2A3/4
1-3-21
Print key
SM
Fwd. rotation
Rev. rotation
SHPSW
FVSYNC signal
A
B
410 P
414 P
9921 P
110 P
C
D
Manual copy density control, copy paper: A3/11"
×
17", magnification ratio 100%
Timing chart 1-3-4
Scanner operation
A
When the print key is pressed, the scanner motor (SM) reverses for 410 pulses and
then rotates forward.
B
414 pulses after the scanner motor rotates forward, the FVSYNC signal turns on for
9921 pulses for scanning.
C
The scanner motor (SM) reverses to return the scanner to the home position.
D
110 pulses after the scanner home position switch (SHPSW) turns on, the scanner
motor (SM) turns off, and the scanner stops at its home position.
Summary of Contents for Ri 4230
Page 3: ...SERVICE MANUAL Ri 4230 5230 ...
Page 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Page 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Page 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
Page 119: ......
Page 138: ......
Page 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Page 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...