Service manual

Rev. B Features and General Specifications 1-19
TM-U200 Series (Type B) Service Manual
Confidential
Notes on setting DIP switch 1-8 to ON
The printer mechanism stops but does not become busy when an error occurs, printing stops for
a paper end, or paper is fed using the
FEED
button.
When setting DIP switch 1-8 to ON to enable handshaking with the printer, be sure to check the
printer status with
GS a
and 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.
❏
If the host cannot transmit data when the printer is busy or if an error occurs,
DLE EOT
and
DLE ENQ
cannot be used when printer is busy because the receive buffer has become full.
❏
With a host that can transmit data when the printer is busy, if the printer’s receive buffer
becomes full while the host is sending bit-image data, a
DLE EOT
or
DLE ENQ
command
transmitted during sending of bit-image data is processed as bit-image data, not as a
command. Secondly, any data transmitted when the receive buffer is full may be lost.
Example: Check printer status using
GS r
after transmitting each line of data and use the 1KB
receive buffer. Transmit one line of data so that the receive buffer does not become full.
Buttons and Switches
Power Switch
Note:
Turn on the power only after connecting the power supply.
Panel Button
The panel button is enabled or disabled by the
ESC c 5
command. This button is inactive if it is
disabled.
Note:
The
ESC c 5
command enables or disables the panel button. When disabled, the button does not
function. However, when loading a paper roll, you can feed paper with the FEED button during the
paper loading waiting time if the paper loading waiting time is set by
GS z 0
. Press the FEED button
again after the PAPER OUT LED starts blinking to return the printer to the on-line state.
Type:
Rocker switch
Function:
The power switch turns the power on or off.
Feed
(FEED)
button:
Type: Non-locking push button
Function: Feeds paper based on the line feed amount set by
ESC 2
and
ESC 3
.