch is turned ON, a misfeed or malfunction is reset, or the door is
opened and closed:
• In Full Size Copying:
Control Signal
WIRING DIAGRAM
LA1
PRE-TRIG (PWB-I PJ18I-6A)
21-G
I-REQ
(PWB-I PJ18I-7B)
LMP-REM (PWB-C PJ2C-9B)
VD
(-)
Power Switch ON
or CPU reset
Under
the Shading Sheet
A
B
C
D
Scanner Motor
(M1)
Exposure Lamp
(LA1)
Scan
Stop
Return
ON
OFF
E
F
4004M067CA
A. Automatically adjusts the clamp value of the CCD Sensor output voltage for black level.
B. Automatically adjusts the intensity of the Exposure Lamp.
C. Automatically adjusts the gain value of the CCD Sensor output voltage for R, G, and B.
D. Readjusts the clamp value of the CCD Sensor output voltage for black level.
E. Readjusts the gain value, as the clamp level has been lowered as a result of readjust-
ment of the clamp value.
F. Corrects the table used for shading correction.
4004M068CA
Image Request Signal
Scan Start Timing Signal
Lamp ON Signal
Exposure Lamp
Sub-Scanning Area Signal
(I-REQ)
(PRE-TRIG)
(LMPON)
(LA1)
(VD)
OFF
ON
Start key ON
Scan
B
A
A: Varies for different paper sizes and zoom ratios.
B: Shading correction
H
L
H
L
H
L
H
L
Содержание CF1501
Страница 3: ...FrameMaker Ver5 5E PC CF1501 CF2001 GENERAL 00 12 15 GENERAL ...
Страница 12: ...FrameMaker Ver5 5E PC CF1501 CF2001 MECHANICAL ELECTRICAL 00 12 15 MECHANICAL ELECTRICAL ...
Страница 129: ...FrameMaker Ver 5 5E PC CF1501 CF2001 DIS REASSEMBLY ADJUSTMENT 00 12 25 DIS REASSEMBLY ADJUSTMENT 18605 ...