Brother RuggedJet RJ4235BL Mobile 4" Label Printer – Bluetooth, USB, NFC The Brother RuggedJet RJ4235BL is a rugged 4" mobile label printer designed for logistics, warehousing, field service, and mobile operations. Built for durability and mobility, it delivers fast, reliable printing of labels, receipts, and shipping documents in demanding environments. With Bluetooth (MFi), USB, and NFC pairing, the RJ4235BL connects easily to mobile devices, tablets, and computers, making it ideal for on-the-go printing workflows. Best For Shipping and logistics operations Warehouse inventory and barcode labeling Field service and mobile workforce Delivery drivers and route operations Compatible With iOS (iPhone / iPad – MFi certified) Android mobile devices Windows systems Labeling software supporting ZPL and CPCL Key Features 4" mobile label printing – supports labels, receipts, and tags Fast print speeds – up to 5 inches per second Rugged design – IP54 rated for dust and moisture resistance Drop protection – tested for demanding field use Bluetooth (MFi), USB, NFC – flexible connectivity options ZPL / CPCL support – easy integration with existing systems Long battery life – includes rechargeable Li-ion battery What’s Included RJ4235BL Mobile Printer Rechargeable Li-ion Battery Belt Clip Documentation 2-Year Premier Warranty Compatible Supplies This printer uses direct thermal labels and receipt media designed for 4" mobile printers. Why Choose the RJ4235BL? The RJ4235BL is built for businesses that require durable, high-performance mobile printing. With rugged construction, flexible connectivity, and support for industry-standard printer languages, it integrates easily into existing logistics and warehouse systems. Important This is a direct thermal mobile printer and does not require ink or toner. It is designed for mobile and rugged environments, not traditional countertop POS use. Frequently Asked Questions What is the difference between RJ4235BL and RJ4230BL? The RJ4235BL includes support for ZPL/CPCL emulation, making it easier to integrate with existing label printing systems. What can this printer print? It prints labels, receipts, shipping labels, and tags from 2" to 4" wide. Is this printer compatible with iPhones and iPads? Yes, it supports Bluetooth (MFi) and works with iOS devices. Does it require ink or toner? No, it uses direct thermal printing and only requires compatible label media.