Citizen PPU-700II Specifications download pdf (Page 58)

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2.2.6 Status Commands

DLE EOT n

[Function] Sending status in real-time

[Code] <10>H<04>H<n>

[Range] 1≦n≦6

[Outline] Sends in real-time the status specified by “n”.

n Status

1 Printer status

2 Status caused by an offline condition

3 Status caused by an error

4 Continuous paper sensor

5 Error details 1

6 Error details 2

[Caution] • Each status represents the current status. It is 1 byte data.

• The status is transferred without checking whether the host is ready to receive or

busy.

• This command is executed even if the printer is in offline state, receive-buffer full

state, or error state.

• This command is dealt with when it is received.

• With serial interface specifications, this command is executed in offline state, receiving

buffer full state, and error state.

• With parallel interface specifications, this command cannot be executed while the

printer is in Busy state. When memory switch 1-3 is ON, the printer does not enter

Busy state in the offline state and error state.

• If ASB (Automatic Status Back) is enabled by GS a, it is necessary to discriminate

between the status due to ASB and the status due to this command.

• This command can be executed even if printer setting by ESC = is invalid.

• If another data string of <10>H<04>H<n> (1 n 4) is received, the printer acts the

same way as with this command. Therefore, the user should be reminded of this fact.

[Example 1]

Suppose a command “ESC * m nL nH [d1...dk]”, where d1 = <10>H, d2 = <04>H,

d3= <01>H.

• The DLE EOT n command cannot be interleaved into the code string of another

command consisting of 2 bytes or more.

[Example 2]

If the printer sends DLE EOT 3 after the host has sent up to ESC 3 in its attempt to

send ESC 3 n, the printer handles the ESC 3 as ESC 3 <10>H. Thus, the user should

be cautious.

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Citizen PPU-700II Specifications Page 58