7-4
Notes on setting DIP switch 2-3 to ON
• The printer mechanism stops but does not become busy when an error has occured, the cover is open, printing stops
due to a paper end, or paper is fed using the PAPER FEED button.
• When setting DIP switch 2-3 to ON to enable handshaking with the printer, be sure to check the printer status using
the GS a command and the ASB function. In this setting, the default value of n for GS a is 2. The printer automatically
transmits the printer status, depending on on-line/off-line changes.
• When using DLE EOT and DLE ENQ, be sure that the receive buffer does not become full.
• When using a host that cannot transmit data when the printer is busy and if an error occurs, DLE EOT and
DLE ENQ cannot be used when the printer is busy due to a receive buffer-full state.
• When using a host that can transmit data when the printer is busy and the receive buffer becomes full while
transmitting bit-image data, not as a command. Secondly, any data transmitted when the receive buffer is full may
be lost. Thirdly, data sent during data entry or data sent when the printer is busy may be lost regardless of the
DIP switch setting.
Example: Check the printer status using ESC v or ESC u after transmitting each line of data and use the 4K byte
receive buffer. Transmit one line of data so that the receive buffer does not become full.
DIP Switches
Table 7-2. TM-U375P DIP Switch 1
SW1 Function ON OFF
1 Auto-line feed Enabled Disabled
2 Receive buffer capacity 40 byte 4K byte
3 Undefined
4 Undefined
5 Undefined
6 Undefined
7 Undefined
8 Undefined
CONFIDENTIAL
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