Service manual

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EPSON LQ-300+ Revision C
Product Description OPERATOR CONTROLS 17
1.4 OPERATOR CONTROLS
1.4.1 Operation Switches
4 switches and 5 LEDs are on the panel as shown below.
Figure 1-5. Control Panel
1.4.1.1 Switches

Operation in normal mode
In normal mode, pressing panel switches executes the following functions.

Operation at power on
Turning the printer on while pressing panel switches executes the functions below;
: LED Off
: LED Blinks
: LED On
Micro Adjust
Tear Off
Draft
Draft Condensed
Roman
Courier
Sans serif
Prestige
Tear Off
LF/FF
Load/Eject
Pause
Paper Out
Font
3 sec
Script
Others
Switch Function
Pause
-Alternates printing and non-printing status.
-Enables Micro Adjustment function and Font selection, holding it down for 3
seconds.
Load/Eject
-Loads or ejects paper.
-Execute micro feed forward, when this function is enabled.
LF/FF
-Executes line feed, pressing it shortly.
-Executes form feed, holding it down for a few seconds.
-Executes micro feed backward, when this function is enabled.
Tear Off
-Advances continuous paper to the Tear-off position.
-Select font, when this function is enabled.
Switch Function
Load/Eject LQ self test
LF/FF Draft self test
Tear Off Default setting
Load/Eject & LF/FF Data dump
Load/Eject & LF/FF & Pause Clear EEPROM
Tear Off & Load/Eject & LF/FF
Clear EEPROM for Diving Line count for ribbon change
timing.
Pause Bi-d adjustment
Others Not available