Question about Samsung SCX 4521F All-In-One Laser Printer

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If fuse blown error shows, fuse (1.6mamp) if it replaced to (0.5 amp) then it works.

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Change the fuse with (0.5 amp).
If it doesn't work try this:
From Samsung site:

1 Press MENU # 1 9 3 4 in sequence rapidly. The LCD panel should now display TECH.
2 Press MENU, and then press ENTER. The LCD panel will display Tech Mode.
3 Press the left arrow (4 Press ENTER. The operator panel will display [YES].
5 Press ENTER. The toner warning message should be gone.
6 To exit TECH MODE, press MENU # 1 9 3 4 in rapid succession, as if you were dialing a phone number. The operator panel should no longer display TECH.


Then you don't need to use fuse after that.....

Posted on Sep 27, 2010

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Posted on Jan 02, 2017

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