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c.
d.
e.
FF code
(X'OC')
When receiving the FF code,
the printer advances the form to the
channel-l position
(TOF)
specified by data in the FCB or format
control tape
(FCT).
When channel 1 is not specified, the printer
treats the first line on a page as the TOF and advances the form to
that position.
CR code
(X'OD')
The CR code indicates the end of a line.
When it receives the CR
code,
the printer prints characters corresponding to the received
character codes starting from column 1. Either one-line forms feed
mode (this is the same as the mode selected by the LF code) or
forms-feed inhibited mode can be selected for after printing.
FCB command control code
(X'lF')
When
,it
recei.ves
two bytes of the FCB command control code and the
subsequent FCB command,
the printer terminates the data transfer
cycle and prints the contents of the PDB, then advances the form as
specified.
For details on the FCB commands, see Section 5.5.
(2) ESC code
(X'IB')
The ESC code is used to switch the line spacing (6 LPI or 8 LPI) from the
host.
The host issues the ESC code before loading the FCB data. The ESC
code is required only if the line spacing must be switched.
The line spacing is specified in one byte after the ESC code, as follows:
ESC
(X'lB')
+ 6
(X136')
Set to 6 LPI.
ESC
(X'lB')
+ 8
(X138')
Set to 8 LPI.
ESC
(X'lB')
+ 0
(X130')
Reset to the line spacing specified on the
operator panel.
The ESC code function can be disabled by setting on the operator panel.
(3) Start code
(X'lD')
and stop code
(X'lE')
The start and stop codes are used to load the forms feed format in the
FCB.
Within 300
us
after it receives the start
c&s,
the printer sets the
Busy signal to 0,
enabling FCB data to be received.
For details on FCB
data reception,
see Section 5.4.1.
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