very good manual, with detail and clarity in esquematic diagrams and waveforms .
Text excerpt from page 34 (click to view)
AR-505 In the case of other models In the case of other models Take off the seal end and slowly remove it.
Insert two projections of the toner cartridge into the notches of the toner supply port. 5) Move the toner cartridge in the arrow direction until it stops. In the case of AR-501/505 When removing the seal, hold and fix the toner cartridge. 7) Tap the top of the toner cartridge several times.
In the case of other models This is to shake off toner attached to the side surface of the toner cartridge. 8) Move the empty toner cartridge in the arrow direction and remove it.
6) In the case of AR-501/505 Pull the lever in the direction of the arrow until it breaks off. Then pull the lever in the direction of the arrow to remove the seal.
9) Push the toner box to the original position, and put the toner box lever to the original position.
