Shandong U80II User Manual (English)

Questions and Answers:

M
melissa56Aug 12, 2025
How to fix a Shandong U80II when the printout is not clear or dirty?
- B
  Brian LawsonAug 12, 2025
  If your Shandong Printer's printouts are unclear or dirty, several factors could be the cause. First, ensure the paper roll is installed correctly. If the issue persists, the paper may be out of specification, so try using the recommended thermal paper. A dirty print head or platen roller can also cause this problem; clean them to see if that improves the print quality. Finally, the print darkness might be set too low, so increase it as needed.
K
Kevin GarciaAug 16, 2025
What to do if the error LED flashes and the buzzer beeps on my Shandong U80II Printer?
- D
  dsinghAug 16, 2025
  When the error LED flashes and the buzzer beeps on your Shandong Printer, consider these possible causes and solutions: * **Paper end:** Replace the roll paper. * **Top cover up:** Ensure the top cover is closed properly. * **Print head overheated:** Turn off the printer and wait for the print head to cool down to a normal temperature. * **Cutter error:** Refer to section 7.4 'Cutter error troubleshooting'.
K
kaitlynmedinaAug 19, 2025
Why is the LED off and my Shandong U80II Printer not working?
- L
  Lori SmithAug 19, 2025
  If the LED is off and your Shandong Printer isn’t working, the issue likely stems from a power problem. First, ensure the printer is properly connected to a power supply. If it is, check that the printer power is turned on. If neither of these solutions works, the circuit may be damaged, and you should contact your local dealer or the manufacturer.
V
Victor BrownAug 23, 2025
How to fix a Shandong Printer when paper cannot be fed normally?
- D
  Debbie HooverAug 23, 2025
  If your Shandong Printer isn't feeding paper normally, it's likely due to a paper jam. Open the top cover to inspect the paper path and cutter, and then remove any jammed paper.

Shandong U80II Specifications

General

Brand	Shandong
Model	U80II
Category	Printer
Language	English

Summary

Declaration

Copyright

Details copyright information and publication details.

Trademarks

Lists registered trademarks of the company.

Warning and Caution

Provides warnings and cautions for safe operation and device handling.

Technical Contact Information

Lists contact details for technical support and inquiries.

General Safety Information

Safety Instructions

Crucial safety guidelines to follow before installing and using the printer.

General Cautions

Important cautions for proper operation, placement, and environmental conditions.

Introduction

Outline

Provides a general overview of the U80II printer's capabilities and applications.

Features

Lists the key features and functionalities of the U80II receipt printer.

Specifications

Main Specification

Details the core technical specifications of the U80II printer.

Cutter Specification

Provides specific technical details related to the printer's automatic cutter.

Paper Specification

Details the types, sizes, and properties of paper compatible with the printer.

Print and Tear Off Position

Explains the print area, margins, and tear-off line on the paper.

Outline and Components

Outline and Parts

Identifies and illustrates the external and internal parts of the printer.

Error LED and Buzzers

Explains the meaning of LED indicators and buzzer alerts for printer status.

Installation

Unpacking

Instructions for checking the contents of the printer package upon arrival.

Printer Installation

Describes how to position the printer for installation (horizontal/vertical).

Connecting the Power Adapter

Step-by-step guide for connecting the power adapter to the printer.

Connecting Interface Cable

Guides on connecting various interface cables to the printer.

Connecting the Cash Drawer

Instructions for connecting a cash drawer to the printer's dedicated port.

Paper Roll Loading

Detailed steps for loading and replacing the paper roll in the printer.

Paper Near End Adjustment

How to adjust the position of the paper near-end sensor.

Power On and Self-Test

Steps for powering on the printer and performing a self-test.

Printer Maintenance

Print Head and Roller Cleaning

Procedures for cleaning the print head and rollers to ensure print quality.

Mark Sensor Cleaning

Steps for cleaning the mark sensor for accurate detection of paper marks.

Clear Paper Jam

Instructions for clearing paper jams from the printer path.

Interface Signal

Parallel Interface

Defines the pinout and functions of the 36-pin Centronics parallel interface.

RS-232 Serial Interface

Details the pinout and default settings for the 9-pin serial interface.

USB Interface

Describes the USB interface signals, connector type, and capabilities.

Ethernet Interface

Lists features and signal definitions for the 10/100BASE-T Ethernet interface.

Troubleshooting

Printer Doesn't Work

Lists common problems and solutions for a non-functional printer.

Error LED and Buzzer

Explains error indications from LED flashes and buzzer alerts.

Problems During Printing

Provides solutions for common printing issues like paper feeding or print quality.

Accessories

Spill Proof Cover

Describes the spill proof cover accessory for protecting the printer.

HERALD – Kitchen Alarm System

Describes the HERALD kitchen alarm system accessory.

Power Supply CASE

Explains the use of the Power Supply CASE accessory for internal adapter mounting.

Wall Mounting

Instructions for securely mounting the printer vertically on a wall.

Power Management

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54 pages

Shandong U80II User Manual

Table of Contents