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 discolor 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 (colored lines) may form in the printed image.
Identifying lines (colored lines) caused by a dirty laser unit

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

Open the front cover.

Open while pressing the convex parts on both sides.

Remove the toner collection container.

Spread newspaper or something similar in advance where you will place the toner collection container.
Press the release buttons on the sides of the toner collection container, push the toner collection container down until the toner collection container stops, and then slowly lift it up to remove it.

Caution

  • Do not touch the internal cords or connectors.
  • The toner recovery container should be placed in an upright position, not collapsed.

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.

Caution

Do not touch the internal cords or connectors.

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 a toner collection container.

  1. Insert the protrusions on both sides of the toner collection container into the insertion slots.
  2. Insert the container from above at a slant.
  3. Push in until you hear a "click" sound indicating that the left and right locks are engaged.

Close the front cover.

Hold both sides and close.

CLEANING THE IMAGE DENSITY SENSOR

When the message "Please clean the image density sensor by user according to user manual." appears, clean the image density sensor using the following steps.

Caution

Tap the "Later" key to print, however, if you continue to use the printer with an image dirty density sensor, the printed image may be smudged.

Turn off the machine.

Press the [Power] button to turn off the machine. For details on how to turn off the power, see " TURNING OFF THE POWER."

Open the front cover.

Open the front cover while pressing the convex parts on both sides.

Tilt the toner collection container to the front.

Press the release buttons on the sides of the toner collection container, push the toner collection container down until the toner collection container stops.
It is not necessary to remove the toner collection container from the machine.

Caution

Do not touch the internal cords or connectors.

Push the toner collection container into the machine.

Push in until you hear a "click" sound indicating that the left and right locks are engaged.

Close the front cover.

Hold both sides and close.

Turn on the machine.

Press the [Power] button to turn on the machine. For details on how to turn on the power, see " TURNING ON THE POWER."

Tap the [Completed] key.

Caution

  • If the message "Please clean the image density sensor by user according to user manual." appears after the cleaning is completed, clean the image density sensor again.
  • If the message asking to clean the image density sensor still appears after cleaning it several times, consult the dealer or nearest SHARP Service Department.

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 1

If the paper in tray 1 frequently misfeeds, press down the center of the pressure plate until it locks, and wipe the surface of the feed roller with a clean, soft cloth moistened with water.

Pull out the paper tray 1.

Hold the tray with both hands and slowly pull out and up at a slight angle.
The feed roller cannot be removed unless tray 1 is removed.

Clean the feed roller.

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