Canon FINISHER-C1, SADDLE FINISHER-C2 Service Manual

COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV . 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
FINISHER-C1/ SADDLE FINISHER-C2
SERVICE MANUAL
REVISION 0
DEC. 1998
FY8-13F6-000
COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV . 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
IMPORTANT
THE INFORMATION CONTAINED HEREIN PUBLISHED BY CANON, INC., JAPAN. SPECIFICA TIONS AND O THER INFORMA TION CONTAINED WHEREIN MA Y SLIGHTL Y FR OM ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER.
ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DI­RECTED TO THE COPIER SERVICE DEPARTMENT OF THE COMPANY.
COPYRIGHT © 1998 CANON INC.
Printed in Japan
Imprimé au Japon
Use of this manual should be strictly super­vised to avoid disclosure of confidential in­formation.
Prepared by
OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPARTMENT 1
OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION
CANON INC.
5-1, Hakusan 7-chome, Toride-shi Ibaraki, 302-8501 Japan
COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU J APON)
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This Service Manual contains basic data and figures for the Finisher-C1/Saddle Fin-
isher-C2 needed to service the machine in the field. Chapter 1 ‘General Description’ introduces the finisher’s features, specifications, and
names of parts, and shows how to operate the sorter.
Chapter 2 ‘Finisher Unit Basic Operation’ discusses the principles of operation used for
the finisher mechanical and electrical systems. It also explains the timing at which these systems are operated.
Chapter 3 ‘Saddle Stitcher Unit Basic Operation’ discusses the principles of operation
used for the saddle stitcher unit’s mechanical and electrical systems. It also explains the timing at which these systems are operated.
Chapter 4 ‘Mechanical System’ discusses how the finisher is constructed mechanically,
and shows how it may be disassembled/assembled and adjusted.
Chapter 5 ‘Maintenance and Inspection’ provides tables of periodically replaced parts
and consumables and durables, together with a scheduled servicing chart.
Chapter 6 ‘Troubleshooting’ provides tables of maintenance/inspection, standards/ad-
justments, and problem identification (image fault/malfunction). ‘Appendix’ contains diagrams showing tables of signals, tables of solvents/
oils, and a general timing chart.
The descriptions in this Service Manual are subject to change without notice for prod­uct improvement or other purposes, and major changes will be communicated in the form of Service Information bulletins.
All service persons are expected to have a good understanding of the contents of this Service Manual and all relevant Service Information bulletins and be able to identify and isolate faults in the machine.
INTRODUCTION
COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU J APON)
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CHAPTER 1 GENERAL DESCRIPTION
CONTENTS
I. FEATURES ..................................1-1
II. SPECIFICATIONS .......................1-2
A. Specifications ...........................1-2
B. Cross Section ...........................1-7
III. USING THE MACHINE ................1-9
A. Removing Paper Jams from
the Finisher Unit .......................1-9
B. Supplying the Finisher Unit
with Staples ........................... 1-10
C. Removing Staple Jams from
the Finisher Unit .................... 1-11
D. Removing Paper Jams from
the Saddle Sticher Unit.......... 1-13
E. Supplying the Saddle Stitcher
Unit with Staples.................... 1-14
F. Removing Staple Jams from
the Saddle Stitcher Unit......... 1-15
G. Removing Paper Jams from the
Interrupt Tray.......................... 1-17
IV. MAINTENANCE BY THE USER1-18
A. Maintenance by the User ...... 1-18
I. BASIC OPERATION ....................2-1
A. Outline ...................................... 2-1
B. Outline of Electr ical
Circuitry .................................... 2-2
C. Inputs to and Outputs
from the Finisher
Controller PCB..........................2-3
II. FEED/DRIVE SYSTEM................2-9
A. Outline ...................................... 2-9
B. Types of Delivery Paths ......... 2-13
C. Feeding and Delivering.......... 2-16
D. Job Offset .............................. 2-19
E. Stapling Operation................. 2-22
F. Stapler Unit............................ 2-28
G. Tray Operation ....................... 2-35
H. Detecting the Height of the Stack
on the Tray ............................. 2-37
I. Shutter Operation .................. 2-39
J. Buffer Path Operation............ 2-43
K. Interrupt Tray Delivery ............ 2-47
L. Detecting Jams...................... 2-49
III. POWER SUPPLY SYSTEM...... 2-55
CHAPTER 2 FINISHER UNIT BASIC OPERATION
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I. BASIC OPERATION ....................3-1
A. Outline ...................................... 3-1
B. Electr ical Circuitr y.....................3-2
C. Inputs to and Outputs
from the Saddle Stitcher
Controller PCB..........................3-3
II. FEEDING/DRIVE SYSTEM .........3-8
A. Outline ...................................... 3-8
III. PAPER DEPOSITING
MECHANISM ............................ 3-14
A. Outline ................................... 3-14
B. Controlling the Inlet
Flappers................................. 3-17
C. Controlling the Movement
of Sheets................................ 3-21
D. Aligning the Sheets ............... 3-22
E. Controlling the Phase of
the Crescent Roller................ 3-25
IV. STITCHING SYSTEM............... 3-27
V. FOLDING/DELIVERY
SYSTEM ................................... 3-30
VI. CHECKING FOR A JAM........... 3-35
VII. POWER SUPPLY...................... 3-39
CHAPTER 3 SADDLE STITCHER UNIT
BASIC OPERATION
(A) FINISHER UNIT...........................4-1
I. EXTERNALS AND
CONTROLS .................................4-1
A. Exter nal Covers ........................4-1
II. FEEDING SYSTEM .....................4-8
III. PCBs ......................................... 4-15
(B) SADDLE STITCHER UNIT ....... 4-16
CHAPTER 4 MECHANICAL CONSTRUCTION
I. PERIODICALLY REPLACED PARTS
..................................................... 5-1
A. Finisher Unit .............................5-1
B. Saddle Stitcher Unit..................5-1
II. CONSUMABLES AND
DURABLES..................................5-1
A. Finisher Unit .............................5-1
B. Saddle Stitcher Unit..................5-1
III. PERIODICAL SERVICING .......... 5-1
CHAPTER 5 MAINTENANCE AND INSPECTION
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I. ADJUSTMENTS ..........................6-1
A. Electr ical System
(finisher unit).............................6-1
B. Electr ical System
(saddle stitcher unit) .................6-3
II. ALIGNMENT OF ELECTRICAL
PARTS..........................................6-8
A. Finisher Unit .............................6-8
B. Saddle Stitcher Unit............... 6-14
C. Variable Resistors (VR),
Light-Emitting Diodes (LED),
and Check Pins by PCB ........ 6-20
III. TROUBLESHOOTING .............. 6-22
A. Finisher Unit .......................... 6-22
B. Saddle Stitcher Unit............... 6-30
VI. SELF DIAGNOSIS .................... 6-37
A. Finisher Unit .......................... 6-37
B. Saddle Stitcher Unit............... 6-39
C. Alarm ..................................... 6-41
D. Copier I/O Notations.............. 6-43
CHAPTER 6 TROUBLESHOOTING
APPENDIX
A. Finisher Unit General Timing
Chart ........................................... A-1
B. Finisher Unit General Timing
Chart ........................................... A-2
C. Saddle Stitcher Unit General
Timing Chart ............................... A-3
D. Signal and Abbreviations ............ A-4
E. Finisher Unit General Circuit
Diagram....................................... A-5
F. Saddle Stitcher Unit General
Circuit Diagram ........................... A-6
G. Solvents and Oils ........................ A-7
COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV . 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 1
GENERAL DESCRIPTION
I. FEATURES .................................. 1-1
II. SPECIFICATIONS .......................1-2
A. Specifications ............................. 1-2
B. Cross Section .............................1-7
III. USING THE MACHINE ................1-9
A. Removing Paper Jams from
the Finisher Unit .........................1-9
B. Supplying the Finisher Unit
with Staples ............................. 1-10
C. Removing Staple Jams from
the Finisher Unit ...................... 1-11
D. Removing Paper Jams from
the Saddle Sticher Unit ........... 1-13
E. Supplying the Saddle Stitcher
Unit with Staples ..................... 1-14
F. Removing Staple Jams from
the Saddle Stitcher Unit .......... 1-15
G. Removing Paper Jams from the
Interrupt Tray ........................... 1-17
IV. MAINTENANCE BY THE USER1-18
A. Maintenance by the User ........ 1-18
COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU J APON)
1-1
CHAPTER 1 GENERAL DESCRIPTION
I. FEATURES
1. Accommodates large quantities of sheets
Normally , the finisher holds a stack of sheets 220.6 mm in height in its three bins (small­sized paper of 80 g/m2; no stapling).
2. Has high paper transportation performance.
The finisher is capable of handling papers between 50 and 157 g/m2.
3. Offers a job offset function.
The finisher’ s job of fset function deli v ers the f irst or the last sheet of each job by displacing it to the front, enabling sorting of copies on the tray.
4. Offers four types of auto stapling.
The finisher offers a choice of four stapling modes (1-point stapling at rear, diagonal sta­pling at front, diagonal stapling at rear, 2-point stapling).
5. Uses a buffer roller.
The use of a buffer roller enables the finisher to accept copies without interruption from the copier even during stapling or offset operation (small-size paper only).
6. Offers an interrupt delivery function.
Installation of the interrupt delivery tray will enable an interruption of an ongoing op­eration (up to 50 copies of small-size paper or up to 30 copies of large-size paper; both of 80 g/m
2
).
7. Has a saddle stitch function (Saddle Finisher-C2).
The finisher can staple along the center of paper and fold it in two (up to 15 sheets).
8. Offers an incoming fax indicator (option).
When installed, the incoming fax indicator lamp (LED) will turn on to indicate the arrival of a fax on tray 2/3.
COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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CHAPTER 1 GENERAL DESCRIPTION
Description
Trays 1 through 3: by lifting tray Interrupt tray: by fixed tray
Face-down Face-up (1 to n copies only)
AB: A3, A4, A4R, A5, A5R, B4, B5, B5R, postcard Inch: 279 × 432 mm (11 × 17), LGL, LTR, LTRR, STMT, STMTR
50 to 128 g/m
2
Interrupt tray, trays 1 through 3 Non-sort: trays 1 through 3 and interrupt tray
Sort: trays 1 through 3 Staple: trays 1 through 2
Interrupt tray Small size: 50 sheets
Large size: 30 sheets
Non staple sort Small-size Tray 1: 44 mm high (300 sheets)
(Note 1)
Tray 2: 146.6 mm high (1000 sheets)
(Note 2)
Tray 3: 30 mm high (200 sheets)
Large-size Tray 1: 22 mm high (100 sheets)
(Note 1)
Tray 2: 74 mm high (500 sheets) Tray 3: 15 mm high (100 sheets)
Staple sort Small-size Tray 1: 47 mm high/50 sets (300 sheets)
(Note 1)
Tray 2: 146.6 mm high/50 sets (1000 sheets) Tray 3: Not possible
Large-size Tray 1: 22 mm high/30 sets (150 sheets)
(Note 1)
Tray 2: 74 mm high/30 sets (500 sheets) Tray 3: Not possible
Size mixing: 44 mm or less (300 sheets) Stapling: 22 mm or less (150 sheets)
Face-up/face-down
II. SPECIFICATIONS
A. Specifications
1. Finisher Unit
Item
Stacking method
Stacking orientation
Stacking size
Paper weight Bins Modes
Stacking capacity
Size mixing
Stacking mixing
Notes:
1. Approximate when computed with reference to 80 g/m
2
paper.
2. Alignment may not be correct if 750 or more small-size sheets are stacked on tray 2.
3. The accuracy of the stack height is ±7 mm.
Table 1-201
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CHAPTER 1 GENERAL DESCRIPTION
Description
By rotating cam See Figure 1-201. Small-size 50 sheets Large-size 25 sheets Special staple cartridge (5000 staples) Special (staple-E1) Provided Not provided 1-point (diagonal) Front A3, B4, A4m, A4R, B5, 279 × 432 mm
(11 × 17), LGL, LTR, LTRR
Rear A3, B4, A4, A4R, B5, 279 × 432 mm (11 × 17),
LTR 1-point Rear A4R, LTRR, LGL 2-point A3, B4, A4, B5, 279 × 432 mm (11 × 17), LTR Trays 1 through 3: provided Interrupt tray: not provided Not provided Incoming fax indicator lamp (option) 669 × 582 × 1047 mm (W × D × H; including saddle stitcher unit) 45 kg (including saddle stitcher unit) From copier (24 VDC) 170 W or less
ZLJXXXXX (Finisher-C1)
Table 2-202
Item
Stapling Stapling position Stapling capacity
Staple supply Staples Staple detection Manual stapling Stapling size
Paper detection Control panel Display Dimensions Weight Powr supply Maximum power
consumption Serial number
Equivalent of 80 g/m2 paper
Reference:
Small-size represents A4, A5, A5, B5, postcard, LTR, STMT, STMTR, while large-size represents A3, B4, A4R, B5R, LTRR, 279 × 432 mm (11 × 17), LGL.
COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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CHAPTER 1 GENERAL DESCRIPTION
Stapling Positions (finisher unit)
6±2mm
5±2mm
5±2mm
82.7±4mm
202.7±4mm
4.5±2mm
30
4.4±2mm
6±2mm
30
4±2mm
5±2mm
62.7±4mm
182.7±4mm
5±2mm
73.7±4mm
193.7±4mm
1-point stapling (rear)
2-point stapling
A3 and A4 B4 and B5 279 × 432 mm
(11 × 17), LTR
1-point stapling (diagonal; front)
1-point stapling (diagonal; rear)
Figure 1-201
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CHAPTER 1 GENERAL DESCRIPTION
Table 2-203
Description
Center binding (double folding) See Figure 1-202. A3, B4, AR4, 297mm × 432mm (11 × 17), LTRR 15 sheets (including single cover page) 64 to 80 g (cover page up to 128 g) 10 sets (stack of 11 to 15 sheets), 20 sets (stack of 6 to 10 sheets),
25 sets (stack of 5 sheets or less) Stapling position 2 points (center distribution; fixed interval) Staple accommodation 2000 staples Staple supply Special cartridge Staples Special staples (Staple-D1) Staple detection Provided Manual stapling Not provided Folding method Roller contact Folding mode Double folding Folding position Paper center Position adjustment Provided From finisher unit
(24 V channel × 2) 160 W or less ZLKxxxxx (Saddle Finisher-C2)
Item
Stapling method Folding position Paper size Capacity Paper weight Stackihng capacity
Stapling
Folding
Power supply
Power consumption Serial number
2. Saddle Stitcher Unit
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CHAPTER 1 GENERAL DESCRIPTION
Staple and Folding Positions (saddle stitcher unit)
83.5±1.5mm
203.5±1.5mm
210±1.5mm
A3
Staple position
Stack front edge L (difference between folding and staple positions) =
±0.5mm
L
63.5±1.5mm
183.5±1.5mm
182±1.5mm
B4
L (difference between folding and staple positions) =
±0.5mm
L
40±1.5mm
160±1.5mm
148.5±1.5mm
A4R
L (difference between folding and staple positions) =
±0.5mm
L
43±1.5mm
163±1.5mm
139.7±1.5mm
LTR
L (difference between folding and staple positions) =
±0.5mm
L
74.7±1.5mm
194.7±1.5mm
216±1.5mm
297mm 432mm
(11 17)
L (difference between folding and staple positions) =
±0.5mm
L
Folding position
Figure 1-202
Specifications are subject to change without notice.
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CHAPTER 1 GENERAL DESCRIPTION
B. Cross Section
1. Finisher Unit
[1] Tray 1/2/3 [2] Shutter [3] Delivery roller [4] Jog guide [5] Feed roller 2 [6] Height sensor [7] Interrupt tray [8] Incoming fax indicator lamp
(option; 115V) [9] Wrap flapper [10] Buffer roller
[11] Interrupt flapper [12] Buffer inlet flapper [13] Saddle stitcher flapper [14] Feed roller 1 [15] Vertical path [16] Stapler [17] Feed belt [18] Tray lift motor [19] Saddle stitcher unit (Saddle Finisher-C2)
Figure 1-203
COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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CHAPTER 1 GENERAL DESCRIPTION
2. Saddle Stitcher Unit
[1] Guide plate [2] Folding roller [3] Delivery guide plate [4] Holding roller [5] Stitcher (front, rear) [6] Inlet roller
[7] No. 1 flapper [8] No. 2 flapper [9] Stitcher mount (front, rear) [10] Butting plate [11] Crescent roller [12] Paper positioning plate
Figure 1-204
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CHAPTER 1 GENERAL DESCRIPTION
III. Using the Machine
A. Removing Paper Jams
from the Finisher Unit
If the copier indicates the finisher paper jam message, perform the following to remove the jam.
1) Holding the finisher unit as shown, move
it to detach it from the copier.
Figure 1-301
2) Remove any jam visible from the outside.
Figure 1-302
3) Shift up the interrupt tray, open the upper cover , and check the inside of the f inisher.
Figure 1-303
4) Lift the buf fer roller cover , and remov e the jam.
Figure 1-304
5) Lift the buffer roller, and remove the jam.
Figure 1-305
COPYRIGHT © 1998 CANON INC. FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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CHAPTER 1 GENERAL DESCRIPTION
6) Return the buf fer roller and the gray cov er to their original position, and close the up­per cover and the interrupt tray.
Figure 1-306
7) Connect the finisher to the copier.
Figure 1-307
8) Operate as instructed on the display.
B. Supplying the Finisher
Unit with Staples
If the copier indicates the finisher unit
staple supply message, perform the following to supply it with staples.
Figure 1-308
2) Shift down the green lever.
Figure 1-309
3) When the staple cartridge has slightly slid out, hold and pull it out.
Figure 1-310
4) Hold the empty staple case on its sides, and slide it out.
Figure 1-311
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CHAPTER 1 GENERAL DESCRIPTION
5) Set a new staple case.
Figure 1-312
Reference:
You may set no more than one staple cartridge at a time. Make sure that the new cartridge is one specifically designed for the finisher unit.
6) Pull the length of tape (used to hold the staples in place) straight out.
Figure 1-313
7) Push in the stapler unit until the green le­ver returns to its original position.
Figure 1-314
8) Check to make sure that the stapler has been locked in place, and close the front cover.
Figure 1-315
C. Removing Staple Jams
from the Finisher Unit
If the copier indicates the finisher unit
staple jam message, perform the following to remove the jam.
1) Remove the stack waiting to be stapled from the delivery tray.
Figure 1-316
2) Open the front cover.
Figure 1-317
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CHAPTER 1 GENERAL DESCRIPTION
3) Shift down the green lever.
Figure 1-318
4) When the staple cartridge has slightly slid out, hold and pull it out.
Figure 1-319
5) Shift down the tab on the staple cartridge.
Figure 1-320
6) Remove all staples that ha ve slid out of the staple case.
Figure 1-321
7) Return the tab on the staple cartridge to its original position.
8) Return the staple cartridge to its original position, and close the front cover.
Figure 1-322
Reference
When the cover has been closed, the stapler unit will automatically execute idle punching several times to advance the staples.
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CHAPTER 1 GENERAL DESCRIPTION
D. Removing Paper Jams
from the Saddle Sticher Unit (Saddle Finisher-C2)
If the copier indicates the saddle stitcher unit paper jam message, perform the following to remove the jam.
1) Holding the saddle stitcher unit as shown,
move it to detach it from the copier.
Figure 1-323
2) Open the front lower cover.
Figure 1-324
3) Turn the knob on the right side.
Figure 1-325
4) Turn the knob on the left side.
Figure 1-326
5) Remove the jam.
Figure 1-327
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CHAPTER 1 GENERAL DESCRIPTION
6) Open the inlet cover, and remove the jam.
Figure 1-328
7) Close the front lower cover.
Figure 1-329
8) Connect the finisher unit.
9) Operate as instructed on the display.
E. Supplying the Saddle
Stitcher Unit with Staples (Saddle Finisher-C2)
If the copier indicates the saddle stitcher unit staple supply message, perform the follow­ing to supply it with staples.
1) Open the front lower cover.
Figure 1-330
2) Slide out the stitcher unit.
Figure 1-331
3) Pull the stitcher unit to the front once, and
then shift it up.
Figure 1-332
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CHAPTER 1 GENERAL DESCRIPTION
4) Hold the empty cartridge on its sides, and remove it.
Figure 1-333
5) Fit the new cartridge.
Figure 1-334
Caution:
You must always replace both cartridges at the same time.
6) Pull the stitcher to the front once, and then put it back to its original position.
Figure 1-335
7) Push in the stitcher unit, and close the front cover .
Figure 1-336
F. Removing Staple Jams
from the Saddle Stitcher Unit (Saddle Finisher-C2)
If the copier indicates the saddle stitcher
unit staple jam message, perform the follow­ing to remove the jam.
1) Open the front lower cover.
Figure 1-337
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CHAPTER 1 GENERAL DESCRIPTION
2) Slide out the stitcher unit.
Figure 1-338
3) Pull the stapler of the stitcher unit to the front once, and then shift it up.
Figure 1-339
4) Hold the cartridge on its sides, and remove it.
Figure 1-340
5) Push down on the area identif ied as A, and pull up the tab identified as B.
A
B
Figure 1-341
6) Remove the staple jam, and return the tab to its original position.
Figure 1-342
7) Return the cartridge to its original position.
Figure 1-343
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CHAPTER 1 GENERAL DESCRIPTION
8) Pull the stitcher of the stitcher unit to the front once, and then return it to its original position.
Figure 1-344
9) Push the stitcher unit back to its original position, and close the front lower cover.
• Whenev er you have remov ed a staple jam, be sure to execute staple edging.
Figure 1-345
G. Removing Paper Jams
from the Interrupt Tray
If the display indicates a paper jam on the interrupt tray , perform the following to remove the jam:
1) Hold the finisher as shown, and detach it
from the copier.
Figure 1-346
2) Remove the jam.
Figure 1-347
3) Connect the finisher to the copier.
4) Operate as instructed on the display.
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CHAPTER 1 GENERAL DESCRIPTION
IV. MAINTENANCE BY THE USER
A. Maintenance by the User
As of April 1998
No.
1 2
Timing
When the appropriate indication is made on the copier’s display.
Item
Replacing the staple cartridge (finisher unit) Replacing the staple cartridge (saddle stitcher)
Caution:
The finisher unit and the saddle unit use different cartridge types. Be sure that the appropriate type is used for each.
Table 1-401
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CHAPTER 2
FINISHER UNIT B ASIC OPERATION
I. BASIC OPERATION................... 2 -1
A. Outline .................................. 2-1
B. Outline of Electr ical
Circuitry ................................ 2-2
C. Inputs to and Outputs
from the Finisher
Controller PCB ..................... 2-3
II. FEED/DRIVE SYSTEM .............. 2-9
A. Outline .................................. 2-9
B. Types of Delivery Paths..... 2-13
C. Feeding and Delivering ..... 2-16
D. Job Offset .......................... 2-19
E. Stapling Operation ............ 2-22
F. Stapler Unit........................ 2-28
G. Tray Operation................... 2-35
H. Detecting the Height of the
Stack on the Tray............... 2-37
I. Shutter Operation.............. 2-39
J. Buffer Path Operation........ 2-43
K. Interrupt Tray Delivery ........ 2-47
L. Detecting Jams .................. 2-49
III. POWER SUPPLY SYSTEM .... 2-55
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