User guide

Control Panel

3.3 List of Items on the Menu Screen

3.3.3 Parallel

Specify the settings for parallel interface.

You cannot change the settings on this menu if you entered the Menu

screen when the printer is printing.

Busy-Ack

Specify the output timing for both the BUSY and the ACK signals of the parallel interface.

The BUSY signal indicates to the computer that the printer cannot receive data.

The ACK signal indicates to the computer that the printer is ready to receive data or it has

received data correctly.

• Ack-Busy (Default)

After ACK signal is received, the BUSY signal changes.

• Ack-Busy-Ack

BUSY signal changes first and then ACK signal is output.

• Busy-Ack

BUSY signal changes when ACK signal is being output.

Ack-Busy Busy-Ack Ack-Busy-Ack

In order for the selected settings to take effect, you must restart the

printer. After the setting, you have to switch off the printer and then

switch it on again.

ECP

This is the communications mode for the parallel interface. The following settings are

available:

• Enabled (Default)

Receive print data using ECP.

• Disabled

Do not receive print data with ECP.

BUSY

ACKACK

BUSY

ACK

BUSY