Paper Recommendations; Loading Paper In The Main Unit Tray; Handling Of Paper; Humidity Control - Oki B2520 User Manual

- Never try to modify the machine. This could cause a fire hazard or an electric shock hazard.
- Always make sure that paper clips, staples or other small metallic items do not get inside the machine via the
ventilation ports or other ports. Such items create fire hazards or electric shock hazards.
- Prevent water and any other liquid from spilling on the machine or near to it. Any contact of the machine with water
or liquid can cause a fire hazard or an electric shock hazard.
- If liquid or metallic item gets accidentally inside the machine, turn it off immediately, unplug the power cord and
contact your retailer. Otherwise, you will face a fire hazard or an electric shock hazard.
- In case of heat, smoke, unusual smell or abnormal noise emissions, turn the machine off, unplug the power cord
immediately and contact your retailer. Otherwise, you will face a fire hazard or an electric shock hazard.
- Avoid using the machine during a thunder storm, this can cause an electric shock hazard due to lightning.
- Never move the terminal during printing.
- Always lift the terminal when you wish to move it.

Paper recommendations

Loading paper in the main unit tray

- Insert paper with the face down, and adjust paper guides to the paper format to avoid feed failure, skewing, and
paper jams.
- Amount of loaded paper must not exceed the loading mark. If the loading mark is exceeded, this may cause feed
failure, skewing, and paper jams.
- Adding paper in the stack must be avoided because it may cause double feeding.
- When withdrawing the cassette from the main unit, always support it with both hands to avoid doing drop it.
- If you use paper already printed by your machine or another printer, the printing quality may not be optimal.

Handling of paper

- Curling must be corrected before printing. Curls must not exceed 10 mm.
- Care must be taken with storage to prevent feed faults and image defects due to leaving the paper in conditions
of high humidity.

Humidity control

- Do not use paper which has become damp, or paper which has been left unused for a very long time.
- After opening the paper, it must be kept in a plastic bag.
- Paper with waved ends, paper which is creased, paper with crumples, and any other non-normal paper must not
be used.

Use of envelopes

- Feeding can be done only through the manual feed.
- Recommended area should be the area which excludes 15 mm from the leading edge, 10 mm from and both the
left and right edges, and the rear edge.
- A few lines may be given in solid print at the part of being overlapped.
- Envelopes which are not recommended may lead to improper printing (Refer to the paragraph Peripheral
specifications, page 71).
- Curled envelope after printing should be fixed manually.
- Small crumples on the edge of the wide side of envelopes. Smearing, or less clear printing may appear on the
reverse side.
- Set envelope by pressing the folding line of four edges properly after releasing air inside. Set envelope in a proper
position after aligning in case it is bent or warped.

EP Cartridge recommendations

- Must not be stood on the side, or held upside down.
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B2520 / B2540