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C O N F I D E N T I A L

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n = 6: Validation status

 

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.

 

 

 

 

 

 

 

 

[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.

RP-U420

Status commands DLE EOT

Ver. 1.0 p. 72

Page 72
Image 72
Epson RP-U420 manual = 6 Validation status