Samsung CLP 550N User Manual

							MAINTAINING YOUR PRINTER6.11
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Replacing the Waste Toner 
Container
The life of the waste toner container is approximately 12,000 
pages for black and 3,000 pages for color. Replace the waste 
toner container when the control panel displays ‘Waste Toner 
Tank Full/Not Install’. 
1Unlatch the front cover, by quickly pressing and releasing it 
using the depressions at the top.
2Push the lock lever up and pull the waste toner container 
out.
NOTE: Make sure that you lay the waste toner container on a flat 
surface so that the toner does not spill.
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							MAINTAINING YOUR PRINTER6.12
3Remove the container’s caps which are attached, as shown 
below, and use them to close the waste toner container.
4Take a new waste toner container out of the package.
5Insert the lower of the new container into place and then 
push it to make sure that it is seated in place.
6Make sure that the lock lever latches the container.
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							MAINTAINING YOUR PRINTER6.13
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7Close the front cover. Make sure that the cover is securely 
latched.
8Using the handle, completely open the left cover until it is at 
right angles to the main frame and the toner cartridges are 
ejected.
9 Close the left cover firmly.
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							MAINTAINING YOUR PRINTER6.14
Replacing the Imaging Unit
The life of the imaging unit is approximately 50,000 pages for 
black and 12,500 pages for color. Replace the imaging unit when 
the printer control panel displays ‘Replace Imaging Unit’. 
1Turn the printer off, then wait a few minutes for the printer 
to cool.
2Using the handle, completely open the left cover until it is at 
right angles to the main frame and the toner cartridges are 
ejected. 
CAUTION: If the left cover is not completely open, the top cover 
release button does not be pressed.
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							MAINTAINING YOUR PRINTER6.15
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3Press the top cover release button to unlatch the top cover 
and open it all the way.
4Pull the lock levers on each side towards you, as shown 
below, to release the transfer belt.
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							MAINTAINING YOUR PRINTER6.16
5Using the handle, lift the transfer belt out of the printer by 
lightly pulling it towards the left of the printer. Set it on a 
clean flat surface. 
6Lift the handle of the used imaging unit and use it to pull 
the imaging unit out of the printer.
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							MAINTAINING YOUR PRINTER6.17
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7Take a new imaging unit out of the package using the 
handle.
8Remove the paper covering on the imaging unit by 
removing the tape under the handle of the imaging unit.
CAUTIONS: 
• Don’t use sharp objects, such as a knife or scissors, to open the 
imaging unit package and tape on the protective paper liner. You 
could damage the surface of the imaging unit. 
• To prevent damage, do not expose the imaging unit to light for 
more than a few minutes. Cover it with black paper, if necessary. 
• Close the top and left cover should the setup need to be halted 
for any reason.
• Do not touch the surface of the green roller on the imaging unit 
or print quality problems can occur.
9Locate the imaging unit slots inside the printer, one on each 
side.
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							MAINTAINING YOUR PRINTER6.18
10Hold the handle of the new imaging unit with the green 
roller facing you. Align the imaging unit with the slots in 
your printer so that the colors on both sides of the imaging 
unit slide into the corresponding colors of the slots. 
CAUTION: Insert the imaging unit carefully so as not to scratch 
and damage the surface of the green roller.
11Slide the imaging unit down into the printer until it cannot 
be pushed in any further and fold the handle down. 
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							MAINTAINING YOUR PRINTER6.19
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12To replace the transfer belt, hold its handle and then align it 
with the slots inside your printer, on each side. 
NOTE: Do not turn the transfer belt over. If you do this, the toner 
may spill.
13Slide the transfer belt down into the printer and press it 
firmly into place.
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							MAINTAINING YOUR PRINTER6.20
14Firmly push the lock levers on each side towards the top 
cover, as shown below, to lock the transfer belt into place.
15After making sure that the left cover is open, close the top 
cover. Make sure that it is securely latched. 
CAUTION: Do not try to close the left cover with the top cover 
open. This may cause damage to the printer.
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