FAQ (Frequently Asked Questions) : Command Reference
Command Printing
Our answers to frequently asked questions about command printing so far are shown below. Before you email us your questions, please check the following.
When sending a command via a network (wired/wireless LAN), what network protocols are available?
Any one of the following protocols is available.
- TCP/IP (Port 9100)
- LPR
- FTP
How do I get the status via a network?
Please send the following OID to the printer by using the SNMP protocol.
1.3.6.1.4.1.2435.3.3.9.1.6.1.0
This enables you to retrieve MIB information of the status from a printer.
This retrieved information is the same as the return value of the status request information in the ESC/P command reference. For details, please refer to the ESC/P command reference.
| Target Models : | RJ-2050, RJ-2140, RJ-2150 RJ-3050, RJ-3050Ai, RJ-3150, RJ-3150Ai RJ-3250WB RJ-4040 RJ-4250WB TD-2120N, TD-2130N TD-4420DN, TD-4520DN, TD-4550DNWB PJ-773, PJ-883 PT-P750W, PT-P900W, PT-P950NW QL-810W, QL-820NWB, QL-1110NWB |
How do I get the printer information via a network?
Please send the following OID to the printer by using the SNMP protocol.
| OID | Printer Information | Example (RJ-4040) |
|---|---|---|
| 1.3.6.1.4.1.1240.2.3.4.5.2.3.0 | IP address | 010.226.150.051 |
| 1.3.6.1.4.1.1240.2.3.4.5.2.4.0 | Subnet Mask | 255.255.000.000 |
| 1.3.6.1.4.1.1240.2.3.4.5.2.12.0 | MAC address | XXXXXXXXXXXX |
| 1.3.6.1.2.1.1.6.0 | Printer name(Printer location) | "" |
| 1.3.6.1.2.1.25.3.2.1.3.1 | Model | Brother RJ-4040 |
| 1.3.6.1.2.1.43.5.1.1.17 | Serial number | XXXXXXXXX |
| Target Models : | RJ-2050, RJ-22140, RJ-22150 RJ-3050, RJ-3050Ai, RJ-3150, 3150Ai RJ-3250WB RJ-4040 RJ-4250WB TD-2120N, TD-2130N TD-4420DN, TD-4520DN, TD-4550DNWB PJ-773, PJ-883 PT-P750W, PT-P900W, PT-P950NW QL-810W, QL-820NWB, QL-1110NWB |
How do I get the MPS (Managed Print Service) related information via a network?
Please check "List of MPS Related Information".
![[ZIP]](/g/s/es/dev/media/common/img/link_icon/02_zip.png){kind=icon}
How do I send a command via Bluetooth Low Energy?
There are two ways to send commands via Bluetooth Low Energy.
-
Please use Brother Print SDK for iOS/Android™. They have the ability to send commands easily.
Target Models : PJ-883
RJ-3230B, RJ-3250WB, RJ-4230B, RJ-4250WB
TD-4550DNWB
Please use Brother Print SDK for iOS Type B. They have the ability to send commands easily.
Target Models : RJ-2035B, RJ-3035B
- Another solution is Brother Bluetooth Low Energy Parser Service. This is the minimal GATT(Generic Attribute Profile) service designed to facilitate parser communication in as similar a fashion to SPP(Serial Port Profile) as the GATT model allows.
Target Models : PJ-883
RJ-3230B, RJ-3250WB, RJ-4230B, RJ-4250WB
TD-4550DNWBThe data structure of GATT is as follows.
For details on how to connect via GATT, please refer to the Bluetooth Low Energy communication standard.UUID Type Description a76eb9e0-f3ac-4990-84cf-3a94d2426b2b Service UUID a76eb9e1-f3ac-4990-84cf-3a94d2426b2b Characteristic From Printer Data a76eb9e2-f3ac-4990-84cf-3a94d2426b2b Characteristic To Printer Data
Target Models : RJ-2035B, RJ-2055WB, RJ-3035B, RJ-3055WB
TD-4650TNWB, TD-4650TNWBR, TD-4750TNWB, TD-4750TNWBR
TJ-4420TN, TJ-4422TN, TJ-4520TN, TJ-4522TN, TJ-4620TNThe data structure of GATT is as follows.
For details on how to connect via GATT, please refer to the Bluetooth Low Energy communication standard.UUID Type Description 49535343-FE7D-4AE5-8FA9-9FAFD205E455 Service UUID 49535343-1E4D-4BD9-BA61-23C647249616 Characteristic From Printer Data 49535343-8841-43F4-A8D4-ECBE34729BB3 Characteristic To Printer Data
We would like to know the wiring layout for a serial cable to send a command with serial interface.
For the wiring layout for a serial cable at the printer main body side, please refer to the Instruction Manual of the printer.
When sending an ESC/P command from the host, does the printer respond to the command?
No response returns. You have to send a status check command every time.
When sending an ESC/P command from the host, does the printer return an error response?
No error response returns. You have to send a status check command every time.
How do I detect whether the printer is connected via USB or whether the printer is turned on with a program?
When the PC and the printer is connected via USB and your program is based on the Windows printer driver, you can determine whether the powered printer is connected before sending a print command by checking the online status of the printer with the OS functions.
If the printer is determined as offline, it cannot be determined whether the printer is disconnected or it is connected and turned off.
How do I detect whether the printer is out of paper with a program?
When paper shortage condition occurs after you turn on the printer and print once, if recovery printing is disabled, you can check whether the printer is out of paper with a command.
To check this, while an out-of-paper error occurs, send a printer status request and check the "End of media" error flag of the error information 1.
For details, refer to the "ESC i S printer status request" of the Printer Status Request Command Reference Manual.
For the recovery print setting, refer to the Command Reference Manual.
For the printers with no paper detection function, it cannot be detected whether paper shortage condition occurs before printing immediately after power-on due to their specifications.
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