Citizen CMP-20 User manual

Service Manual
MOBILE THERMAL PRINTER
MODEL CMP-20
Rev. 1.02 Issued on January 2013
With CSE Part Numbers.

CMP-20 Service Manual
REVISION HISTORY
REVISION DATE APPROVAL CHANGE
01
02
03
07 / 01 / 2010
01 / 10 / 2010
24 / 01 / 2013
Initial Release
Use CSE Part Numbers
Minor correction

CMP-20 Service Manual
TABLE OF CONTENTS
REVISION HISTORY ........................................................................................... 3
TABLE OF CONTENTS...................................................................................... 4
1. Disassembly and Assembly ............................................................................. 5
2. Parts List .......................................................................................................... 6
3. Circuit Diagram .............................................................................................. 24

CMP-20 Service Manual
1. Disassembly and Assembly
1. How to Separate Lower Housing
1-1) Unfasten 4 screw as shown in the figure and separate the Lower Housing
2. How to separate Upper Housing
2-1) Disassemble it as indicated way
3. Separate Paper Tray
3-1) Unfasten 4 screw as shown in the figure and separate the Paper Door
4. Separate IC Card Frame asm
4-1) Unfasten 4 screw as shown in the figure and separate the Bottom Cover
5. How to separate Top Cover
5-1) Unfasten 5 screw as shown in the figure and separate the Mechanism Unitr

CMP-20 Service Manual
2. Parts List
PARTS LIST
CMP-20 TOTAL EXPLODE VIEW
No. Symbol Parts No. Description Q’ty Remarks
001 1 PM20AS-B005 LOWER HOUSING ASM 1
002 (1-1) TB 2.6 X 10 SCREW 2
003 (1-2) M 2.6 X 20 SCREW 2
004 (1-3) PM20MD-C008 NECK HOOK 2
005 2 PM20AS-B004 UPPER HOUSING ASM 1
006 (2-1) TB 2.6 X 6 SCREW 2
007 3 PM20AS-B002 PAPER TRAY ASM 1
008 (3-1) TB 2.6 X 6 SCREW 4
009 4 PM20AS-B003 IC CARD ASM 2
010 (4-1) TB2.0 X 6 SCREW 2
011 5 PM20AS-B001 TOP COVER ASM 1
012 (5-1) PM20CT-C001 SHAFT 1

CMP-20 Service Manual
EXPLODE VIEW
TOP COVER ASM PARTS LIST
CMP-20 EXPLODE VIEW
No. Symbol Parts No. Description Q’ty Remarks
013 1 PM20MD-C003 TOP COVER 1
014 2 PM20MD-C005 WINDOW 1
015 3 PM20DG-C001 MECHNISM ASSEMBLY INCLUDING
PLATTEN ROLLER 1
016 4 TB 2.6 X 5 PH SCREW 4 BLACK

CMP-20 Service Manual
EXPLODE VIEW

CMP-20 Service Manual
PAPER TRAY ASM PARTS LIST
CMP-20 EXPLODE VIEW
No. Symbol Parts No. Description Q’ty Remarks
017 1 PM20MD-C004 PAPER TRAY 1
018 2 PM20DG-C002 MSR ASSEMBLY 1 OPTION
019 3 PM20DG-C001 MECHNISM ASSEMBLY INCLUDING
PLATTEN ROLLER 1
020 4 PM20PS-C002 LIFT SPRING 2
021 5 PM20CT-C002 CABLE SPACER 1
022 6 PM20WH-C001 CABLE GND 1
023 7 PM20CT-C003 SPRING BUTTON 1
024 8 PM20WH-C003 CABLE MSR 1
025 9 TB 2.0 X 8 (WASHER) SCREW 3
026 10 TB 2.0 X 6 SCREW 1

CMP-20 Service Manual
EXPLODE VIEW
IC CARD FRAME ASM PARTS LIST
CMP-20 EXPLODE VIEW
No. Symbol Parts No. Description Q’ty Remarks
027 1 PM20MD-C006 IC CARD FRAME 1
028 2 PM20DG-C003 PCB BLUETOOTH
Or PCB WIFI 1
029 3 PM20DG-C003 PCB IC CARD ASSEMBLY 1
030 4 TB 2.0 X 6 SCREW 4
031 5 PM20WH-C004 CABLE IC CARD 1 OPTION
032 6 PM20WH-C002 CABLE BLUETOOTH 1

CMP-20 Service Manual
EXPLODE VIEW