Specifications

Chapter 4: Troubleshooting and General Procedures
4-20
Toner (EP-
Cartridge)
Inspect the operation of the shutter; does it open as you close the front
cover?
Try another toner (EP) cartridge.
The problem may be a defective LD/CRU switch or toner (EP) cartridge.Try
to power up without a toner (EP) Cartridge; then again with a new one
Control panel message = Need Cartridge or Toner Low
The tab is broken on the toner (EP) cartridge or the cartridge was forced
into the wrong position.
Try another cartridge. If the toner sensor is disconnected (P/J 21), toner is
never recognized as being low.