Safety instructions 3
© 2010 HSA SYSTEMS
1 Safety instructions
The MTHP4 is a controller unit for inkjet printing. Only use this device for the intended use.
Do not subject the controller to strong shocks or vibrations.
Install the MTHP4 in the recommended installation environment only.
Only use the MTHP4 with f-type print heads from HP. If the controller is used with a different type of
print head, the print head will be destroyed.
Only use the MTHP4 with the original power supply. Wrong voltage level will destroy the controller or
cause it to malfunction.
Connect power supply to input voltage 85-265 VAC.
Follow the wiring instructions in the installation manual carefully. Wrong wiring could destroy the
controller unit.
To avoid electric shock, please do not change pen/cartridge with power on if the pen auto switch in the
print head has been disabled.
Shut down MTHP4 properly before turning off the power supply. Power loss during normal operation
may result in memory card write failure and data loss.
Do not clean controller with strong solvents.
Do not let liquids get in touch with any electrical parts.
The MTHP4 is only to be repaired by trained personnel.
Turn off and disconnect the power before disassembling the controller.
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