If you’re using an extension cord or power strip with the printer, make sure that the total of the amperes required by all the equipment on the extension is less than the extension’s rating. Generally, the total ratings of all equipment plugged into any one power line should not exceed 15 amperes. Don’t exceed this unless you know that the power line your equipment is plugged into has a rating above 15 amperes.

Protect your printer from overheating. Make sure the openings on the printer are not blocked. Do not put the printer on or near a heat source, such as a radiator or heat register. If you put the printer in any kind of enclosure, make sure it is well ventilated.

Installation Overview

To install your new printer, follow the instructions in this section. You must complete these steps for your printer to operate properly.

If you have purchased an accesssory (option) for your printer, refer to the documentation you received with that accessory for installation instructions.

Installation Location

Place your printer on a firm, solid surface.

Allow enough space on each side of the machine to easily access the platen knob and the various paper feed paths.

Make sure a power outlet is available nearby.

User’s Guide: English 21

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Oki 391, 390 manual Installation Overview, Installation Location