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
If conditions similar to the above occur, clean the laser
unit as explained below.
Open the front cover.
Remove the toner collection container.
Tip the toner collection container forward and down,
and slowly pull up.
Take out the cleaning tool for the laser unit.
The cleaning tool is attached to the front cover.
- Pull the knob on the right side of the cleaning
tool to remove it from the hook.
- Place the knob on the back side across the top of the hook.
- Turn the cleaning tool around the boss to detach it from
the left hand hook.
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 the procedure
for replacing the cleaner, see steps 5 through 7. If the cleaner
is not dirty, go to step 8.
Take out a replacement cleaner from the toner collection
container.
Replacement cleaners are stored on the toner collection container.
Grasp the end of the cleaner and pull it out of the toner collection
container.
Remove the dirty cleaner from the tip of the cleaning
tool.
- Firmly grasp 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 toner collection
container.
Attach the new cleaner to the cleaning tool.
The cleaning tool is attached to the front cover.
- Align the cleaner hook with the attachment hole
in the cleaning tool.
- Hold the cleaner firmly and push the cleaning tool in.
Clean the laser unit.
- Point the cleaner down and slowly insert the tool
into the hole that you wish to clean.
Be sure to point the cleaner down.
- 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 step 2 two or three times and then remove the cleaning
tool.
Caution
Do not touch the internal cords or connectors.
Repeat steps 8 to clean all holes (4 holes) in the laser
unit.
The laser unit is cleaned in four locations, including
the location cleaned in step 8. Clean all holes.
Replace the cleaning tool.
- 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.
- Put the right hand side of the cleaning tool over the hook
to place it on the near side.
- Turn the cleaning onto hook.
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.