Service Manual
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2-3 Thermal Printer Specifications 2 Product Specifications Item Print Cycle(S.L.T.) Supply Energy Supply Voltage Substrate Temperature Number of Dots to be Energized simultaneously Logic Supply Voltage (Vdd) Logic Input ... Motor) • Voltage : 24V DC 7 % • Current : 800mA (Average), 1.6A(Peak) • Model : PM35L-048 (NMB) • Type : 4-Phase, 48-Polarity (PM Type Bi-Polar Driver) • Voltage : 24V 10% DC • Resistance : 20 at 25 per Phase • Reflection Type Photo Sensor • Reflection Type Photo Sensor Table 2-8 Other Component...
2-3 Thermal Printer Specifications 2 Product Specifications Item Print Cycle(S.L.T.) Supply Energy Supply Voltage Substrate Temperature Number of Dots to be Energized simultaneously Logic Supply Voltage (Vdd) Logic Input ... Motor) • Voltage : 24V DC 7 % • Current : 800mA (Average), 1.6A(Peak) • Model : PM35L-048 (NMB) • Type : 4-Phase, 48-Polarity (PM Type Bi-Polar Driver) • Voltage : 24V 10% DC • Resistance : 20 at 25 per Phase • Reflection Type Photo Sensor • Reflection Type Photo Sensor Table 2-8 Other Component...
Service Manual
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7-4 RS-232C Communication Block Diagram 7 Special Circuit Description CPU M30624FPFG TXD,RXD,DTR.DSR MAX232 DRIVER D-SUB25 FEMALE Figure 7-7 RS-232C Communication Block Diagram TRANSMIT (PRINTER) PC(HOST) DTR( ) HOST BUSY RXD( ) HOST NOT BUSY PRT transmits a data HOST BUSY DSR TXD PRINTER RECEIVE (PRINTER) Printer checks whether the host is BUSY. PC(HOST) DSR( ) PRT BUSY TXD( ) PRT NOT BUSY HOST transmits a data PRT BUSY DTR RXD PRINTER HOST checks whether the Printer is BUSY. Figure 7-8 RS-232C Communication Waveform Samsung Electro-Mechanics 7-5
7-4 RS-232C Communication Block Diagram 7 Special Circuit Description CPU M30624FPFG TXD,RXD,DTR.DSR MAX232 DRIVER D-SUB25 FEMALE Figure 7-7 RS-232C Communication Block Diagram TRANSMIT (PRINTER) PC(HOST) DTR( ) HOST BUSY RXD( ) HOST NOT BUSY PRT transmits a data HOST BUSY DSR TXD PRINTER RECEIVE (PRINTER) Printer checks whether the host is BUSY. PC(HOST) DSR( ) PRT BUSY TXD( ) PRT NOT BUSY HOST transmits a data PRT BUSY DTR RXD PRINTER HOST checks whether the Printer is BUSY. Figure 7-8 RS-232C Communication Waveform Samsung Electro-Mechanics 7-5
Service Manual
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...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 SWITCH DRAWER & COMPULSORY BUZZER CIRCUIT DIP SENSING CIRCUIT DRAWER SENSER CPU M30624FGFP CLOCK CIRCUIT (EMI) CLOCK (16.0MHz) 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 & ...
...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 SWITCH DRAWER & COMPULSORY BUZZER CIRCUIT DIP SENSING CIRCUIT DRAWER SENSER CPU M30624FGFP CLOCK CIRCUIT (EMI) CLOCK (16.0MHz) 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 & ...