Sharp MX 4500N User Manual

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12
Return the lever to its original position.
13
Replace the staple case.
Push the staple case in until it clicks into place.
14
Push the stapler section back in.
Push the stapler section back in until it locks into its original 
position.
15
Close the front cover.
16
Push the saddle stitch finisher back and 
latch it to the machine.
Make a test print or copy in staple sort mode to verify that stapling takes place correctly.
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Discarding punch waste (when a punch module is installed)
1
While pulling the lever, slide the saddle 
stitch finisher to the left until it stops.
2
Pull out the punch waste box and 
discard the punch waste.
Discard the punch waste in a plastic bag or other container, 
taking care not to let the waste scatter.
3
Return the punch waste box to its 
original position.
4
Push the saddle stitch finisher back and 
latch it to the machine.
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This chapter explains how to clean the machine and replace the toner cartridge or waste toner box.
REGULAR MAINTENANCE
To ensure that the machine continues to provide top quality performance, periodically clean the machine.
CLEANING THE DOCUMENT GLASS AND AUTOMATIC 
DOCUMENT FEEDER
If the document glass, document backplate sheet, or automatic document scanning area becomes dirty, the dirt will 
appear as dirty spots or coloured lines or white lines in the scanned image. Always keep these parts clean.
Wipe the parts with a clean, soft cloth.
If necessary, moisten the cloth with water or a small amount of neutral detergent. After wiping with the moistened cloth, 
wipe the parts dry with a clean dry cloth.
Document glass Document backplate sheet
5
MAINTENANCE
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.
Do not use thinner, benzene, or similar volatile cleaning agents to clean the machine. These may degrade or discoloured the housing.
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Scanning area
If coloured 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 area, 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.Examples of lines in the image
MX-3501N/4501N
(1) Open the automatic document feeder and remove the glass cleaner.
(2) Clean the scanning areas with the glass cleaner.
One scanning area is the document glass and the other is inside the automatic document feeder.
Document glass
Automatic document feeder
Open the scanning area cover on the automatic document feeder. Push in the release switch to release the cover.
Black lines White lines
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Clean the scanning area in the automatic document feeder. When you have finished cleaning, close the cover.
(3) Replace the glass cleaner.
Other models
(1) Open the automatic document feeder and remove the glass cleaner.
(2) Clean the scanning area with the glass cleaner.
(3) Replace the glass cleaner.
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CLEANING THE MAIN CHARGER OF THE 
PHOTOCONDUCTIVE DRUM
If black lines or coloured lines appear even after you have cleaned the document glass and document feeder, use the 
charger cleaner to clean the main charger that charges the drum.
Figure 1
Figure 2
(1) Open the front cover.
(2) Release the waste toner box lock and let the waste toner box fall forward.
For the steps to follow when letting the waste toner box 
fall forward, see step 3 of  CLEANING THE LASER 
UNIT  (page 56).
(3)Slowly pull out the green knob (charger cleaner).
Pull out the knob as shown in Figure 2.
(4) Once the green knob (charger cleaner) is 
pulled out, slowly push it back in.
Push the knob as shown in Figure 2.
(5) Repeat steps (3) and (4) for each of the other charger cleaners.
There are a total of 4 places to be cleaned in the machine 
as shown in Figure 1.
(6) Push the waste toner box into the machine.
Push the waste toner  box firmly in until it clicks into place.
(7) Close the front cover.
CLEANING THE BYPASS 
FEED ROLLER
If paper misfeeds frequently occur when feeding 
envelopes, or thick 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 
ORIGINAL FEED ROLLER
If lines or other dirt appear on the scanned original when 
the automatic document feeder is used, wipe the surface 
of the roller with a clean soft cloth moistened with water 
or a neutral detergent.
Charger cleaner
Waste toner outlet
• If this does not solve the problem, pull t he knob out and push it back in 2 more times.
 When pulling and pushing the knob to clean the charger, pul l and push the knob slowly from one end to the other.
 Touching the waste toner outlet or the waste toner box may so il your hands and clothes. Exercise caution when cleaning 
the charger.
On the MX-3501N/4501N, this cleaning is not 
necessary.
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CLEANING THE LASER UNIT
When the laser unit inside the machine becomes dirty, line-like colour irregularities (coloured lines) may appear in the 
print image. When the following conditions appear, clean the laser unit.
Identifying lines (coloured lines) caused by a dirty laser unit
 Coloured lines always appear in the same place. (The lines are never black.)
 The coloured lines are parallel to the direction of paper feeding. 
 Coloured lines appear not only when the copy function is used but also when the printer function is used.  (The 
problem appears during both printing and copying.)
1
Open the front cover.
2
Take out the cleaning tool for the laser 
unit.
The cleaning tool is attached to the front cover.
3
Release the waste toner box.
Press the waste toner box release button.
The waste toner box will fall forward as shown.
Gently support the box with your hands as you let it fall forward 
as far as it will go.
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4
Make sure that the cleaner at the tip of 
the cleaning tool is not dirty.
If the cleaner is dirty, remove the cleaner 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.
5
Pull the replacement cleaner out of the 
waste toner box.
The replacement cleaner is stored at the top of the waste toner 
box.
Grasp the end of the cleaner and pull it out of the waste toner 
box.
6
Remove the dirty cleaner from the tip of 
the cleaning tool.
(1) Firmly grasp the tool close to where the 
cleaner is attached.
(2) Use your other hand to press down on the 
hook that secures the cleaner and remove 
the cleaner.
Do not return the removed cleaner to the top of the waste toner box.
7
Attach the new cleaner to the cleaning 
tool.
(1) Align the cleaner hook with the attachment 
hole in the cleaning tool.
(2) Hold the cleaner firmly and push the 
cleaning tool in.
Cleaner
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8
Clean the laser unit.
(1) Point the cleaner down and slowly insert 
the tool into the hole that you wish to clean.
Be sure to point the cleaner down.
(2) 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.
(3) Repeat step (2) two or three times and then 
remove the cleaning tool.
9
Repeat step 8 to clean all holes in the 
laser unit (4 holes).
There are a total of 4 holes to be cleaned in the laser unit, 
including the hole cleaned in step 8. Clean all holes.
10
Push the waste toner box into the 
machine.
Push the waste toner box firmly in until it clicks into place.
Holes
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11
Replace the cleaning tool.
(1) Point the cleaner up and hook the end of the 
tool (the end without the cleaner) onto the 
holder on the right.
(2) Align the holder with the hole in the centre 
of the cleaning tool and slowly press down 
from above.
(3) Fit the holder into the hole in the tip (the end 
with the cleaner) of the cleaning tool.
12
Close the front cover.
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