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Introduces the zenpert 3R20 Series mobile barcode printer and its capabilities.
Lists the standard features of the 3R20 Series printer.
Lists optional features available for the 3R20 Series printer.
Instructions for inspecting the printer and packaging upon receipt.
Identifies the components visible on the front of the printer.
Identifies the components visible on the interior of the printer.
Identifies the components visible on the rear of the printer.
Explains the LCD screen indications and the functions of the printer keys.
Details the visual indicators for battery charging status when the printer is on or off.
Step-by-step guide for physically installing the battery into the printer.
Provides information on initial battery charging time and lifetime.
Instructions for connecting the printer to a computer using a USB cable.
Details the default Bluetooth name and PIN for connecting wirelessly.
Instructions for installing media spacers to accommodate different label widths.
Instructions for attaching the optional shoulder strap to the printer.
Steps to calibrate the printer's media sensor for accurate paper detection.
Guides users through performing a self-test and entering dump mode for diagnostics.
Procedures to reset printer settings back to factory defaults.
Steps to launch and begin using the Diagnostic Tool software.
Explains how to configure various printer functions using the Diagnostic Tool.
Detailed steps for performing automatic media sensor calibration via the tool.
Instructions for configuring Bluetooth settings using the Diagnostic Tool.
Lists common issues, their possible causes, and recovery procedures.
Details cleaning procedures and recommended intervals for the print head.
Describes the cleaning process and frequency for the platen roller.
How to clean the tear bar or peel bar with lint-free cloth and ethanol.
Cleaning procedure for sensors using compressed air or vacuum.
Cleaning the exterior and interior of the printer.
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General