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Sequential cooling flow for usb connection, Equential, Ooling – Brother QL-700 User Manual

Page 29: Low for, Onnection

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6.4. Sequential Cooling Flow for USB Connection

Send 200 bytes of Invalid command

Send print data.

Return “NAK” from
cooling.

Cooling

The printer is initialized.

Initialize

Printing

Begin printing without
waiting for a print
command.

Receive data.

The status of the Printer
(media, etc.) is checked
and a response is sent.

Status (response status to status information request)

If there are no problems with
the Printer status (media, etc.),
the data is transmitted. If there
is a problem, an error appears.

Send control code.

Status

(Phase change :

“Printing state”)

Sending display

Send print data.

Send print data.

Send print data.

Send print data.

When cooling is finished,
“Notification: Cooling(finish)”
is returned.

0 packet

0 packet

0 packet

0 packet

Continue reading.
0 packets are returned
while cooling.

Send print data.

Status (Notification:”Cooling(finish)”)

failed

Repeat reading of maximum
and transmission timeout
times. If the transmission
timeout is exceeded, perform
a read, and display the
cooling status if a
high-temperature error is
returned.

Send print data.

×

Status

(Notification:

“Cooling(start)”)

Status information request

Computer (host)

Printer

In order to clear any jobs
with errors remaining in
the printer

Perform a READ.

Perform a READ.

Restart

Brother QL-500/550/560/570/580N/650TD/700/1050/1060N Command Reference

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