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FUJITSU M304X User Manual

Page 38

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line data is received within 14 ms, the print speed of the printer drops and
does not achieve the rated print speed.

If the control code

the Paper Instruction signal is received without print

data,

the printer does not print and only feeds forms.

If the received print

data is more than 132 or 136 bytes (one of them is selectable), data of the

137th or higher byte is ignored.

If the received print data is less

than 132 (or

bytes, the remaining data is printed as spaces.

The print operation above is shown in Figure 4.2.

Control code or the Skip

Space command

with

Instruction signal

Data

edition

Data Request= 1

Print operation for

4.2 Print operation

4.2 Interface Signals

This section explains the interface signal functions and physical
specifications.

4.2.1 Interface signal lines

Table 4.1 explains the OPC-compatible interface signal lines.

Figures 4.3 a

4.4 show the timing chart of this interface and the timing specifications in
data transfer respectively.

This printer has a print data buffer

for 136 characters.

While a WMR

signal and Online signal are being generated, print data is received according

to the Figure 4.3.

Printing starts after the following control code or Paper

Instruction signal is received.

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