Ricoh D147 - Toner Supplement, Image Transfer

Guidance for Those Who are Familiar with Predecessor Products
SM 1-41 D146/D147/D148/D149/D150
Product
Information
Item D146/D147/D148/D149/D150 Predecessor Purpose
PCU
PCU:
30mm
Distance of PCU and
Charger roller: 50
m
Lubricant application blade in
the trailing direction
PCU:
40mm
Distance of PCU and
Charger roller: 18
m
Lubricant application blade
in the counter direction
Downsizing
Imrovement of
charger roller
dirt
Downsizing
Dev. Unit
Two axis development
New carrier adoption
Dev roller upsizing:
20mm
Dev screw upsizing:
22mm
Air pressure filter upsizing
Two axis one way
development
Dev roller upsizing:
18mm
Dev screw upsizing:
14mm
Stabilization of
image density
along to main
direction
High image
quality
High
productivity
More developer
amount
Prevent of toner
scattering
Toner supplement, Image transfer
Item D146/D147/D148/D149/D150 Predecessor Purpose
Toner
supply
HI-ACT system
Sub hopper toner supply
system
Two types of toner near end
(estimated near end and
fixed near end)
Toner supply unit
One type of toner near end
Less machine
down time at
toner bottle
replacement
Waste
toner
bottle
Coil driven by intermediate
image transfer unit motor
Coil driven by individual
motor
§ Layout
optimization