SHARP

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REGULAR MAINTENANCE

To ensure that the machine continues to provide top quality performance, periodically clean the machine.

Warning

Do not use a flammable spray to clean the machine. If gas from the spray comes in contact with hot electrical components or the fusing unit inside the machine, fire or electrical shock may result.

Caution

  • Do not use thinner, benzene, or similar volatile cleaning agents to clean the machine. These may degrade or discolour the housing.
  • Use a soft cloth to gently wipe off dirt from the area on the operation panel with a mirror-like finish (shown at right). If you use a stiff cloth or rub hard, the surface may be damaged.

CLEANING THE LASER UNIT

When the laser unit inside the machine becomes dirty, line patterns (coloured lines) may form in the printed image.
Identifying lines (coloured lines) caused by a dirty laser unit

  • Coloured lines always appear in the same place.
  • Coloured lines appear in parallel with the direction of paper feeding.
  • Colored lines appear on the print from a computer.
If conditions similar to the above occur, clean the laser unit as explained below.

Open the right side cover.

Hold both sides and open.

Remove all toner cartridges.

Spread newspaper or something similar in advance where you will place the toner cartridge.
Press the lock at the bottom of the toner cartridge to unlock it and pull the toner cartridge toward you.

Caution

When the removed toner cartridge is placed, be sure to place it with the gear-mounted side facing up.

Take out the cleaning tool for the laser unit.

The cleaning tool is attached to the front cover.
  1. Pull the knob on the right side of the cleaning tool to remove it from the hook.
  2. Place the knob on the back side across the top of the hook.
  3. Turn the cleaning tool around the boss to detach it from the left hand hook.

Clean the laser unit.

  1. Point the cleaner down and slowly insert the tool into the hole that you wish to clean.
    2. Be sure to point the cleaner down.
  2. Insert the cleaning tool all the way into the hole and then pull it back out.
    3. Pull the cleaning tool out until you feel the tip of the tool leave the cleaning surface of the laser unit.
  3. Repeat step 2 two or three times and then remove the cleaning tool.

Repeat steps 4 to clean all holes (4 holes) in the laser unit.

The laser unit is cleaned in four locations, including the location cleaned in step 4. Clean all holes.

Replace the cleaning tool.

  1. Engage the cleaning tool onto the boss and turn it around it, and then put the edge (the cleaner side) on the left hand hook.
  2. Put the right hand side of the cleaning tool over the hook to place it on the near side.
  3. Turn the cleaning onto hook.

Install all toner cartridges horizontally

(1) Yellow
(2) Magenta
(3) Cyan
(4) Black
  1. Insert the toner cartridges into each colour location.
  2. Press in firmly until you hear a "click” sound
    3. Push in the rounded indentation on each toner cartridge.
A toner cartridge of a different colour cannot be installed. Be sure to install a toner cartridge of the same colour.

Close the right side cover.

Hold both sides and close.

CLEANING THE BYPASS FEED ROLLER

If paper misfeeds frequently occur when feeding envelopes or heavy paper through the bypass tray, wipe the surface of the feed roller with a clean soft cloth moistened with water or a neutral detergent.

CLEANING THE FEED ROLLER OF TRAY

If the paper in tray frequently misfeeds, press down the centre of the pressure plate until it locks, and wipe the surface of the feed roller with a clean, soft cloth moistened with water.

Removing the tray from the machine.

When the tray is pulled out, it stops in the middle and cannot be removed without removing it.
When the tray stops, gently lift it up and pull it out to remove it from the machine.

Clean the feed roller.

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