d-Color MF4003/MF3303
[1]
Toner supply screw 1
(f) Auto refining developing system
• Replacement of the developer maintains the stabilized image quality for a long period of time.
[5]
[6]
[4]
[3]
[1]
Toner cartridge/K (Toner + New carrier)
[3]
Developing chamber (circulates and agitates developer)
[5]
Carrier
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
[2]
P THEORY OF OPERATION > 1. d-Color MF4003/MF3303
[1]
[2]
TCR sensor
[1]
[2]
[2]
Waste toner box (discharging the developer)
[4]
Photoconductor
[6]
Toner
P-25
Service Manual