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General| Brand | Sam4s |
|---|---|
| Model | ER-280 SERIES |
| Category | Cash Register |
| Language | English |
Details safety precautions for servicing and handling the ECR.
Provides guidelines for safe servicing procedures and electrical safety.
Outlines measures to protect against static electricity damage to components.
Lists detailed technical specifications of the SAM4S ER-280 series.
Provides physical dimensions and key component locations of the ECR.
Details specifications for the thermal printer, including paper and character format.
Specifies input voltage, current, and power consumption requirements.
Details specifications for RS-232C and USB interfaces, including signal descriptions.
Illustrates the system configuration and peripheral connections for the ECR.
Guides through the physical installation process, including paper roll and cable setup.
Explains the basic operation modes and key functions of the ECR.
Step-by-step instructions for disassembling the upper section of the ECR case.
Step-by-step instructions for disassembling the lower section of the ECR case.
Provides general advice and specific tips for safe and effective disassembly procedures.
Troubleshooting guide for power-related issues, including voltage checks.
Diagnoses common system problems related to CPU, memory, and other core functions.
Troubleshooting steps for issues with the VFD and LCD displays.
Guides through diagnosing and resolving problems with the thermal printer.
Troubleshooting steps for issues related to the ECR's keyboard input.
Addresses problems with the cash drawer and spool motor functionality.
Troubleshooting communication issues for RS-232C and USB interfaces.
Diagnoses problems with the MCR (Magnetic Card Reader) and SD card.
Provides an exploded view of the main ECR assembly and lists its components.
Details the exploded view and parts list specifically for the ECR drawer assembly.
Shows the layout and lists parts for the main printed circuit board.
Illustrates the PCB layout and parts for the Serial 1 port interface.
Shows the PCB layout and parts for the Serial 3 port with USB interface.
Details the PCB layout and parts for the display and joint PCBs.
Illustrates the PCB layout and parts for the rear display and joint PCBs.
Shows the PCB layout and parts for the Joint (J) PCB.
Details the PCB layout and parts for the fiscal EPROM PCBs.
Presents detailed schematic diagrams for various blocks of the main PCB.
Provides schematic diagrams for the VFD and LCD display PCBs.
Shows schematic diagrams for the Serial 1 and Serial 3 (with USB) interface PCBs.
Presents schematic diagrams for the Joint (Receipt) and Joint (Journal) PCBs.
Details schematic diagrams for the fiscal EPROM PCBs.
