
ida 812-1x MIO Operator’s Guide
Installation
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2.3. Installation ProcedureThe installation of the ida 812-1x MIO interface varies slightly
depending on the printer in which it is installed. This is decribed in
more detail below.
NOTE:
Irrespective of printer, you should first make sure
that power to the printer is turned OFF, and that
the correct language has been selected on the
interface DIP switch bank as described in
Section 2.1, DIP Switch Language Selection and
illustrated in Appendix B, DIP Switch Settings.
2.3.1. HP LaserJet IIISi and 4Si
1.  Remove the HP MIO (Modular Input/Output) card from the 
bottom slot on the rear of the printer by loosening the screws 
and pulling the card out of the printer.
2. Insert the ida 812-1x MIO interface (twinax connector  at the
bottom) in place of the card you just removed and tighten screws.
2.3.2. HP LaserJet 4, HP LaserJet 4 Plus and HP LaserJet 5
1. Loosen the screws on the cover plate positioned to the  left of 
the parallel and serial connection (on  the rear panel) and 
remove the plate.
2. Insert the ida 812-1x MIO interface (twinax connector at the top) 
in the slot and tighten screws.
2.3.3. HP LaserJet 4V
1.  Loosen the screws and remove the plate positioned on the rear 
of the printer.
2. Insert the ida 812-1x MIO interface (twinax connector to the 
right) in the slot and tighten screws.