Toner Reservoir Unit - Samsung SL-X7600GX Service Manual

A3 color copier

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2. Product Specifications and Description

2.5.5. Toner Reservoir Unit

1) Main Function

Toner Buffer Space (about 0.6K Page Volume) which enable users to continue printing until new toner cartridge is

delivered from purchase

More accurate toner supplying unit by Toner full sensing algorithm

Minimize the remaining toner in Toner Cartridge

Uniform toner supply volume per second prevent abnormal case of toner-density control error in development unit

2) Working Mechanism

Toner level sensing method in Reservoir.

Toner level checked by time which floating actuator shuttering light sensor(Toner full sensor) window.

Toner supply to Reservoir

As toner level in reservoir(High, Middle, Low), operate toner bottle supply motor 1500ms, 900ms, 600ms.

3) Troubleshooting

1) Enter service mode and execute the toner dispense motor.

Service Mode > Diagnostics Engine Diagnostics Engine Test Routines > Toner Dispense Motor (Y,M,C,BK)

There is no test routine for toner full sensor in the reservoir unit.

2) Check the gear noise and motor operation.

If the reservoir driving gear is working without abnormal noise, the each reservoir unit has no problem mechanically.

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