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
If the document glass or document backplate
sheet becomes dirty, the dirt will appear as dirty spots, coloured
lines, or white lines in the scanned image. Keep these parts clean
at all times.
Wipe the parts with a clean, soft cloth.
If necessary, moisten the cloth with water or a small amount
of neutral detergent. After that, wipe with a clean dry cloth.
Examples
of lines in the image
Document
glass
Document
backplate sheet
If black lines or white lines appear in images scanned
using the automatic document feeder, clean the scanning area(the thin
long glass next to the document glass).
To clean this part, use the glass cleaner that is stored in
the automatic document feeder. After using the glass cleaner, be
sure to return it to its storage position.
Open the automatic document feeder and remove the glass cleaner.
Clean the document scanning area on the document glass with the glass cleaner.
One scanning area is on the document glass and the other is inside the automatic document feeder.Open the scanning area cover on the automatic document feeder.
Push in the release switch to release the cover.Clean the scanning area in the automatic document feeder.
Close the cover.
Replace the glass cleaner.
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
Open the front cover.
Take out the cleaning tool for the laser unit.
The cleaning tool is attached to the front cover of the machine.Make sure that the cleaner at the tip of the cleaning tool is not dirty.
If the cleaner is dirty, remove the cleaner from the cleaning tool and replace it with a clean one. For more information on replacing the cleaner, see "REPLACING THE CLEANER (page 1-79)".Point the cleaner down and slowly insert the tool into the hole to be cleaned in the laser unit.
Be sure to point the cleaner down. Labels similar to (A) are attached to areas that require cleaning.Insert the cleaning tool all the way into the hole and then pull it back out.
Pull the cleaning tool out until you feel the tip of the tool leave the cleaning surface of the laser unit.Repeat steps 4 to 5 two or three times and then remove the cleaning tool.
Repeat steps 4 to 6 to clean all holes (4 holes) in the laser unit.
There are a total of four holes to be cleaned in the laser unit. Clean all holes.Replace the cleaning tool.
Close the front cover.
Open the front cover and take out a replacement cleaner.
Replacement cleaners are stored in the front cover.Remove the dirty cleaner from the tip of the cleaning tool.
While firmly grasping the tool where the cleaner is attached, use your other hand to press down on the hook that secures the cleaner, and remove the cleaner.Caution
Put the removed cleaner back on the inner cover. After replacing the cleaner, be sure to close the inner cover.Attach the new cleaner to the cleaning tool.
Align the cleaner hook with the attachment hole in the cleaning tool. Hold the cleaner firmly and push the cleaning tool in.If paper misfeed frequently occur in the
bypass tray, clean the bypass feed roller. Wipe the surface of the
feed roller with a clean soft cloth moistened with water or a neutral
detergent.
Remove paper.
Remove the maintenance cover.
Clean the bypass feed roller.
Install the maintenance cover after the cleaning is completed.Load the paper.
Press the operation button and remove paper.
The paper table goes down. The operation button blinks while the paper table goes down. The button lights up when the paper table has gone down. Do not remove the paper until the button ceases blinking.Remove the maintenance cover.
Clean the bypass feed roller.
Install the maintenance cover after the cleaning is completed.Load the paper and press the operation button.
The paper table goes up when the operation button is pressed.When using the automatic document feeder,
if the placed original is smudged or jammed, wipe the surface of
the paper feed roller in the direction of the arrow with a clean,
soft cloth moistened with water or a neutral detergent.
Version 03a / bp90c80_usr_03a_en