Dell 1110 - Laser Printer B/W User Manual page 19

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Keep paper away from moisture, or other conditions that can cause it to wrinkle or curl.

Store unused materials at temperatures between 15°C and 30oC (59°F to 86°F). The relative
humidity should be between 10% and 70%.

During storage, you should use moisture-proof wrap, such as a plastic container or bag, to
prevent dust and moisture from contaminating your paper.

Load special paper types one sheet at a time.

Only use materials specifically recommended for use with laser printers.

To prevent special materials, such as transparencies and label sheets, from sticking together,
remove them as they print out.

For envelopes:

Use only well-constructed envelopes with sharp, well creased folds.

Do not use envelopes with clasps and snaps.

Do not use envelopes with windows, coated linings, self-adhesive seals, or other
synthetic materials.

Do not use damaged or poorly made envelopes.

Use only envelopes recommended for laser printers. Before loading envelopes in the
tray, make sure that they are undamaged and are not stuck together.

Do not feed stamped envelopes.

For transparencies:

Place them on a flat surface after removing them from the printer.

Do not leave them in the paper tray for long periods of time. Dust and dirt may
accumulate on them, resulting in spotty printing.

To avoid smudging caused by fingerprints, handle them and coated paper carefully.

To avoid fading, do not expose printed transparencies to prolonged sunlight.

Use only transparencies recommended for use with laser printers.

Ensure that transparencies are not wrinkled, curled, or have any torn edges.

Do not use transparencies that are separating from the backing sheet.

For labels:

Verify that their adhesive material can tolerate fusing temperatures of 180°C (356°F)
for 0.1 second.