KX-CL500, KX-CL510 - Panasonic Copying Equipment Service Manual (repair manual). Page 106

The accumulator tension unit is for operating the function of accumulator unit and pushing the waste toner in the waste toner
cartridge.

The accumulator unit consists of “ATU Drive Clutch”, “Taking up accumulator belt slacking”, “Contacting STR Roller to Accumulator
Belt”, “Selecting of FTR Roller”, “lifting up FTR Roller” and “Waste Toner Cartridge Stirring” mechanisms.

ATU

(Accumulator Tension Unit)

STR

(Second Transfer Roller)

Acc. Unit

(Accumulator Unit)

(1)  ATU Drive Clutch
(2)  Taking up Accumulator Belt Slacking
(3)  Contacting STR Roller to Accumulator Belt
(4)  Lifting up FTR Roller
(5)  Selecting of FTR Roller
(6)  Waste Toner Cartridge Stirring

(2)

(3)

(4)

(5)

The accumulator tension unit operates 
the main mechanical function of 
accumulator unit and these parts 
engage.

(1)

Figure-1

Accumulator Roller
Support Lever

(6)

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