Keys; Led Indicators - Olivetti PR 4 Programmer's Manual

Keys

There are two keys on the console: key 1, on the left and key 2, on the right. Their functions
are as follows:
KEY 1 With the covers closed (on-line status), advances the receipt roll paper by
one line feed or with continuous motion to deliver the receipt.
With the rear cover open (off-line status), automatically loads the paper
during receipt roll replacement.
KEY 2 With the covers closed (on-line status), advances the journal roll paper by
one line feed or with continuous motion until delivery of the journal.
During front feeding, allows acceptance of document with the upper right
corner folded back or cut off.
With the rear cover open (off-line status), automatically loads the paper
during journal roll replacement.
See also the section entitled Setup and settings.

LED Indicators

There are five LED indicators on the console, indicating respectively:
Lit , indicates printer powered electrically.
LED 1 - ON
Lit , indicates printer locked.
LED 2 -
Blinking , indicates a mechanical error or paper jam.
error
(*)
Lit , indicates receipt paper roll almost finished (there is still between 50
LED 3
and 150 cm of paper - depending on the setting made).
Lit , indicates journal paper roll almost finished (there is still between 50
LED 4
and 150 cm of paper - depending on the setting made).
LED 5 Lit , indicates document inserted (from top or from front feeder).
Blinking , indicates awaiting document insertion from front feeder.
(*)
See also the section Console Diagnostics, which illustrates the error or failure
signals provided by the LEDs and proposes suitable remedial action.
Operator console 2-2