OPERATION

1. Switches and indicators

There are three switches and four indicators (green LED’s) on the control panel and one power switch on the right side of the Printer case. In this section, panel operating procedures are covered in sufficient detail for the user to become familiarized with the Printer. (See Fig. 28 for the control panel.)

Power Switch

Fig. 28 Switches and Indicators on Control Panel ContyPanel

1 .1 Switches

POWER SW: Controls primary AC power to the Printer.

NOTE: Before turning this switch on, check to see if the paper is properly set in the Printer.

Incorrect setting of the paper may prevent the Printer from operating properly.

ON LINE SW: When this switch is depressed, the Printer enters the ON-LINE mode and can be utilized in conjunction with a host computer. Depressing the switch again will set the Printer in the OFF-LINE mode. The switch does not function while the Printer is actively engaged in printing. The Printer is automatically placed OFFLINE if the paper supply is exhausted or if a mechanical error occurs in the Printer.

The operations of the Line Feed and Form Feed switches are effective only while the Printer is OFF-LINE.

When the ON LINE switch is pushed while data is being re- ceived, all data received up to then is printed immediately. This is helpful to avoid data loss. If data has been transferred into the print buffer without any print command such as CR, LF or VT code, no data can be printed out on the paper. However, if the ON LINE switch is turned off, the data stored in the print buffer is printed out. Therefore, no data is lost when the Printer becomes OFF-LINE.

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