Epson TM-U200 series Technical Manual page 25

C o n fid e n tia l
Switching between on line and off line
The printer does not have an on-line/off-line button. It goes off line under the following
conditions:
Between the time when power is turned on (including reset using the interface) and when
the printer is ready to receive data.
During the self-test.
During paper feeding using the paper FEED button.
Between the time when the printer stops printing for a paper-end and when the on-line
recovery wait time finishes after loading paper (if an empty paper supply is detected by
either the paper roll end detector or the paper roll near-end detector with a printing halt
feature enabled for low paper by ESC c 4).
When an error has occurred.
XON/XOFF transmission timing
When XON/XOFF control is selected, the printer transmits XON or XOFF signals as follows.
Printer status
• When the printer goes on line after turning power on or after
reset using the interface.
XON
• When the receive buffer is released from the buffer full state.
transmission
• When the printer switches from off line to on line (*1).
• When the printer recovers from an error through a command.
XOFF • During an error condition.
transmission • When the receive buffer becomes full (*2).
(*1) XON is not transmitted when the receive buffer is full.
(*2) XOFF is not transmitted when the receive buffer is full.
NOTE: The XON code is 11H and the XOFF code is 13H.
Rev. A
TM-U200 Series (Type B) Technical Manual
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Features and General Specifications 1-15
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