Oki C650/ES6450, Basic Operation Manual, Page: 72 / 180

Basic operations
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Inapplicable paper
Do not use the following types of paper. Doing so may cause paper jams or malfunction.

Paper with smooth surface, rough paper, and paper with different front and back roughness

Paper that is too thin or too thick

Paper with much paper dust

Short grain paper (Do not use for vertical feeding.)

Wet (damp) paper

Paper with curl, curve or wave due to humidity

Paper stuck by static electricity

Paper and envelopes that have been textured, embossed or coated

Paper specially processed with glue, chemicals, etc.
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Paper specially processed without heat resistance (230°C)

Paper with holes, perforations, notches, holes for binder

Paper that has irregularities, crushing, burrs, etc. on the paper cut surface

Non-square shaped paper, or paper whose cutting angle is not right

Paper or envelopes with wrinkles, warping, corner bending, waving, creases, tears, etc.

Paper with staples, clips, ribbons, tapes, clasps, etc.

Special paper such as carbon paper, non-carbon paper, thermal paper, and pressure-sensitive paper

Thermal transfer printer paper, ink jet paper, wet PPC paper, copying paper, Japanese paper, etc.

Envelopes sticked with stamps

Envelopes that are too thick

Envelope made of plastic

Double envelopes with inner bags

Envelopes with clasps, buttons or windows

Envelopes sticked with double-sided tape or with adhesive on the flap

Envelopes with water repellency
Paper precautions by type
Plain

The printing speed will be slowed when the paper size is set to [A6] or [A5] (lengthwise direction) or when
the paper width is set to 182 mm or less.

For thick paper, the toner may stick thinly to the whole paper or the printing may be light.
Partially printed paper

When a printing frame is set, design it with careful considerations of the following variations in the printing
position.
Output position accuracy: ±2 mm; paper slant: ±1 mm/100 mm; image expansion and contraction: ±1
mm/100 mm
(When GSM paper weight is 80 g/m
2
)

This machine cannot print over a printed area.
Envelope

The paper may warp or wrinkle after printing.

The toner may stick thinly to the whole paper or the printing may be light.