Sharp mz-800 Owner's Manual page 159

(2) Dot matrix printer MZ-80P5(K)
1) Set switches 2 and 3 of the system switch to the ON position.
2) Remove the two screws to remove the printer connector cover from the rear panel of the MZ-800.
(Store the cover in a safe place in case you want to disconnect the printer cable in the future.)
UAB
System switch Printer connector cover
Dot printer [MZ-8OP5(K)}
IMZ-1C25}
Screws
7-14
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