RJ-4030Ai - Printer BROTHER - Free user manual and instructions
Find the device manual for free RJ-4030Ai BROTHER in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Product Type | Mobile Thermal Printer |
| Brand | Brother |
| Model | RJ-4030Ai |
| Print Technology | Direct Thermal |
| Print Resolution | 203 dpi |
| Print Speed | Up to 5 inches per second |
| Maximum Print Width | 4.09 inches (104 mm) |
| Media Width | 1.0 to 4.4 inches (25.4 to 112 mm) |
| Connectivity | Bluetooth 2.0 + EDR, Wi-Fi (802.11 b/g/n), USB 2.0 |
| Battery | Rechargeable Li-ion 7.4V, 2600 mAh |
| Battery Life | Up to 300 receipts per charge (typical) |
| Power Supply | AC adapter (100-240V, 50/60Hz) or battery |
| Dimensions (W x D x H) | 2.5 x 7.9 x 3.9 inches (63 x 200 x 99 mm) |
| Weight | 1.5 lbs (680 g) including battery |
| Durability | Drop resistant up to 6.6 ft (2 m), IP54 rated |
| Supported Languages | Multiple including English, French, Spanish, etc. |
| Maintenance | Clean print head with alcohol swab; use only recommended thermal paper |
| Safety | Do not expose to liquids; avoid extreme temperatures; use only Brother-approved accessories |
| Repairability / Spare Parts | Battery, chargers, cables, and print head available through Brother support |
| General Information | Portable receipt printer ideal for mobile POS, field service, and ticketing |
Frequently Asked Questions - RJ-4030Ai BROTHER
How do I connect the RJ-4030Ai to my smartphone?
Enable Bluetooth on your device and power on the printer. The printer will appear as 'Brother RJ-4030Ai'. Pair it using the default PIN 0000. You can also use the Brother iPrint&Label app for easy setup.
What type of paper does the RJ-4030Ai use?
It uses direct thermal paper rolls. The recommended width is between 1.0 and 4.4 inches (25.4 to 112 mm), with a maximum roll diameter of 2.6 inches (66 mm). For best print quality, use Brother genuine thermal paper.
How long does the battery last?
On a full charge, the battery can print up to 300 receipts (typical usage). Standby time is several days. Charging time is approximately 2.5 hours using the supplied AC adapter.
Can I use the printer while it is charging?
Yes, you can operate the RJ-4030Ai while connected to the AC adapter. However, charging may be slower if the printer is in continuous use.
How do I clean the print head?
Turn off the printer and open the cover. Use a cotton swab moistened with isopropyl alcohol to gently wipe the print head. Allow it to dry completely before closing. Regular cleaning every few rolls prevents print quality issues.
What should I do if the printer is not printing?
Check that the paper is loaded correctly and the cover is closed. Ensure the battery is charged or the adapter is connected. Verify Bluetooth or Wi-Fi connection. If the LED flashes red, refer to the manual's error codes.
Is the RJ-4030Ai water resistant?
The printer has an IP54 rating, meaning it is protected against dust and splashing water from any direction. It is not submersible. Avoid using in heavy rain or wet environments.
How do I update the firmware?
Download the latest firmware from Brother's support website. Connect the printer via USB to a PC and run the update tool. Do not turn off the printer during the update.
What does the orange LED mean?
An orange LED indicates the battery is low (below 20%). Charge the printer soon. A blinking orange LED may indicate a charging error; disconnect and reconnect the charger.
Can I print from multiple devices?
The printer can be paired with multiple Bluetooth devices, but only one can print at a time. For Wi-Fi, it can connect to a network and be accessed by multiple devices via IP address, but simultaneous printing is not supported.
User questions about RJ-4030Ai BROTHER
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your Printer in PDF format for free! Find your manual RJ-4030Ai - BROTHER and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. RJ-4030Ai by BROTHER.