BIXOLON service manual SRP-350/352plusA&C, Hexadecimal Dumping, The self Test Mode

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2-2-4 Hexadecimal Dumping

SRP-350/352plusA&C

2-2-4 Hexadecimal Dumping

This feature allows experienced users to see exactly what data is coming to the printer. This can be useful in finding software problems. when you turn on the hexadecimal dump function, the printer prints all commands and data in hexadecimal format along with a guide section to help you find specific commands.

To use the hexadecimal dump function, follow these steps :

1.After you make sure that the printer is off. Open the cover.

2.Turn on the printer, while holding down the FEED button.

3.close the cover, then the printer enters the hexadecimal dump mode.

4.Run any software program that sends data to the printer. The printer will print all the codes it receives in a two-column format. The first column contains the hexadecimal codes and the second column gives the ASCII characters that corresponds to the codes.

1B 21 00

1B 26

02 40 40

. ! . . & @ @

02

0D 1B 44 0A 14 1E 28

. . . D . . . . (

00

01 0A

41 0D

42 0A 43

. . . A . B . C

Note : A period(.) is printed for each code that no ASCII equivalent.

Note : During the hex dump all commands expect DLE EOT and DLE ENQ are disabled.

5.When the printing finishes, turn off the printer.

6.Turn on the printer and then the hexadecimal model is off.

2-2-5 The self Test Mode

The self-test checks whether the printer has any problem. If the printer does not function properly, contact your dealer The self-test checks the following :

1.Make sure paper roll ahs been installed properly.

2.Turn on the power while holding down the FEED button. The self-test begins.

3.Tue self-test prints the current printer status, which provides the control ROM version and the DIP witch setting.

4.After printing the current printer status, self-test printing will print the following and pause (The PAPER LED light blinds).

Self-Test printing

Please press the Feed button

5.Press the FEED button to continue printing. The printer prints a pattern using the built-in character set.

6.The self-test automatically ends and cuts the paper after printing the following.

***Completed ***

The printer is ready to receive data as soon as it completes the self-test.

Rev. 2.01

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Contents Service Manual SRP-350/352plusA&CThermal Printer Rev Table of Contents SRP-350/352plusA&C5. Disassembly and Assembly 6. Adjustments and Maintenance7. Troubleshooting 4. Hardware1. Precaution Segment 1-1 Safety Precautions1-2 Servicing Precaution a Remove or reinstall any component or assembly1-3 Precaution for Electrostatically Sensitive Devices ESDs 1-4 Operational Precautions1. Some semiconductor solid state devices are easily damaged by static electricity. Such components are called Electrostatically Sensitive Devices ESDs examples include integrated circuits and some field-effect transistors. The following techniques will reduce the occurrence of component damaged caused by static electricity 2. Installation and Operation 2-1 Installation2-1-1 AC Adapter Installation 2-1-2 Interface Cable Installation2-1-5 Wall Mount Installation SRP-350/352plusA&C 2-2 Operation 2-2-1 Setting the DIP switches2-2-2 Setting the DIP switch RS-232C Serial Interface 2-2-3 Setting the DIP switch IEEE1284 Parallel, USB Interface ※ Auto Cutter Enable / Disable selection2-2-4 Hexadecimal Dumping 2-2-5 The self Test ModeFigure 3-13 The Self-Test Sheet 2-2-6 Setting the Memory Switches SRP-350/352plusA&C 3. Product Specifications 3-1 Appearance3-1-1 Printer Dimensions mm 3-1-2 AC Adapter Dimensions mm3-1-3 Feature Locations-SRP-350/352plusA/C TYPE 3-2 General Specifications SRP-350/352plusCOS RS-232 Serial CommunicationSRP-350/352plusCOP IEEE1284 Parallel Communication SRP-350/352plusCO USB Communication3-3 Thermal Printer Specifications 3-3-1 Printer Specification3-3-2 Character Specification Description3-3-3 Paper Specification 3-3-4 Reliability and Environment Specification※ Note PD 160R3-3-6 TPH Thermal Printer Head Specification 1 180dpi 3-3-5 Printable Area3-3-7 Other Component Specification 3-4 SMPS Specifications 3-4-1 SMPS Switching Mode Power Supply Specification3-4-2 SMPS Output Connector 3-5 Interface Specifications 3-5-1 RS-232C Serial Interface 3-5-1a Specification3-5-1b RS-232C I/F Cable 3-5-1d Signal Description 3-5-1c Cable ConnectionPrinter Host2-5-2a Forward Mode Specification Compatibility mode 3-5-1e H/W Flow Control3-5-1f S/W Flow Control ※ Note Refer to the Operation Manual about XON/XOFF flow control3-5-2c Signal Specification Compatibility/Nibble/Byte mode 3-5-2c IEEE1284 I/F CablenAck Busy3-5-3a Specification 3-5-3b Signal Description3-5-3 USB2.0 Interface 3-5-3c Cable3-5-4d Construction Series A Connectors Series B Connectors※ Note Minimum conductor construction must be stranded tinned copper From the3-6 Cash Drawer Specifications ※ Note +24V is always output through pin 4 during power on3-6-1 Drawer Cable 3-6-2 Cable Connection4-1 Wiring Diagram 4. HardwareFigure 4-1 Board Wiring Diagram 4-2 Block Diagram Figure 4-2 Block Diagram4-3 Special Circuit Descriptions 4-3-1 Power Circuit4 CPU, Flesh, SRAM, Reset Voltage +3.3V VOLTAGE4-3-2 RESET Circuit Reset signal is signal in order to start-up CPU under Power-onFigure 4-4 Reset Block Diagram Figure 4-5 Reset Waveform ASM811 REUSF-T4-3-3 Buzzer and Cash Drawer Circuits 1 Buzzer Driving Circuit 2 Cash Drawer Driving Circuit4-3-4 I/F PBA Detect Block Diagram 4-3-5 RS-232C Communication Block DiagramUPD70F3107 4-3-6 Parallel Communication Block Diagram 4-3-7 USB Communication Block Diagram4-3-8 DIP Switch Circuit DATA#1,2 LATCHSTROBE1 4-3-9 Thermal Printer Head Circuit5. Disassembly and Assembly 5-1 Case lower block1 Scrw 2 Brkt Dip Switch 3 Case Lower 4 Foot Rubber8 Screw 1 Screw 2 Brkt PCB 6 Main PCB5 PCB Serial Parallel Screw5-2 Case Upper block 1.Push the button to open the Cove Open. 2.Remove the four screws1.Remove the two screws 3.Remove the three screws. 4.Separate the Manual cutter fromRoller Platen Assembly 1 Spring Hook4 Brkt-Hook 3 Screw 1.Remove the E-Ring. 2.Separate the Spring tension, the5-3 Frame block 3 Cover Housing4 Screw 1 Screw4 Screw 7 Connector Spring TPH 5.Separate the Connector from the Heat-sink1.Remove the screw 2 Heatsink Assy 1 Screw1 Screw 2 Frame Main 3 Brkt PCB 4 Power Switch Frame MainWasher Slip6. Adjustments and Maintenance 6-1 Adjustment6-1-1 Remaining Roll Paper Adjustment 6-1-2 Paper Jam 6-2 Maintenance ※ Caution Turn off the printer power before cleaning7. Troubleshooting 7-1 Power ProblemOk? On SMPS 7-2 System Problem 7-3 Panel PBA and Sensor Problem 7-4 Thermal Printer Head and Feed Motor Problem 7-5 Auto Cutter and Drawer Problem 7-6 Dip S/W and I/F PBA Select Problem Input Ok?Select Ok? 7-7 RS-232C Serial Communication Problem 7-8 IEEE-1284 Parallel Communication Problem 7-9 USB2.0 Communication Problem Main PBA I/FFailure? Reverse Mode