Question about Samsung SCX 4521F All-In-One Laser Printer
I have replaced the toner twice, yet still it is saying toner empty?
If you are using refilled cartridges those errors are common, Samsung has an eeprom on the cartridge keeping track of usage and you need a new chip from the refillers. If you are using OEM cartridges you need to clean the contacts inside the machine that the cartridge connects to and wipe the contacts on the cartridge before installing, Otherwise a shop repair for the CRUM circuits.
Posted on Sep 11, 2009
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Posted on Jan 02, 2017
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