DOWNLOAD Sharp MX-3050N / MX-3060N / MX-3070N / MX-3550N / MX-3560N / MX-3570N / MX-4050N / MX-4060N / MX-4070N (serv.man30) Service Manual ↓ Size: 58.19 MB | Pages: 127 in PDF or view online for FREE

Model
MX-3050N MX-3060N MX-3070N MX-3550N MX-3560N MX-3570N MX-4050N MX-4060N MX-4070N (serv.man30)
Pages
127
Size
58.19 MB
Type
PDF
Document
User Manual / Operation Manual
Brand
Device
Copying Equipment / User Manual PDF
File
mx-3050n-mx-3060n-mx-3070n-mx-3550n-mx-3560n-mx-35.pdf
Date

Sharp MX-3050N / MX-3060N / MX-3070N / MX-3550N / MX-3560N / MX-3570N / MX-4050N / MX-4060N / MX-4070N (serv.man30) User Manual / Operation Manual ▷ View online

1-123
BEFORE USING THE MACHINE►MAINTENANCE
CLEANING THE PT CHARGER OF THE PRIMARY 
TRANSFER BELT
If black lines or colored lines appear even after you have cleaned the document glass, automatic document feeder and 
main charger, use the PT charger cleaner to clean the PT charger.
1
Open the front cover.
2
Remove the waste toner box.
Press the release buttons on the sides of the waste toner 
box inward and pull out slowly.
3
Clean the PT charger.
(1) Withdraw the PT charger slowly until you 
feel resistance.
(2) Gently push the PT charger cleaner all the 
way in.
(3) Repeat (1) and (2) above three times.
4
Push the waste toner box into the 
machine.
Push in until you hear a "click" sound indicating that the left 
and right locks are engaged.
1-124
BEFORE USING THE MACHINE►MAINTENANCE
5
Close the front cover.
1-125
BEFORE USING THE MACHINE►MAINTENANCE
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. (The lines are never black.)
• Colored lines appear in parallel with the direction of paper feeding.
• Colored lines appear not only on output from a copier but also on prints from a computer. (The same lines appear on 
both copies and print jobs.)
If conditions similar to the above occur, clean the laser unit as explained below.
1
Open the front cover.
2
Remove the waste toner box.
Press the release buttons on the sides of the waste toner 
box inward and pull out slowly.
3
Take out the cleaning tool for the laser 
unit.
The cleaning tool is attached to the front cover.
(1) Pull the right-hand side of the cleaning 
tool to detach it from the hook.
(2) Put it over the hook to place it on the back 
side.
(3) Turn the cleaning tool around the boss to 
detach it from the left hand hook.
(2)
(1)
Boss
1-126
BEFORE USING THE MACHINE►MAINTENANCE
4
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.
5
Take out a replacement cleaner from 
the waste toner box.
Replacement cleaners are stored on 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 where the cleaner is 
attached.
(2) Use your other hand to press down on the 
hook that secures the cleaner, and 
remove the cleaner.
 Put the removed cleaner back on 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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Sharp MX-3050N / MX-3060N / MX-3070N / MX-3550N / MX-3560N / MX-3570N / MX-4050N / MX-4060N / MX-4070N (serv.man30) User Manual / Operation Manual ▷ Download