Service Manual
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Product Specification 3. Exploded Views and Parts List 11. Commands 9. Block Diagram 13. PCB Layout and Parts List 12. Wiring Diagram 14. Disassembly and Assembly 5. Installation and Operation 4. Reference Information 7. Troubleshooting 10. Maintenance and Adjustment 6. Schematic Diagrams THERMAL RECEIPT PRINTER SRP-350 Ver.2 Series SRP-350/350S/350P/350U SRP-350G/350SG/350PG/350UG SERVICE Manual THERMAL RECEIT PRINTER CONTENTS 1. Precaution Statements 2. Special Circuit Descriptions 8.
Product Specification 3. Exploded Views and Parts List 11. Commands 9. Block Diagram 13. PCB Layout and Parts List 12. Wiring Diagram 14. Disassembly and Assembly 5. Installation and Operation 4. Reference Information 7. Troubleshooting 10. Maintenance and Adjustment 6. Schematic Diagrams THERMAL RECEIPT PRINTER SRP-350 Ver.2 Series SRP-350/350S/350P/350U SRP-350G/350SG/350PG/350UG SERVICE Manual THERMAL RECEIT PRINTER CONTENTS 1. Precaution Statements 2. Special Circuit Descriptions 8.
Service Manual
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...Serial (RS-232C / RS-485) Interface Parallel USB Printer Auto Cutter Power Consumption AC Adapter Environment Condition Weight Dimensions(mm) Description • SRP-350 • SRP-350S • SRP-350P • SRP-350U : RS-232 Serial Communication : RS-485 Serial ... BULK • Speed : 12 Mbps (Full-Speed) • Power : Self-Powered • Printing Method • Printing Speed : Thermal Line Printing : 150 mm/Sec, 35.5 Line/Sec (Font A,1/6" Feed) • Type • Cutting Method : Guillotine : 1 ... Parity Are determined by DIP S/W position. Samsung Electro-Mechanics 2-1
...Serial (RS-232C / RS-485) Interface Parallel USB Printer Auto Cutter Power Consumption AC Adapter Environment Condition Weight Dimensions(mm) Description • SRP-350 • SRP-350S • SRP-350P • SRP-350U : RS-232 Serial Communication : RS-485 Serial ... BULK • Speed : 12 Mbps (Full-Speed) • Power : Self-Powered • Printing Method • Printing Speed : Thermal Line Printing : 150 mm/Sec, 35.5 Line/Sec (Font A,1/6" Feed) • Type • Cutting Method : Guillotine : 1 ... Parity Are determined by DIP S/W position. Samsung Electro-Mechanics 2-1
Service Manual
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12 Block Diagram 12-1 SRP-350 / SRP-350S / SRP-350P / SRP-350U I/F BOARD PRINTER MEACHANISM POWER ADAPTER DC24V POWER SUPPLY VCC CIRCUIT VCC VDR(+24V) VTPH(+24V) RESET CIRCUIT FLASH AM29F800 ADDRESS DATA SRAM KM681000 ADDRESS DATA BUZZER DIP ...) RS-232 DRIVER RS-485 DRIVER IEEE1284 DRIVER USB DRIVER RS-232C CONNECTOR RS-485 CONNECTOR PARALLEL CONNECTOR USB CONNECTOR SENSOR CIRCUIT AUTO CUTTER DRIVER THERMAL HEAD PAPER FEED MOTOR LED & BOTTON CIRCUIT P_END & NEAR SENSOR AUTO CUTTER A_CUT SENSOR...
12 Block Diagram 12-1 SRP-350 / SRP-350S / SRP-350P / SRP-350U I/F BOARD PRINTER MEACHANISM POWER ADAPTER DC24V POWER SUPPLY VCC CIRCUIT VCC VDR(+24V) VTPH(+24V) RESET CIRCUIT FLASH AM29F800 ADDRESS DATA SRAM KM681000 ADDRESS DATA BUZZER DIP ...) RS-232 DRIVER RS-485 DRIVER IEEE1284 DRIVER USB DRIVER RS-232C CONNECTOR RS-485 CONNECTOR PARALLEL CONNECTOR USB CONNECTOR SENSOR CIRCUIT AUTO CUTTER DRIVER THERMAL HEAD PAPER FEED MOTOR LED & BOTTON CIRCUIT P_END & NEAR SENSOR AUTO CUTTER A_CUT SENSOR...
Service Manual
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13 Wiring Diagram 13-1 SRP-350 / SRP-350S / SRP-350P / SRP-350U NEAR_END SENSOR DRAWER POWER ADAPTER GND DRAWER#1 COMP SW VDR(+24V) DRAWER#2 GND SERIAL INTERFACE PBA Refer to the Schematic Diagram 16 14 12 ... 14 12 10 8 6 4 2 Refer to the Schematic Diagram CN11 1234 CN9 1234 CUT A CUT B VCC CUT SW STEPA MB STEPA MA STEPB MB STEPB MA PRINTER MECHANISM AUTO CUTTER FEED MOTOR CN4 CN4 POWER SWITCH COVER SENSOR Samsung Electro-Mechanics 13-1
13 Wiring Diagram 13-1 SRP-350 / SRP-350S / SRP-350P / SRP-350U NEAR_END SENSOR DRAWER POWER ADAPTER GND DRAWER#1 COMP SW VDR(+24V) DRAWER#2 GND SERIAL INTERFACE PBA Refer to the Schematic Diagram 16 14 12 ... 14 12 10 8 6 4 2 Refer to the Schematic Diagram CN11 1234 CN9 1234 CUT A CUT B VCC CUT SW STEPA MB STEPA MA STEPB MB STEPB MA PRINTER MECHANISM AUTO CUTTER FEED MOTOR CN4 CN4 POWER SWITCH COVER SENSOR Samsung Electro-Mechanics 13-1