Samsung 2 COLOR THERMAL PRINTER SRP-275 User manual

SERVICE MANUAL
SRP-275
IMPACT PRINTER
All specifications are subjected to change without notice
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Samsung SRP-275 service ManualSamsung SRP-275 service ManualSamsung SRP-275 service ManualSamsung SRP-275 service Manual

Table of contents
v
▌P Pr re ec ca au ut ti io on ns s
Safety precautions ···························································································································· i
Servicing Precautions ······················································································································· ii
Precautions for electrostatically sensitive devices (ESDs) ······························································· ii
▌Introduction ··········································································································································· iii
▌Table of contents ································································································································· v
▌C Ch ha ap pt te er r 1 1 S Sp pe ec ci if fi ic ca at ti io on ns s
1.1 General specifications ··············································································································· 1-1
1.2 Appearance ······························································································································· 1-2
1.2.1 Printer dimensions(mm) and Weight ············································································· 1-2
1.2.2 AC adapter dimensions (mm) ······················································································· 1-2
1.2.3 Feature locations ··········································································································· 1-3
1.3 Reference information ··············································································································· 1-4
1.3.1 Printer mechanism specifications ·················································································· 1-4
1.3.2 Printing specifications ···································································································· 1-4
1.3.3 Character specifications ································································································ 1-5
1.3.4 Paper specifications ······································································································ 1-7
1.3.5 Ribbon cassette specifications ······················································································ 1-8
1.3.6 Environment conditions ································································································· 1-8
1.3.7 Reliability ······················································································································· 1-9
1.3.8 Certification ···················································································································· 1-9
1.3.9 Printer(SMP715) pin descriptions ················································································ 1-10
1.3.10 Printer head specifications ························································································ 1-11
1.3.11 Printer head thermistor specifications ······································································· 1-11
1.3.12 PF(Paper Feed) motor specifications ········································································ 1-12
1.3.13 HF(Head Feed) motor specifications ········································································· 1-12
1.3.14 Auto cutter specifications ·························································································· 1-12
1.3.15 Switch(Sensor) specifications ··················································································· 1-12
1.4 SMPS(AC adaptptor) specifications ························································································ 1-13
1.4.1 SMPS (Switching Mode Power Supply) specifications ··············································· 1-13
1.4.2 SMPS output connector ······························································································ 1-13
1.5 I/F(Interface) specifications ····································································································· 1-14
1.5.1 RS-232C Serial I/F ······································································································ 1-14
1.5.1.1 RS-232C Serial I/F specifications ·································································· 1-14
1.5.1.2 RS-232C Serial I/F cable ··············································································· 1-14
1.5.1.3 RS-232C Serial I/F cable connection ···························································· 1-15
1.5.1.4 RS-232C Serial I/F signal descriptions ·························································· 1-15
1.5.1.5 RS-232C Serial I/F H/W flow control ····························································· 1-16
1.5.1.6 RS-232C Serial I/F S/W flow control ····························································· 1-16
1.5.2 IEEE 1284 Parallel I/F ································································································· 1-16
1.5.2.1 IEEE 1284 Parallel I/F forward mode specifications (Compatibility mode) ··· 1-16
1.5.2.2 IEEE 1284 Parallel I/F reverse mode specifications (Nibble/Byte mode) ····· 1-16
1.5.2.3 IEEE1284ParallelI/F
signal specifications (Compatibility/ Nibble/ Byte mode) ··· 1-17
1.5.2.4 IEEE 1284 Parallel I/F cable ········································································· 1-17
1.5.3 USB I/F ························································································································ 1-18
1.5.3.1 USB I/F specifications ····················································································· 1-18
1.5.3.2 USB I/F signal description ··············································································· 1-18
1.5.3.3 USB I/F cable ·································································································· 1-18
1.6 Drawer kick-out specifications ································································································· 1-19
1.6.1 Drawer kick-out cable ··································································································· 1-19
1.6.2 Drawer kick-out cable connection ··············································································· 1-19

vi
▌C Ch ha ap pt te er r 2 2 I In ns st ta al ll la at ti io on n a an nd d o op pe er ra at ti io on n
2.1 Connection and Installation ······································································································· 2-1
2.1.1 Connecting the AC adaptor ·························································································· 2-1
2.1.2 Connecting the interface cable and drawer kick-out cable ·········································· 2-1
2.1.3 Installing the ribbon cassette ························································································ 2-2
2.1.4 Installing the paper roll ································································································· 2-3
2.1.5 Changing the paper width ····························································································· 2-4
2.1.6 Installing the wall mount (Option) ················································································· 2-5
2.2 Operation ··································································································································· 2-6
2.2.1 Using the operation panel ····························································································· 2-6
2.2.2 ERROR LED blinking pattern ······················································································· 2-7
2.2.3 Self test ························································································································· 2-8
2.2.4 Hexadecimal dumping ································································································ 2-10
2.3 Setting the switches ················································································································· 2-11
2.3.1 Setting the DIP Switches ···························································································· 2-11
2.3.1.1 DIP Switch setting for Epson(ESC/POS) mode ··············································· 2-11
2.3.1.2 DIP Switch setting for Citizen(iDP3550) mode ················································ 2-12
2.3.1.3 DIP Switch setting for Star(SP500) mode ························································ 2-13
2.3.1.4 Changing the DIP Switches setting ·································································· 2-14
2.3.2 Setting the Memory Switches ····················································································· 2-15
2.3.2.1 Memory Switch setting for Epson(ESC/POS) mode ········································ 2-15
2.3.2.2 Memory Switch setting for Star(SP500) mode ················································· 2-19
▌C Ch ha ap pt te er r 3 3 M Me ec ch ha an ni is sm m o op pe er ra at ti in ng g p pr ri in nc ci ip pl le es s
3.1 Transport mechanism ··············································································································· 3-1
3.1.1 Head feeding system ··································································································· 3-1
3.1.2 Paper feeding system ·································································································· 3-2
3.1.3 Ribbon feeding system ································································································ 3-3
3.1.4 Color changing system ································································································ 3-3
3.1.4.1 Ribbon shifting system ····················································································· 3-3
3.2 Printing mechanism ·················································································································· 3-4
3.3 Detection mechanism ··············································································································· 3-5
3.3.1 Home position detection mechanism ·········································································· 3-5
3.3.2 Paper near end detection mechanism ········································································ 3-6
3.3.3 Paper end detection mechanism ················································································· 3-7
3.3.4 Rear cover open detection mechanism ······································································· 3-7
3.3.5 Auto cutter home position detection mechanism ························································ 3-8
3.4 Auto cutter mechanism ············································································································· 3-9
3.5 Easy paper loading mechanism ······························································································ 3-10
▌C Ch ha ap pt te er r 4 4 A Ad dj ju us st tm me en nt ts s
4.1 Maintenance ······························································································································ 4-1
4.1.1 Cleaning ······················································································································ 4-1
4.1.2 Inspection ···················································································································· 4.1
4.2 Lubricants and adhesive application ························································································· 4-2
4.2.1 Lubricant requirements ································································································· 4-2
4.2.2 Lubricant types ············································································································ 4-2
4.2.3 Lubrication points ········································································································ 4-2
4.2.4 Adhesive application requirements ············································································· 4-3
4.2.5 Adhesive types ············································································································ 4-3
4.2.6 Adhesive application requirements ············································································· 4-3
4.3 Tools, lubricants and adhesives ································································································ 4-3
4.3.1 List of tools ·················································································································· 4-3
4.3.2 List of lubricants and adhesives ·················································································· 4-3
4.4 Adjustments ······························································································································· 4-4

Table of contents
vii
▌C Ch ha ap pt te er r 5 5 T Tr ro ou ub bl le es sh ho oo ot ti in ng g
5.1 Troubleshooting flow chart ········································································································ 5-1
A. POWER LED does not light ······························································································ 5-2
B. PAPER LED is lit ··············································································································· 5-3
C. ERROR LED is blink ········································································································· 5-4
D. ERROR LED is lit ·············································································································· 5-5
E. Self test is not normal ········································································································ 5-6
F. Data from host is not printed normally ··············································································· 5-7
5.2 Troubleshooting tables ·············································································································· 5-8
5.2.1 Initialization problems ··································································································· 5-9
5.2.2 Printing quality problems ···························································································· 5-11
5.2.3 Printer mechanism problems ······················································································ 5-12
5.2.4 Auto cut mechanism problems ··················································································· 5-13
▌C Ch ha ap pt te er r 6 6 D Di is sa as ss se em mb bl ly y a an nd d a as ss se em mb bl ly y
6.1 Disassembly ······························································································································ 6-1
6.2 SMP715 Printer mechanism unit assembly ·············································································· 6-1
6.2.1 SMP715 Printer mechanism unit component parts ······················································ 6-1
6.2.2 SMP715 Printer mechanism unit Sub-assembly ·························································· 6-5
6.2.3 SMP715 Printer mechanism unit Main-assembly ······················································· 6-14
6.3 Auto cutter unit assembly ········································································································ 6-20
6.3.1 Auto cutter unit component parts ················································································ 6-20
6.3.2 Auto cutter unit Sub-assembly ···················································································· 6-21
6.3.3 Auto cutter unit Main-assembly ·················································································· 6-24
6.4 SRP-275 Whole unit assembly ······························································································· 6-25
6.4.1 SRP-275 Whole unit component parts ······································································· 6-25
6.4.2 SRP-275 Whole unit Sub-assembly ··········································································· 6-27
6.4.3 SRP-275 Whole unit Main-assembly ·········································································· 6-33
▌C Ch ha ap pt te er r 7 7 E Ex xp pl lo od de ed d v vi ie ew w a an nd d p pa ar rt ts s l li is st t
7.1 SMP715A Printer mechanism unit exploded view and parts list ··············································· 7-1
7.1.1 SMP715A Printer mechanism unit exploded view ························································ 7-1
7.1.2 SMP715A Printer mechanism unit parts list ································································· 7-3
7.2 SMP715C Printer mechanism unit exploded view and parts list ·············································· 7-5
7.2.1 SMP715C Printer mechanism unit exploded view ······················································· 7-5
7.2.2 SMP715C Printer mechanism unit parts list ································································· 7-7
7.3 Auto cutter unit exploded view and parts list ············································································· 7-9
7.3.1 Auto cutter unit exploded view ······················································································ 7-9
7.3.2 Auto cutter unit parts list ····························································································· 7-10
7.4 SRP-275A Whole unit exploded view and parts list ································································ 7-11
7.4.1 SRP-275A Whole unit exploded view ········································································· 7-11
7.4.2 SRP-275A Whole unit parts list ··················································································· 7-13
7.5 SRP-275C Whole unit exploded view and parts list ································································ 7-15
7.5.1 SRP-275C Whole unit exploded view ········································································· 7-15
7.5.2 SRP-275C Whole unit parts list ·················································································· 7-17
▌C Ch ha ap pt te er r 8 8 C Co on nt tr ro ol l c co om mm ma an nd ds s l li is st t
8.1 Command notation ···················································································································· 8-1
8.2 Explanation of terms ················································································································· 8-1
8.3 Explanation processing ············································································································· 8-2
8.4 Commands for SRP-275 Series ································································································ 8-3
8.4.1 Commands list for Epson mode (TM-U220) ································································· 8-3
8.4.2 Commands description for Epson mode (TM-U220) ···················································· 8-4
8.4.3 Commands list for STAR mode (SP500) ···································································· 8-48
8.4.4 Commands description for STAR mode (SP500) ······················································· 8-50
8.4.5 Commands list for CITIZEN mode (iDP3550/3551) ···················································· 8-77
8.4.6 Commands description for CITIZEN mode (iDP3550/3551) ······································· 8-78

viii
▌C Ch ha ap pt te er r 9 9 W Wi ir ri in ng g d di ia ag gr ra am m
9.1 Main board wiring diagram ········································································································ 9-1
9.2 Connector sub PCB wiring diagram ·························································································· 9-2
9.3 CPU pin function ······················································································································· 9-3
9.4 I/F connector pin (J6) ················································································································ 9-6
▌C Ch ha ap pt te er r 1 10 0 B Bl lo oc ck k d di ia ag gr ra am m
▌C Ch ha ap pt te er r 1 11 1 P PC CB B l la ay yo ou ut t a an nd d p pa ar rt ts s l li is st t
11.1 Main PCB ····························································································································· 11-1
11.1.1 Main PCB layout ······································································································ 11-1
11.1.2 Main PCB parts list ·································································································· 11-3
11.2 Connector sub PCB ············································································································· 11-5
11.2.1 Connector sub PCB layout ······················································································ 11-5
11.2.2 Connector sub PCB parts list ·················································································· 11-5
11.3 Operation panel PCB ··········································································································· 11-6
11.3.1 Operation panel PCB layout ···················································································· 11-6
11.3.2 Operation panel PCB parts list ················································································ 11-6
11.4 Head PCB
11.4.1 Head PCB layout ····································································································· 11-7
11.4.2 Head PCB parts list ································································································· 11-7
11.5 RS-232C serial I/F PCB ······································································································· 11-8
11.5.1 RS-232C Serial I/F PCB layout ··············································································· 11-8
11.5.2 RS-232C Serial I/F PCB parts list ············································································ 11-8
11.6 IEEE 1284 parallel I/F PCB ································································································· 11-9
11.6.1 IEEE 1284 parallel I/F PCB layout ··········································································· 11-9
11.6.2 IEEE 1284 parallel I/F PCB parts list ······································································· 11-9
11.7 USB I/F PCB ······················································································································ 11-10
11.7.1 USB I/F PCB layout ······························································································· 11-10
11.7.2 USB I/F PCB parts list ··························································································· 11-10
▌C Ch ha ap pt te er r 1 12 2 S Sc ch he em ma at ti ic c d di ia ag gr ra am ms s
12.1 Main circuit diagrams ··········································································································· 12-1
12.2 Head circuit diagram ·········································································································· 12-10
12.3 RS-232C Serial I/F circuit diagram ···················································································· 12-11
12.4 IEEE 1284 Parallel I/F circuit diagram ··············································································· 12-12
12.5 USB I/F circuit diagram ······································································································ 12-13
▌A Ap pp pe en nd di ix x A A C Co od de e T Ta ab bl le es s
A.1 Page 0 (PC437 : USA, Standard Europe (International Character Set : USA)) ······················· A-1
A.2 Page 1 (Katakana) ···················································································································· A-2
A.3 Page 2 (PC850 : Multilingual) ··································································································· A-3
A.4 Page 3 (PC860 : Portuguese) ··································································································· A-4
A.5 Page 4 (PC863 : Canadian-French) ························································································· A-5
A.6 Page 5 (PC865 : Nordic) ··········································································································· A-6
A.7 Page 16 (WPC1252 : Latin1) ···································································································· A-7
A.8 Page 17 (PC866 : Russian) ······································································································ A-8
A.9 Page 18 (PC852 : Latin2) ········································································································· A-9
A.10 Page 19 (PC858 : Euro) ······································································································· A-10
A.11 Page 21 (PC862 : Israel) ······································································································ A-11
A.12 Page 22 (PC864 : Arabic) ····································································································· A-12
A.13 Page 23 (Thai character code 42) ························································································ A-13
A.14 Page 24 (WPC1253 : Greek) ································································································ A-14
A.15 Page 25 (WPC1254 : Turkish) ······························································································ A-15
A.16 Page 26 (WPC1257 : Baltic) ································································································· A-16
A.17 Page 27 (Farsi) ····················································································································· A-17
A.18 Page 28 (WPC1251 : Russian) ···························································································· A-18
A.19 Page 29 (PC737 : Greek) ····································································································· A-19
A.20 Page 30 (PC775 : Baltic) ······································································································ A-20
A.21 Page 31 (Thai character code 16) ························································································ A-21
A.22 Page 32 (OldCode : Israel) ··································································································· A-22
A.23 Page 33 (WPC1255 : Israel) ································································································· A-23
A.24 Page 34 (Thai character code 11) ························································································ A-24
A.25 Page 35 (Thai character code 18) ························································································ A-25
A.26 International character code table ························································································ A-26

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