Reset the drum unit and the mage unit on the Samsung CLP-300 (CLX-2160)

1) Reset the IU

Remove the IU form the printer. Remove the cartridges. Unbolt the two bolts (the blue and the black)

Click off the latch

Remove the cover and see the plate.

We are interested in the 34s04 chip on the right side. 

Here are the contents of the chip

The dump reset to 0 - download

The tape

Remove the side cover from the printer. Get to the main-board

Here is the plate (you don't need to remove it)

We're interested in the  24с64 chip ( in dip-8, in the top of the crib )

The contents of the chip

The dump reset to 0 - download

Here is the result.