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Communication buffer size
This function selects the maximum size of the input buffer. An appropriate selection is
displayed according to another setup options like the emulation type of either IBM or FX mode.
When the selection of this function is completed, the printer is intialized.
The buffer size affects the signal protocol in serial data communication. In these protocols the
printer's busy/ready state changes according to the data remaining values in the buffer.
Setting of whether ERROR/PE signals are output or not.
(1) Setting is made whether or not ERROR and PE signals for the parallel interface are output.
(2) When "NO" is selected, ERROR signal remains HIGH, and PE signal remains LOW, in any
situation.
Print direction
Selects either pre-directional printing, bi-directional printing, or uni-directional printing.
• Pre-directional printing:
Whenever a double pass of the print head is required, the direction of the second pass is the
same as that of the first pass. This logic-seeking, unidirectional printing can be used,
therefore, in modes such as double strike and double height printing. The logic seeking
capability is executed before the first pass of the print head. The printing direction of all paths
is the same as that of the first pass.
• Bi-directional printing:
Successive passes of the print head alternate between the left-right and right-left direction.
• Uni-directional printing:
Data is always printed in a single direction from the left to the right. This selection on the
front panel will ignore a software print direction command.
When unidirectional printing is set, a software command with respect to the printing direction
is not accepted. When pre-directional printing or bidirectional printing is set, a software
bidirectional command is executed.
50
5. Extended setup options (40-42)
1 Ready to busy (CIN) Busy to ready (CRN)
B.SIZE:20KBor8KB
1k bytes 2k bytes
B.SIZE:128B 32 bytes 64 bytes
40 BUFFER SIZE
B.SIZE:20KB
B.SIZE:8KB
B.SIZE:128B
.................... FX, BP-A/I mode
.................... IBM mode
.................... Minimum input buffer size in any mode
42 PRINT DIR
PRE-DIRECTION
UNI-DIRECTION
BI-DIRECTION
.................... Default print direction
.................... Ignores the software command (ESC U).
41 ERROR STATUS
STATUS SIG.:YES
STATUS SIG.:NO