Do you have a question about the SPRT SP-POS891 and is the answer not in the manual?
Details print method, paper width, density, speed, and reliability specifications.
Specifies the type, model, and dimensions of the thermal paper roll used.
Outlines the supported ANK and GB character sets and their dimensions.
Describes the various connectivity interfaces: RS-232C, Ethernet, USB, and Cash Drawer.
Covers commands for character, graphics, and barcode printing.
Specifies the required power supply adapter and socket type.
Lists the operational and storage temperature and humidity ranges.
Provides the physical dimensions of the printer.
Details different printer models based on interface and print speed.
Illustrates and names the different parts of the printer.
Explains how to load paper and resolve paper jam issues.
Details the serial interface (RS-232C) pin assignments and protocols.
Details the RJ45 network socket for Ethernet connectivity.
Explains the USB interface, including Mini-USB cable and pinout.
Details the RJ-11 socket for cash drawer connection and its pin assignment.
Describes the power socket type and its pin assignment for the 24V adapter.
Explains the function of the FEED button, buzzer, and various status indicators.
Describes the printer's status indicators when powered on.
Details how to perform a self-test and interpret its output for troubleshooting.
Explains how to enter and exit hexadecimal printing mode for debugging.
Outlines methods for setting printer parameters via PC software or button operations.
Provides instructions to enter program upgrade mode for firmware updates.
Explains the process for general parameter setting using buttons and shows setting flow.
Details the available baud rates and how to select them using the FEED button.
Describes how to select the printer language using button operations.
Explains how to choose between different font types using button operations.
Details how to adjust print density settings via button controls.
Explains how to select different print speeds using button operations.
Describes how to configure the buzzer settings (OFF, Error ON, Cut ON, ALL ON).
Explains how to enable or disable the paper-out reprint function.
Details how to enable or disable black mark detection mode.