Konica Minolta magicolor 1600W Service Manual - Page 81
Waste toner near full detection system, Waste toner near full condition detection control, Waste
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magicolor 1600W magicolor 1650EN 14. Toner collecting section Theory of Operation Ver. 1.0 Nov. 2008 14.3.2 Waste toner near full detection system • Waste toner near full and waste toner full conditions are detected through the control performed using the Waste toner near full sensor, toner agitating screw, and the internal counter. A. Waste toner near full condition detection control • Rotation of the toner agitating screw causes the actuator to move up and down via the float plate, so that the Waste toner near full sensor detects "H" and "L" signals alternately. • When the amount of waste toner in the waste toner box exceeds a predetermined level, the toner agitating screw no longer rotates. This results in the Waste toner near full sensor detecting either the "H" or "L" signal only. • The machine determines that the waste toner box is in the waste toner near full condition. Float plate Waste toner near full sensor Toner agitating screw Actuator A034T2C539AA B. Waste toner full detection control • The machine determines that there is a waste toner full condition when 200 images are reached after a waste toner near full condition has been detected. • The counter is automatically cleared to reset the waste toner full condition when the imaging cartridge is replaced with a new one. COMPOSITION/ OPERATION 54