Service Manual

TONER SUPPLY/CLEANING/RECYCLE UNIT
2-17
II UNIT EXPLANATION
5. TONER SUPPLY/CLEANING/RECYCLE UNIT
5.1 Composition
Symbol Name Function or method
[1] Toner collection sheet Collection of toner separated by the cleaning blade from the drum
surface
Rotating collection method
[2] Cleaning blade Drun cleaning
Drum contact/separation method
[3] Toner conveyance screw Agitation of toner and conveyance of toner to the developing unit
Screw method
[4] TLD (Toner level sensor) Detection of the toner level in the toner supply unit (Detected
when the residual quantity of toner gets to about 30g.)
Piezo element method
[5] Toner bottle Toner supply (bottle capacity: 676g)
Toner bottle rotation method
[6] Toner supply paddle Conveyance of toner from the toner bottle to the toner supply unit
Fixed method (Since the toner bottle rotates, this serves as the
toner introduction section.)
[7] Toner agitation plate Agitation of toner supplied from the toner bottle and the cleaning/
recycle section, and conveyance of the toner to the toner convey-
ance screw
Screw method
[8] Collected toner conveyance
screw
Conveyance of toner from the cleaning section to the toner supply
unit
Screw method
[3]
[2]
[1]
[7][6] [8][5] [9][4]
CB
M1
M4
SD9
M10