HP 706C User Manual download pdf (Page 38)

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If you wish to clear a print job is sent in error, you must send the

clear

buffer sequence

which consists of the Printer Select Code followed by

CLR

. This command will only affect print jobs originated by your

computer. Print jobs in the buffer from other computers are not

affected. The clear buffer sequence will clear the most recent print

job sent to Print Master from your computer. This command will not

clear a printer's buffer of data already passed to the printer from Print

Master.

The clear buffer sequence is operable in either Printer Select Mode 1

or Mode 2. In Printer Select Mode 1, however, since Print Master is

transparent after the first 16 characters are received, the computer

must wait for the input inactivity timeout to occur before sending the

clear buffer command. The clear buffer sequence may be sent by

creating a clear buffer file or program (see

Section 6.2.8

NOTE:

In Print Select Mode 1, the Model 706A and 708A will

recognize the printer select code only if the very first characters of the

print job contain the printer select code.

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Print Master scans for a minimum size print job of three (3)

characters. If more than 3 characters are received within the

designated input inactivity timeout interval, the unit will treat these

characters as a print job. If less than 3 characters are received, these

characters will be discarded.

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HP 706C User Manual Page 38