How to Reset Brother printer DCP-7500D/DCP-B7535DW drum counter ?
Reset the drum counter
When you replace the drum unit with a new one, you must reset the drum counter by completing the following steps:
- Make sure the machine is turned on.
- Close the front cover.
- Press OK and the Up arrow key at the same time.
- Press OK to select Drum.
- Press the Up arrow key to reset the drum counter.