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Specifications

Printing

Printing Technology

Direct Thermal

Print Resolution

203 dpi

Print Speed (depending on the media used) *1

Maximum 5 ips (127 mm/s)

Maximum 5 ips (127 mm/s) (When the Label Peeler is used.)

Maximum 3 ips (76.2 mm/s) (When the Linerless Platen Upgrade is used.)

Maximum Print Width
  • RJ-3235B/RJ-3255WB

    2.8" (72 mm)

  • RJ-4235B/RJ-4255WB

    4.09" (104 mm)

Maximum Print Length
    • Continuous:

      118.11" (3,000 mm)

    • Die-cut/Media with black marks:

      39.37" (1,000 mm)

Minimum Print Length
  • Continuous:

    0.47" (12.0 mm)

  • Die-cut:

    0.71" (18.0 mm)

  • Media with black marks:

    0.5" (12.7 mm)

*1

RJ-3235B/RJ-3255WB: When using Brother's printing test data <2.99" x 1.14" (76 mm x 29 mm), print coverage 10%> and printing continuously with a USB connection using a new fully charged lithium-ion battery in an environment of 73.4°F (23°C).

RJ-4235B/RJ-4255WB: When using Brother's printing test data <4.02" x 1.14" (102 mm x 29 mm), print coverage 7%> and printing continuously with a USB connection using a new fully charged lithium-ion battery in an environment of 73.4°F (23°C).

Printer Size

Weight (including the rechargeable Li-ion battery)
  • RJ-3235B/RJ-3255WB

    Approximately 1.79 lb (810 g)

  • RJ-4235B/RJ-4255WB

    Approximately 1.87 lb. (850 g)

Dimensions
  • RJ-3235B/RJ-3255WB

    Approximately 4.6" (W) x3" (H) x 7.1" (D) (117 mm (W) x 77 mm (H) x 180 mm (D))

  • RJ-4235B/RJ-4255WB

    Approximately 6.02" (W) x 2.67" (H) x 6.26" (D) (153 mm (W) x 68 mm (H) x 159 mm (D))

Interface

USB

USB Ver.2.0 (Full Speed) (Type-C)

Bluetooth

SPP, OPP, HCRP (Bluetooth Classic), GATT (Bluetooth Low Energy)

Ethernet

10 or 100 Mbps Ethernet (Enabled automatically when the printer is placed on the Active Docking Station)

Wireless LAN (5 GHz)

IEEE 802.11 a/n (Infrastructure Mode)

Wireless LAN (2.4 GHz)

IEEE 802.11 b/g/n (Infrastructure Mode)

IEEE 802.11 g/n (Wireless Direct mode)

Protocol (IPv4)
ARP, RARP, BOOTP, DHCP, APIPA(Auto IP), WINS/NetBIOS Name Resolution, DNS Resolver, mDNS, LLMNR Responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Client and Server, SNMPv1/v2c/v3, HTTP/HTTPS Client and Server, TFTP Server, ICMP, Web Services (Print), SNTP Client
Protocol (IPv6)
NDP, RA, DNS Resolver, mDNS, LLMNR Responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Client and Server, SNMPv1/v2c/v3, HTTP/HTTPS Client and Server, TFTP Server, ICMPv6, Web Services (Print), SNTP Client
Network Security (Wired)

SSL/TLS1.0/1.1/1.2/1.3 (HTTPS, IPPS)

SNMPv3, 802.1x (EAP-MD5, EAP-FAST, PEAP, EAP-TLS, EAP-TTLS)

Network Security (Wireless)

SSL/TLS1.0/1.1/1.2/1.3 (HTTPS, IPPS)

SNMPv3, 802.1x (EAP-FAST, PEAP, EAP-TLS, EAP-TTLS)

Wireless Network Security

WEP 64/128 bit, WPA-PSK (TKIP/AES), WPA2-PSK (AES), WPA3-SAE (AES)

Wireless Certification
Wi-Fi Certification Mark License (WPA™/WPA2™/WPA3™ - Enterprise, Personal), Wi-Fi Protected Setup™ (WPS) Identifier Mark License

Environment

Operating Temperature
  • RJ-3235B/RJ-3255WB
    • Operation:

      Rechargeable Li-ion Battery: 5°F to 122°F (-15°C to 50°C)

      Recommended: 32°F to 104°F (0°C to 40°C)

      With Label Peeler: 14°F to 95°F (-10°C to 35°C)

      With Linerless Platen Upgrade: 50°F to 86°F (10°C to 30°C)

    • Charging:

      32°F to 104°F (0°C to 40°C)

      Recommended: 41°F to 95°F (5°C to 35°C) *1

  • RJ-4235B/RJ-4255WB
    • Operation:

      Rechargeable Li-ion Battery: 5°F to 122°F (-15°C to 50°C)

      Recommended: 32°F to 104°F (0°C to 40°C)

      AC Adapter: 14°F to 104°F (-10°C to 40°C)

      Car Adapter: 14°F to 122°F (-10°C to 50°C)

      With Linerless Platen Upgrade: 50°F to 86°F (10°C to 30°C)

    • Charging:

      32°F to 104°F (0°C to 40°C)

      Recommended: 41°F to 95°F (5°C to 35°C) *1

Operating Humidity *2

From 10% to 90%

From 10％ to 50％ (When the Label Peeler/Linerless Platen Upgrade is used.

*1
If the internal temperature of the battery is out of this range, charging may stop.
*2

No Condensation, Maximum wet bulb temperature: 80.6°F (27°C)

Power Supply

Rechargeable Li-ion Battery
Rechargeable Li-ion battery: 7.2 V
AC Adapter (Optional)

AC Adapter (15 V)

Car Adapter (Optional)

Car Adapter or Wired type (12 V (DC))

Maximum number of printed labels *1 *2
  • RJ-3235B/RJ-3255WB

    15,000

  • RJ-4235B/RJ-4255WB

    10,000

Charging time *3
  • About 3 hours (with AC adapter)
  • About 3 hours (with USB Type-C (C-C) cable)
  • About 9 hours (with USB Type-C (C-A) cable)
*1

RJ-3235B/RJ-3255WB: Using Brother's printing test data <2.99" x 1.14" (76 mm x 29 mm), printing rate 10%> at 73.4°F (23°C).

RJ-4235B/RJ-4255WB: Using Brother's printing test data <4.02" x 1.14" (102 mm x 29 mm), print coverage 7%> at 73.4°F (23°C).

*2

When using a fully charged new rechargeable battery and continuously printing via USB connection. However, the above information cannot be guaranteed as it changes depending on printing conditions, usage environment, battery deterioration, etc.

*3

When the printer is turned off, a new Rechargeable Li-ion Battery is used, and charged at 73.4°F (23℃).

Charging time from when Recharge Battery! appears on the LCD to full charge.

Media Specification

The media material may affect the print quality.

In order to achieve optimum print results, we recommend using genuine Brother media.

Media Type

Receipt, Gap/Black mark Label, Tag, Linerless (Optional)

Media Width
  • RJ-3235B/RJ-3255WB

    From 1" to 3.14" (From 25.4 mm to 80 mm)

  • RJ-4235B/RJ-4255WB

    From 1.77" to 4.49" (From 45 mm to 114 mm)

Thickness

Receipt: From 2.2 mil to 3.5 mil (From 0.058 mm to 0.090 mm)

Tag: From 3.5 mil to 5.5 mil (From 0.090 mm to 0.135 mm)

Label: From 3.1 mil to 6.6 mil (From 0.080 mm to 0.170 mm)

Roll Outside Diameter (maximum)

  • RJ-3235B/RJ-3255WB

    2.6" (66 mm)

  • RJ-4235B/RJ-4255WB

    2.3" (58 mm)

Media Roll Holder Core Diameter

  • RJ-3235B/RJ-3255WB

    Standard (Black): 0.5"- 0.51" (12.7 mm - 13.0 mm) / 0.75" (19.0 mm) (Default: 0.75" (19.0 mm))

    In-box (Gray): 1” (25.4 mm)

  • RJ-4235B/RJ-4255WB

    Standard (Black): 0.5”-0.51”(12.7 mm-13.0 mm) / 0.75”(19.0 mm) (Default: 0.5”-0.51” 12.7 mm-13.0 mm)

    In-box (Gray): 1” (25.4 mm)

Media Sensor
Transmissive, Reflective

Others

Drop Protection *1
  • RJ-3235B/RJ-3255WB

    2.0 m

  • RJ-4235B/RJ-4255WB

    2.1 m

Sealing
IP54 rated
Vibration/Shock
MIL-STD-810G
*1

Multiple drops to concreate, under controlled enviroment.

Compatible Operating Systems

For the latest list of compatible software, visit support.brother.com/os.

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