Specifications

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TM-U590 series
Specification
(STANDARD)
2.1.3.2 Switching between online and offline
The printer does not have an online/offline switch.
The printer goes offline:
1) Between when the power is turned on (including reset using the interface) and when the
printer is ready to receive data.
2) During the self-test.
3) When the cover is open.
4) When a temporary abnormality occurs in the power supply voltage.
5) When an error has occurred.
6) During paper feeding using the FORWARD/REVERSE button.
2.1.3.3 Interface pin assignments
Table 2.1.8 TM-U590 series Printer Status and Signals
Pin Number Signal name Signal direction Function
1 FG -- Frame ground
2 SD1 Output Transmit data
3 SD2 Output Transmit data
4 RD1 Input Receive data
5 RD2 Input Receive data
7 SG -- Signal ground