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CONFIDENTIAL
RP-U420 Status commands DLE EOT
Ver. 1.0
p. 72
■ ■ ■
more
■ ■ ■
more
•
n
= 6: Validation status
[Notes] ■ The status is transmitted whenever the data sequence of <10>H <04>H <
n
>
(1 ≤
n
≤ 4 or 6) is received.
Example:
In ESC *
m nL nH d1...dk
,
d1
=<10>H,
d2
=<04>H,
d3
=<01>H
■ This command should not be used within the data sequence of another command that consists of 2 or
more bytes.
Example:
If you attempt to transmit ESC !
n
to the printer, but DTR (DSR for the host computer) goes to MARK
before
n
is transmitted and then DLE EOT 3 interrupts before
n
is received, the code <10>H for
DLE EOT 3 is processed as the code for ESC ! <10>H.
■ Even though the printer is not selected using ESC = (select peripheral device), this command is effective.
■ The printer transmits the current status. Each status is represented by one-byte data.
■ The printer transmits the status without confirming whether the host computer can receive data.
■ The printer executes this command upon receiving it.
Bit Off/On Hex Decimal Function
0 Off 00 0 Not used. Fixed to Off.
1 On 02 2 Not used. Fixed to On.
2 Off 00 0 Validation is not selected.
On 04 4 Validation is selected.
3 Off 00 0 Not validation insertion waiting state.
On 08 8 Within validation insertion waiting state.
4 On 10 16 Not used. Fixed to On.
5 Off 00 0 Validation sensor does not detect paper.
On 20 32 Validation sensor is detecting paper.
6 Off 00 0 Reserved. Fixed to Off.
7 Off 00 0 Not used. Fixed to Off.