Table of Contents
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CHAPTER 1 GENERAL DESCRIPTION
I.
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . l - l
II.
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .
III. A SAFETY INFORMATION..... 1-7
I.
A. Functions.. ........................
System ..............................
Signals ..............................
Output Signals ..................
Operations.. .......................
II.
LASER/SCANNER SYSTEM.. ... 2-7
..............................
B. Scanning Exposure ............
C. Laser Control Circuit.. ....... 2-10
D. Scanner Drive.. ..................
III. IMAGE FORMATION SYSTEM
.
Outline.. ............................
B. Printing Process.. ..............
lV.
PICK-UP/FEED SYSTEM.. ....... 2-27
A. Outline.. ............................
B. Paper Size Detection ......... 2-28
C. Cassette Feed.. ..................
CHAPTER 3 THE MECHANICAL SYSTEM
I.
EXTERNAL8 ...........................
A. Covers and Panels .............
B. Exhaust Fan.. ....................
C. Control Panel Unit.. ...........
II.
DRIVE SYSTEM ......................
A. Drive Unit.. ........................
B. Main Motor.. ......................
CONTENTS
1-2
.................
2- 1
2-2
2-3
2-4
2-6
2-7
2-S
2-13
.
2-15
2-15
2-17
2-27
2-29
3-1
3-1
3-4
3-5
3-6
3-6
3-6
IV.
PARTS OF THE PRINTER . . . . . . . . l-8
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V.
D. Fixing and Delivery Unit.. .. 2-30
E. Paper Jam Detection.. ....... 2-33
V.
OVERALL CONTROL SYSTEM. 2-35
.
Outline.. ............................
B. Operation.. ........................
C. Video Controller PCB.. ....... 2-37
D. Control Panel.. ..................
E. Self-test.. ...........................
F. Status/Error Message.. ...... 2-42
VI.
POWER SUPPLIES ..................
.
Outline.. ............................
B. Protective System .............
VII. ENVELOPE FEEDER ...............
System.. ............................
B. Pick-up/Feed System ........ 2-57
C. Paper Jam Detection.. ....... 2-59
VIII. PAPER FEEDER.. ....................
A. Outline of the Electrical
System ..............................
B. Pick-up/Feed System ........ 2-61
C. Paper Jam Detection.. ....... 2-61
III. PAPER TRANSPORT SYSTEM .. 3-7
A. Paper Pick-up Unit.. ........... 3-7
B. Cassette Pick-up Roller.. .... 3-Q
C. MP Tray Pick-up Roller.. .... 3-Q
D. Separation Pad ..................
E. Paper Delivery Unit ........... 3-10
IV.
EXPOSURE SYSTEM.. .............
1-12
2-35
2-36
2-40
2-41
2-55
2-56
2-55
2-56
2-56
2-60
2-60
3-10
3-l 1
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