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Chapter 7 Print Control Codes
54
(8) Real time enquiry to printer (DLE ENQ n)
Code: [10] h + [05] h + n
* (1 ≤ n ≤ 2) Data are expressed in Hex code.
The printer responds to the requests from the host in real time according to the speci-
fication of n.
n = 1: Resumes printing from the head of the line where an error occurred after
recovery from that error.
n = 2: The printer recovers from the error after clearing the receiving buffer and
the print buffer.
• This command is enabled only when an auto cutter error has occurred.
• This command is processed when it is received.
• This command is executed even when the receiving buffer is full.
• In cases where the [10] h [05] h n (1 ≤ n ≤ 2) data string is received, even when it
is other than this command, the user's attention is necessary because the printer's
operation will be the same as when this command is executed.
[Example]
In ESC* m nl nh [d] k, d1 = [10] h, d2 = [05] h, d3 = [10] h.
• Do not insert this command in the code strings of other commands consisting of
codes with 2 bytes or more.
[Example]
If the host side wants to send ESC 3 n, then DLE EOT 3 is sent just at the point
where ESC 3 has been sent, the printer will process the command as ESC 3 [10] h.
Therefore, the user's attention is necessary.
• Even if DLE ENQ 2 is executed, the printer will maintain the state it was in when
an error with contents set by ESC !, ESC 3, etc. was generated. The printer can be
completely initialized by this command and ESC@.
(9) Printing of data in the page mode (ESC FF)
Code: [1B] h + [0C] h
This prints out all the data developed in the entire printing area in the Page mode at
once.
• This command is enabled only when Page mode is selected.
• The printer prints on the printing sheet selected by ESC c 0.
• The developed data, ESC T and ESC W setting values, and character development
positions are maintained even after printing.