Canon NP-2120 User manual

SERVCE
MANUAL
(for 220/24OV]
REVN~N 2
._
canon
DEC. 1992
FY8-13AM-020
COPYRIGNI 0 1992 CANON ING. CANON NPZl20/2020
REY.2 LIEC. 1992 PRINTEO IN JAPAN {IMPRIME AU JAPONI d
L- __-- -.. - .)_

COPYRIGHT 0 1992 CANON INC.
Printed in Japan
Imprime au Japon
TI ”
disclosure of confidential in-
Prepared by
COPYING MACHINE TECHNICAL INFORMATION DEPT. .
COPYING MACHINE TECHNICAL INFORMATION DIV.
CANON INC.
890.12, Kashimada, Saiwai-ku, Kawasaki-shi, Kanagawa 211 Japan
COPYAIGHT 0 1992 CANON IHC. CANON
NP212012MO REY.1 JAN.1992 PAINTEU IN JAPAN IIMPAIME AU JAPUNI d

INTRODUCTION
This SERVICE MANUAL is intended to provide the serviceman with a basic knowledge of the NP21 20/2020
and has been compiled to serve as a handy referente for his work in the field.
The NP21 20/2020 is designed to accommodate the following for fully automated copy work:
1. Sorter-Al, MS-AI
2. ADF-AI
3. Paper Deck Pedestal
4. Control Card V
A separate service manual is made available for the Sorter-Al, MS-Al, ADF-Al, and Control Card; see the
respective manuals for discussions of each.
In CHAPTER 1 GENERAL DESCRIPTION, a brief discussion of the NP2120/2020’s features, diagrams of
its parts, and an explanation of its operation are given.
CHAPTER 2 COPYING PROCESS deals with the innerworkings of the NP2120/2020 which are associated
with the generation of copies.
CHAPTER 3 OPERATIONS AND TIMING explains how the NP2120/2020’s electrical and mechanical
systems are related to each other with respect to functions and timing of operations.
In CHAPTER 4 MECHANICAL SYSTEM. the NP2120/2020’s mechanical system is discussed as to its
operation. disassembly, reassembly, and adjustment.
CHAPTER 5 INSTALLATION gives step-by-step instructions for installing the NP2120/2020 together with
checks to make for each step.
CHAPTER 6 MAINTENANCE AND SERVICING contains tables of replacement parts and consumables.
In addition to the above chapters, this SERVICE MANUAL contains a set of appendixes consisting of a
general timing chart and general circuit diagrams.
A separate document entitled SERVICE HANDBOOK is also available for troubleshooting problems in the
NP2120/2020.
Note:
The contents of this manual may be updated from time to time to reflect improvements rendered to the NP2120/
2020; a Setvice Information Bulletin will be issued as necessary to cover majar changes.
All servicemen are expected to be thoroughly familiar with the information contained in this manual, SERVICE
HANDBOOK, and Service Information Bulletins, for quick response to the user’s needs.
COPYAIGHT Cc 1992 CANON INC. CANON
HPZlZO/ZMO RN.1JAH. 1592 PAIHTED IN JAPAH IIMPAIME AU JAPONI

SERVICE INFORMATION
Issued by Copying Mach& Quallty Assurance Cerner. Canon Inc
MOOEL:
NO. : F-E92-043
DATE: 1992, DEC.
LOCATION
SUBJECT
Document Release
NP2020 SERVICE MANUAL For 220/24OV
The SERVICE MANUAL for the NP2020 has been revised to accommodate the
introduction of the NP2120.
AH those concemed are hereby requested to discard the old SERVICE MANUAL
and use the document attached for purposes for which the document is intended.
FY8-13AM-02Y
Printed in Japan
Imprimé au Japon

REVISIONPAGELIST
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S: Supplement, MODEL : NP21 20/2020
D: Destroyed,
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CHAP
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RJZVISION
CHAP
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MAY JAN. DEC.
rm PA
GE MAY JAN. DEC.
1990 1992 1992 1990 1992 1992
1 1 0 + 1R 3 3 0 + 1R
3 lo++ 31 0 + -t
2 0 -t + 32 0 + +

REVISIONPAGELIST
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MODEL : NP2 120/2020
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CHAP
REVISION
CHAP
.JXR PA
I-ER PA
REVISION
MAY JAN. DEC.
GE 1990 1992 1992 MAY JAN.
DEC.
GE 1990 1992 1992
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35 0 -t +
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37 0 + + 2 0 -t 1R
38 0 1R -t 3 0 1R -t
39 0 + -t 4 0 1R +
40 0 -t + 5 0 1R -f
41 0 + -t 6 0 + 1R
42 0 -t + 70++
42a - - os so++
42b - - OS
>
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43 0 1R + 10 0 1R -t
44 0 -t 1R 11 0 -t -t
45 0 + 1R 12 0 + +
46 0 -t 1R 13 0 + -t
47 0 -t -)
47a - - OS
47b - - OS
47c - - os
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48 0 -t +
49 0 + + 17 0 -f +
50 0 + -t 18 0 + -t
51 0 + + 19 0 + +
52 0 -t + 20 0 + -P
53 0 -t + 21 0 + -t
54 0 + 1R 22 0 + +
55 0 1R + 23 0 -t -t
56 0 + + 24 0 -t +
57 0 1R 2R 25 0 + -+

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MODEL : NP2 120/2020
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24 -
OS 1R
24a - - OS
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25 0 + -t
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29 0 -f +
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31 0 -t 1R
32 - - -
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+
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3P 0 + +
4P 0 + +
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7P 0 + +
4 1P 0 +
+
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2P 0 + +
3P 0 + +
4P - --
5P 0 + +