Digital Equipment DECwriter 500i Service Manual page 40

6. Holding the cartridge by the grip, remove the protective label from the
nozzles.
7. Insert the cartridge in place, pushing it first down and then forward.
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Fig. 3-3 Inserting the head into the machine
8. Close the machine upper cover.
9. Press the INSTALL CARTRIDGE key again: the print head will go to its
parking position (right-hand end of stroke) and the machine checks the
coherence between the installed head and the black/color lever setting. If
the setting is correct, the COLOR LED will indicate the type of head
installed (on = color, off = black) if there is an error, this will be
indicated by the blinking of the INSTALL CARTRIDGE LED.
Installation 3-4
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