Printronix P4280, Maintenance Manual

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2–4 Scheduled Maintenance
Cleaning the Printer
CAUTION
Do not use abrasive cleaners, particularly on the window. Do not drip
water into the printer. Damage to the equipment will result. When using
spray solutions, do not spray directly onto the printer; spray the cloth,
then apply the dampened cloth to the printer.
Cleaning Outside the Cabinet
1. Wipe the cabinet with a clean, lint–free cloth dampened (not wet) with
water and mild detergent or window cleaning solution.
2. Dry the cabinet with a clean, lint–free cloth.
3. Clean the inside of the cabinet. (See below.)
Cleaning Inside the Cabinet (Figure 2–1)
1. Set the power switch to
O
(off).
2. Disconnect the ac power cord from the printer.
3. Open the printer cover.
4. Move the forms thickness adjustment lever to the fully–open position.
5. Remove paper from the printer.
6. Squeeze the locking latch and lift the ribbon spools from the ribbon
hubs.
7. Using a soft–bristled brush, wipe off paper dust and ribbon lint. Vacuum
up the residue. Pay particular attention to the tractors, shuttle cover
assembly, and base casting.
8. Wipe the splined shaft with a soft cloth.
CAUTION
To avoid corrosion damage, use only anhydrous alcohol when cleaning
printer mechanical elements. The cleaning solution must contain no
water.
9. Using a cloth dampened with anhydrous alcohol, clean the ribbon
guides.
10. Vacuum up dust or residue that has accumulated inside the lower
cabinet.