Brother RJ-2035B Manual

The Brother RJ-2035B is a compact and efficient thermal receipt printer designed for point-of-sale (POS) systems, featuring high-speed printing, multiple connectivity options, and easy paper loading. It supports various barcodes, fonts, and graphics, and includes automatic cutter functionality. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Indicators 6. Connecting to Devices 7. Printing Operations 8. Maintenance & Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Thermal print head, automatic cutter, paper compartment, control panel, and multiple interface ports.

Feature	Description
Print Method	Direct thermal printing
Print Speed	Up to 150 mm/sec
Paper Width	58 mm (2.28 inches)
Connectivity	USB, Serial (RS-232), Ethernet (optional)
Cutter	Automatic full cutter
Barcode Support	Code 39, Code 128, UPC-A/E, EAN-8/13, etc.
Fonts	Multiple internal fonts, scalable fonts
Graphics	Supports bitmap printing
Power Supply	24V DC external adapter
Operating Environment	5°C to 40°C (41°F to 104°F)

Installation

Unpack and inspect contents. Place on a stable, flat surface.

Install paper roll: Open paper compartment, insert roll with paper facing outward, close cover.
Connect interface cable: Use USB, serial, or Ethernet cable as required by your system.
Connect power: Plug the 24V DC adapter into the printer and then into a power outlet.
Power on: Press the power button; the printer will initialize.

WARNING! Do not place the printer near heat sources or in direct sunlight. Ensure proper ventilation.

First-Time Setup

Power on the printer; follow these steps for initial configuration.

Load paper: Ensure paper is correctly threaded past the print head and cutter.
Run self-test: Hold the FEED button while powering on to print a configuration report.
Configure interface: Use DIP switches or software to set communication parameters (baud rate, parity).
Install drivers: Install the appropriate driver for your operating system from the Brother website.
Test print: Send a test print from your POS software or using provided utilities.

CAUTION! Handle the print head with care; avoid touching the thermal elements.

Specifications

Model: Brother RJ-2035B.
Print Method: Direct thermal.
Print Speed: Max 150 mm/sec.
Resolution: 203 dpi (8 dots/mm).
Paper Width: 58 mm ±1 mm.
Paper Roll Diameter: Max 83 mm outer diameter.
Interface: USB 2.0, Serial RS-232, Ethernet (optional module).
Power Consumption: Approx. 24V DC, 1.5A (during printing).
Dimensions (WxDxH): 140 mm x 175 mm x 130 mm.
Weight: Approx. 1.2 kg (2.6 lbs).

Controls and Indicators

Front Panel: POWER button, FEED button, LED indicators (Power, Error, Online).

LED Indicators: Power (green) - power on; Error (red) - paper out, head open, or other error; Online (green) - ready to receive data.

FEED Button: Press to feed paper; hold during power-on for self-test.

DIP Switches (inside): Configure interface settings, auto-cutter, buzzer, etc.

Software Settings: Configure via driver or ESC/POS commands for print density, character sets, margins.

Connecting to Devices

USB: Standard USB Type-B port. Serial: DB-9 male connector. Ethernet: Requires optional interface module.

Turn off printer and device before connecting cables.
Connect appropriate cable (USB, serial, or Ethernet) securely.
Set DIP switches if using serial interface to match host settings (baud rate, data bits, parity).
Power on devices and install drivers if needed.

Tip: Use shielded cables for serial connections to reduce interference.

Printing Operations

Supports text, barcodes, and graphics via ESC/POS commands.

Power on: Ensure paper is loaded and printer is online (green LED).
Send print data: From POS software or command line.
Automatic cutting: After each receipt if auto-cutter is enabled.
Manual feed: Press FEED button to advance paper without printing.
Font selection: Use software commands to select internal fonts or download fonts.
Barcode printing: Specify type, data, height, and width via commands.
Graphics: Print bitmaps using appropriate raster commands.

WARNING! Do not touch the print head during operation; it may be hot. Keep fingers away from cutter area.

Maintenance & Cleaning

Unplug printer before cleaning. Use a soft, dry cloth to clean exterior. Clean print head with isopropyl alcohol and lint-free swab if print quality degrades.

CAUTION! Do not use abrasive cleaners or solvents. Ensure printer is completely dry before powering on.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for residential installations. CE marked for European compliance. RoHS compliant. Copyright © Brother Industries, Ltd. For support, visit www.brother.com or contact Brother customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power adapter, outlet	Check power adapter connection; try different outlet; ensure power switch is on.
Paper not feeding	Paper jam, incorrect loading	Open cover, remove jam; reload paper correctly facing outward.
Faint printing	Low print density, worn head	Increase print density via software; clean print head; replace if necessary.
No communication	Cable, settings, driver	Check cable connections; verify interface settings (DIP switches); reinstall driver.
Cutter not working	Blunt blade, obstruction	Check for paper bits; replace cutter blade if worn; ensure auto-cutter enabled.

Reset: Power off, wait 10 seconds, power on. For factory reset, consult advanced manual.

Service: Contact Brother authorized service center; visit www.brother.com for support.