Lukhan WTP-150 User manual

SERVICE MANUAL
WTP-150
THERMAL RECEIPT PRINTER
Document 040512C
Revision : 01
MAY 12, 2004

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WTP-150 SERVICE MANUAL
REVISION HISTORY
REVISION DATE APPROVAL CHANGE
01 05 / 12 / 2004 - Initial Release

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WTP-150 SERVICE MANUAL
SPECIFICATION APPROVAL
APPROVED BY TITLE DATE SIGNATURE
Yong W. Kim Executive Director
Byong O. Lee Director, Administration
Ki D. Song Director, R&D
Ki C. Moon Senior Engineer
Kwang J. Choi Engineering
manager/Hardware
Jang W. Jung Engineering
manager/Firmware
Jong K. Choi Engineering manager/
Mechanic
Kang Won Lee Sales
Manager/International
Hyung K. Kim Sales
Manager/Domestic
.Sang H. Lee Purchasing manager
Hyo H. Yu Production Engineer
Dae S. Yang Material Dept.
Hong K. Yoon Q.C Manager

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WTP-150 SERVICE MANUAL
TABLE OF CONTENTS
1. Disassembly and Assembly ……………………………………………………………….……………….. 5
2. Parts List …………………………………………………………………………………….……………….. 8
3. Circuit Diagram …………………………………………………………………………………..………….. 26

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WTP-150 SERVICE MANUAL
1. Disassembly and Assembly
1. Disassemble of Cutter cover
(1-1) Disassemble it as indicated way.
2. Disassemble of Upper cover
(2-1) Unloose 2pcs of screw (M2.6x5)
(2-2) Open Top cover
(2-3) Separate it lifting Upper cover into indicated way.

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WTP-150 SERVICE MANUAL
3. Disassemble of Interface Module
(3-1) Unloose 2pcs of screw (M3x6 SZ)
(3-2) Separate it pulling the Module into indicated way.
4. . Disassemble of Dip switch cover
(4-1) Unloose 2pcs of screw (TTC M3X8 BH)
(4-2) Separate it pulling down into indicated way.
5. Disassemble of Bottom Cover
(5-1) Unloose 4pcs of screw (TTC M3x8 BH & TB M3X10)
(5-2) Separate it pulling down into indicated way.

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WTP-150 SERVICE MANUAL
6. Disassemble of Main PCB Ass’ y
(6-1) Untwist 2pcs of Screw (TTC M3X4)
(6-2) Separate all connectors connected with PCB
(6-3) Separate PCB pulling it into the way indicated.

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WTP-150 SERVICE MANUAL 1. Parts List
PARTS LIST
WTP-150 EXPLODE VIEW
No. Symbol Parts No. Description Q’ty Remarks
001 1 THM01-00MD-C201 PAPER TRAY (WTP-150) 1
002 2 THM01-00AS-B201 LEFT BASE FRAME UNIT 1
003 3 THM01-00DG-C001 MOTOR 1
004 4 THM01-00WH-B012 COVER OPEN SWITCH ASS’Y 1
005 5 M2 X 8 SCREW 1
006 6 THM01-00MD-C003 IDLE GEAR 1 1
007 7 THM01-00MD-C004 IDLE GEAR 2 1
008 8 Ø3.5/6 0.5C PE WASHER 2
009 9 THM01-00PS-C202 RIGHT BASE FRAME 1
010 10 THM01-00MD-C205 RELEASE LINK (WTP-150) 1
011 11 THM01-00MD-C204 RELEASE LEVER (WTP-150) 1
012 12 TB M3 X 8 TP SCREW 3
013 13 Ø2.5/5 0.4C PE WASHER 2
014 14 THM01-00CT-C204 HEAD SHAFT 1
015 15 THM01-00DG-C009 PRINT HEAD (AOI) 1
016 16 THM01-00PS-C201 HEAD BRACKET (WTP-150) 1
017 17 M3 X 6 SW+PBR SCREW 2
018 18 THM01-00CT-C003 PLATEN PRESSURE SPRING 2
019 19 THM01-00DG-C006 CUTTER UNIT (OYANE) 1
020 20 M2.6 X 5 SCREW 7
021 21 THM01-00PS-C205 AUTO CUTTER BRACKET 1
022 22 THM01-00MD-C213 TOP COVER (WTP-150) 1
023 23 THM01-00MD-C202 RELEASE BRACKET 1
024 24 THM01-00CT-C206 RELEASE BRKT
PRESSURE SPRING 2
025 25 THM01-00DG-C007 FIXED BLADE (OYANE) 1
026 26 THM01-00PS-C204 ROLLER BRACKET 1
027 27 THM01-00CT-C002 BUSH 2
028 28 THM01-00MD-C203 PAPER GUIDE UPPER 1
029 29 THM01-00CT-C201 PLATEN ROLLER (WTP-150) 1
030 30 KS B1337 3 E-RING 4
031 31 THM01-00MD-C002 ROLLER GEAR 1
032 32 THM01-00CT-C203 ROLL PAPER SHAFT 2
033 33 THM01-00PS-C206 ROLLER SHAFT COVER 1

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WTP-150 SERVICE MANUAL
PARTS LIST
WTP-150 EXPLODE VIEW
No. Symbol Parts No. Description Q’ty Remarks
034 34 THM01-00MD-C206 PAPER PARTITION 1
035 35 THM01-00MD-C215 REAR COVER (WTP-150) 1
036 36 THM01-00CT-C202 TOP COVER SHAFT 1
037 37 APM00-00LB-C004 LABEL BAR CODE UNIT 1
038 38 THM01-00PS-C207 PCB COVER 1
039 39 THM01-00MD-C218 LIGHT PIPE (WTP-150) 1
040 40 TB M2.6 X 4 SCREW 2
041 41 THM01-00PS-C208 MAIN FRAME 1
042 42 THM01-00MD-C211 BOTTOM COVER (WTP-150) 1
043 43 APM00-00ET-C004 RUBBER FOOT 4
044 44 THM01-00MD-C216 DIP SWITCH COVER 1
045 45 TTC M3 X 8 BH SCREW 5
046 46 THM01-00WH-B011 HEAD CABLE ASS’Y 1
047 47 THM01-00MD-C212 UPPER COVER 1
048 48 M2 X 3 BH SCREW 4
049 49 THM01-00MD-C214 CUTTER COVER 1
050 50 TTC M3 X 4 SCREW 7
051 51 TB M3 X 10 SCREW 2
052 52 M3 X 6 SZ SCREW 2
053 53 TB M2 X 3 SCREW 1
054 54 TB M3 X 8 SCREW 4
055 55 THM01-00CT-C205 COVER OPEN SPRING 1
056 56 Ø4.3/8 0.8 WASHER 1
057 57 THM01-00PS-C209 TEAR BAR (WTP-150) 1
058 58 THM01-00WH-B007 FUNCTION PCB WIRE ASS’Y 1
059 59 THM01-00MD-C217 FEED BUTTON 1
060 60 THM01-04LB-C002 LABEL UNIT : WTP-150 MIC, CE 1
THM01-05LB-C002 LABEL UNIT : WTP-150 UL, CE
THM01-06LB-C002 LABEL UNIT : WTP-150 CE
61 61 THM01-00WH-B010 7P POWER CABLE ASS’Y 1

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WTP-150 SERVICE MANUAL
PARTS LIST
WTP-150 EXPLODE VIEW
No. Symbol Parts No. Description Q’ty Remarks
062 501 THM01-00PA-B201 MAIN PCB ASS’Y (WTP-150) 1
063 502 THM01-00PA-B202 POWER PCB ASS’Y 1
064 503 THM01-00PA-B103 FUNCTION PCB ASS’Y 1
065 504 THM01-00AS-A204 INTERFACE MODULE
(WTP-150/PARALLEL) 1
THM01-00AS-A205 INTERFACE MODULE
(WTP-150/SERIAL)
THM01-00AS-A206 INTERFACE MODULE
(WTP-150/USB)
066 505 THM01-00PA-B107 PAPER END SENSOR ASS’Y 1
067 506 THM01-00MD-C209 REAR PAPER TRAY (WTP-150) 1
068 507 THM01-00MD-C207 PAPER LOW SENSOR COVER
(WTP-150) 2
069 508 THM01-00MD-C208 PAPER LOW ADJUST LEVER 1
070 509 TB M3 X 8 TP SCREW 1
071 510 THM01-00PA-B108 PAPER LOW SENSOR ASS’Y 1
072 511 TB M2 X 3 SCREW 2
073 512 THM01-00PA-B109 BLACK MARK SENSOR ASS’Y 1 OPTION
074 513 TB M2 X 3 SCREW 1 OPTION