2 - L - 3
BY-PASS TRAY
PRCB
DCPS1
DCPS2
DCDB
PS23
5VDC
PS23
SGND
5VDC
SGND
PS43
M22 TR1
M22 TR2
M22 TR3
M22 TR4
M22 FEM
M22 DRIVE 1
M22 DRIVE 2
24VDC
PGND
24VDC
PGND
PS43
M22
M22 DRIVE 1
M22 DRIVE 2
M22
(4) M6 VREF (PRCB to DCDB: 7075 only)
M6 current limitation signal (L: ON).
(5) M6 F/R (PRCB to DCDB: 7075 only)
M6 rotational direction switching signal (L: CW
(bypass))
(6) SD11 (PRCB to DCDB to SD11: 7075)
(PRCB to SD11: 7085)
SD11 drive control signal (bypass tray).
[L]: SD11 ON
[H]: SD11 OFF
(7) M6 DRIVE A,A (DCDB to M6: 7075)
(PRCB to M6: 7085)
M6 A-phase drive control pulse signal.
(8) M6 DRIVE B,B (DCDB to M6: 7075)
(PRCB to M6: 7085)
M6 B-phase drive control pulse signal.
[4] Paper Up/down Control
By-pass tray paper is moved up and down by
transmitting the drive force of M22 (up/down (by-
pass)). M22 is controlled by PRCB (printer control
board) via DCDB (DC drive board) (for 7075), or
directly by PRCB (for 7085). Related signals are PS23
(tray upper limit (by-pass tray)) and PS43 (tray lower
limit (by-pass tray)).
1.
Operation
a.Paper up/down control
M22 is turned ON for a fixed time to push up
paper. When PS23 detects the upper limit of
paper and is turned ON, M22 is turned OFF to
stop pushing up paper. When paper is fed and
PS23 is turned OFF, M22 turns ON once more
to maintain the upper limit position of the paper.
b.Paper up timing
(1) ON timing
At start of copying
(2) OFF timing
M22 is turned OFF when PS23 is turned ON.
c.Paper down timing
(1) ON timing
Turns ON when there is no paper or when paper
jaming takes place.
(2) OFF timing
M22 is turned OFF when PS43 is turned ON.
3
METHOD
REPLACEMENT
MODEL
7075/7085
MANUAL
SERVICE HANDBOOK
REVISED EDITION
3
DATE
Jan. 2002
PAGE
2-L-3
For 7085
For 7075
3
Содержание 7075/FORCE 75
Страница 1: ...FEBRUARY 2003 CSM 7075 F75 7085 F85 SERVICE MANUAL MODELS 7075 FORCE 75 7085 FORCE 85...
Страница 2: ......
Страница 3: ...7075 FORCE 75 7085 FORCE 85 SERVICE MANUAL FEBRUARY 2003...
Страница 39: ...OUTLINE 1...
Страница 40: ...Blank page...
Страница 55: ...1 15 MAIN BODY 11 Paper Exit Drive Section FRONT Paper exit roller Paper exit motor M10...
Страница 56: ...1 16 MAIN BODY 12 Toner Supply Drive Toner supply motor 1 M11 FRONT Toner supply motor 2 M15 Toner cartridge...
Страница 58: ...1 18 MAIN BODY 14 Web Drive Section FRONT Web drive motor M16 Cleaning web...
Страница 59: ...UNIT EXPLANATION 2...
Страница 60: ...Blank page...
Страница 62: ...2 A 2 EXTERNAL SECTION Blank page...
Страница 120: ...2 K 6 TRAY 3 PAPER FEED UNIT Blank page...
Страница 126: ...2 L 6 BY PASS TRAY Blank page...
Страница 130: ...2 M 4 VERTICAL PAPER CONVEYANCE SECTION Blank page...
Страница 154: ...2 O 8 FIXING UNIT Blank page...
Страница 165: ...DISASSEMBLY ASSEMBLY 3...
Страница 216: ...3 H 4 TONER SUPPLY UNIT Blank page...
Страница 224: ...3 I 8 CLEANING TONER RECYCLE UNIT Blank page...
Страница 232: ...3 J 8 PAPER FEED UNITS OF TRAYS 1 AND 2 Blank page...
Страница 240: ...3 K 8 TRAY 3 PAPER FEED UNIT Blank page...
Страница 292: ...3 O 18 FIXING UNIT Blank page 3 O 16...
Страница 293: ...MODELS 7075 FORCE 75 7085 FORCE 85 SERVICE SECTION FEBRUARY 2003...
Страница 294: ......
Страница 315: ...ADJUSTMENT 1...
Страница 316: ......
Страница 343: ...1 19 25 ADJUSTMENT Blank page 1 19 2...
Страница 372: ...1 44 25 ADJUSTMENT 1 ADJUSTMENT Blank page...
Страница 458: ...1 114 OTHER ADJUSTMENT Blank page 1 112 2...
Страница 497: ...ISW 2...
Страница 498: ......
Страница 511: ...SERVICE 3...
Страница 512: ......
Страница 514: ...Blank page...
Страница 550: ...3 18 SERVICE Blank page...
Страница 551: ...ELECTRICAL PARTS LIST WIRING DIAGRAMS 4...
Страница 552: ......
Страница 610: ...4 40 Blank page METHOD ADDITION MODEL 7075 7085 MANUAL SERVICE HANDBOOK REVISED EDITION 3 DATE Jan 2002 PAGE 4 34 6...
Страница 611: ...JAM ERROR CODE LIST 5...
Страница 612: ......
Страница 625: ...5 13 JAM CODE LIST Blank page 5 11 2...
Страница 659: ...TIMING CHARTS 6...
Страница 660: ......
Страница 678: ...6 18 TIMING CHARTS Blank page...
Страница 679: ...INSTALLATION INSTRUCTIONS 7...
Страница 680: ......
Страница 692: ...Blank page...
Страница 704: ...Blank page...
Страница 724: ...Blank page...
Страница 730: ...Blank page...
Страница 736: ...Blank page...
Страница 758: ...Blank page...
Страница 780: ...Blank page...
Страница 832: ...Blank page...
Страница 833: ...APPENDIX 7085 OVERALL WIRING DIAGRAM...
Страница 834: ......