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d-Color MF4003/MF3303

P THEORY OF OPERATION > 1. d-Color MF4003/MF3303

P-25

[1]

[2]

[1] Toner supply screw 1 [2] TCR sensor

(f)Auto refining developing system

• Replacement of the developer maintains the stabilized image quality for a long period of time.

[1]

[2]

[3]

[4]

[6]

[5]

[1] Toner cartridge/K (Toner + New carrier) [2] Waste toner box (discharging the developer)

[3] Developing chamber (circulates and agitates developer) [4] Photoconductor

[5] Carrier [6] Toner

Description

• The toner cartridge is filled with the toner and a small percentage of carrier.

• The fresh carrier is supplied together with the toner to the developing unit.

• When the developer (toner + carrier) circulates in the developing chamber, excessive developer in the developing unit is discharged to

the waste toner bottle.

• Replacement of the developer prevents degradation of developer and maintains stabilized image quality for a long period of time.

1.71ST TRANSFER SECTION

1.7.1Configuration

Y119930-3

Service Manual

Olivetti d-Color MF4003 User Manual

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