266Chapter 6 Cleaning RequirementsCleaning Inside The CabinetOver time, particles of paper, ink, and ribbon accumulate inside impactprinters. This is normal. These particles must be removed periodically to avoiddegraded print quality. Most paper particles accumulate around the ends ofthe platen and ribbon path.To clean the interior of the printer, refer to Figure 68 (cabinet models) orFigure 69 (pedestal models) and perform the following steps:1. Power off the printer and unplug the printer power cord.2. Unload the paper (explained in the Setup Guide).3. Unlatch both ribbon spools and carefully lift them off the hubs.4. Raise the ribbon out of the ribbon path.5. Using a soft–bristled non–metallic brush, remove paper, ribbon, and dustparticles from the paper path, ribbon guides, and ribbon path.6. Brush and vacuum accumulated paper, ribbon, and dust particles,especially in the tractor, hammer bank, and base pan areas.7. Cabinet models: Brush and vacuum up dust or residue that hasaccumulated inside the lower cabinet.8. Cabinet models: Wipe the lower cabinet interior with a clean, lint–freecloth dampened with water and mild detergent. Dry the lower cabinetinterior by wiping it with a clean, dry, lint–free cloth.9. Cabinet and Pedestal models: Install the ribbon (see page 63), load thepaper (see page 66), and set the top–of–form (see page 77).
