SYSTEM OVERVIEW
77091 Issue 2 November 2003 27
The pressure release valve is located at the
top of the base unit’s door. This valve safely
depressurises the ink bottle when it is
exhausted, enabling the supply to be
renewed.
Full instructions on connecting up a new ink
bottle are given in the INSTALLATION
chapter of this manual.
The Print Head
Communication with the printer is achieved
by using the built-in membrane keypad and
LCD display on the top of the print head.
The C34 incorporates a four-line LCD
display. The other models use a two-line
LCD display. This reflects the larger models’
increased print capabilities - all other
functions are exactly the same.
All printers use the same keypad layout and
communicate with the operator in the same
way, with the same keys accessing the same
options and the same prompts requesting the
same information.
Notes: (1) The keys are activated by pressure-
sensitive pads just beneath the
printed surface of the keypad. Press
once firmly in the centre of the
selected key to activate it.
(2) Do not use pens or other sharp
objects to activate the keys as serious
damage could result. The keypad
was designed for fingertip use only.
The keypad is in three sections. Pressing any of the special icon keys at the top
accesses the appropriate function as detailed in the Programming and Printing
Pressure Release
Valve
LCD Display
Keypad
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