Printronix T4204 - Manual (Page 27)

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Operating Modes
Online - In online mode, the printer can receive and print data sent from the
host. Pressing the PAUSE key toggles the printer between the online and
offline mode. The ONLINE status indicator is lit in online mode.
Offline - In offline mode, you may perform operator functions, such as loading
media, or navigating through the printer configuration menu to make changes
or verify option settings. Pressing the PAUSE key toggles the printer from
offline to online mode. The ONLINE status indicator is not illuminated in offline
mode.
Fault - In fault mode, a fault condition exists that must be cleared before
printing can continue. The ONLINE status indicator flashes, the alarm beeps
(if configured to do so) and a descriptive fault message displays.
The current operating mode can be selected through the control panel keys,
or may result from routine operations such as powering on the printer.
Primary Control Panel Keys
PAUSE - Toggles the printer between online [twinax only] and offline modes.
FEED - Advances the media one forms length (active in online or offline
modes).
CANCEL - Cancels all data in the printer (active in online or offline modes).
This key is set to disable from the factory. CANCEL can be enabled in the
MAINT/MISC menu.
TEST - Selects the self-test menu (offline mode only). Pressing the ENTER
key with a Diagnostic Test displayed initiates the test. Pressing the ENTER
key again terminates the test. Press FEED to advance media and clear test
data from the print buffer before returning the printer to the online mode.
Secondary Control Panel Keys
CLEAR - If a fault condition exists, pressing the CLEAR key clears the fault
message and returns the printer to offline mode.
NOTE: If the fault condition has not been corrected before pressing CLEAR,
the fault message appears again when attempting to place the printer
to online status.
PRT CONFIG - Prints the current printer configuration menu settings.
JOB SELECT - Selects a specific printer configuration menu (offline mode
only).
ENTER - Selects the current value within the printer configuration menu
(offline mode only) and displays an asterisk (*) next to the value. If the ENTER
key is locked, the value will not be selected and an “ENTER SWITCH
LOCKED” message displays for one second, followed by a display of the
previously selected value. Pressing the UP and DOWN keys at the same time
unlocks the ENTER key and permits value selection.