6. Toner and Developer
1. Color toner: Type E
2. Black toner: Type EX
3. Developer: Type F
7. Paper Feed and Transport
1. Paper Tray Unit (A166 copier only)
•
Corner Separation System
•
Front loading tray (250 sheets) and By-pass table
2. Transport: Transport belt with fan
3. Duplex unit (A187, A189 copier only)
•
Duplex unit and By-pass table
4. Paper Tray Unit (option):
•
500 sheets x 3 trays (FRR Feed System)
•
500 sheets x 2 trays (FRR Feed System)
8. Transfer and Belt Drive
1. Transfer belt: Full time contact with the drum
2. Belt transfer: Single corona charge
3. Paper transfer: Single corona charge
4. Registration: Synchronization by the transfer belt H.P. sensor
5. Drive: Synchronized with the drum (same motor)
6. Separation: Curvature separation + discharge brush
7. Transfer cycle: 1 belt rotation/A4
8. Belt cleaning: Counter blade
9. Lubrication: Brush roller with lubricant bar
9. Printer Unit
1. Optics: 6-sided polygon mirror + 2 f
θ
lenses and BTL
2. Polygon motor (16535 rpm), with ball bearing
3. Resolution: 400 dpi
4. Modulation: PM and PWM
10. System Control Unit (SCU)
1. Basic machine: The SCU is on the back side of the operation panel
(20-digit 2-line LCD)
2. Edit machine: The SCU is under the scanner unit and connected to the
touch panel display (640 x 480 dots).
Note for Ricoh Corporation:
A166 = model Aficio Color 2003
A187 = model Aficio Color 2103
A189 = model Aficio Color 2203
Overall
Machine
Information
MAJOR UNIT OVERVIEW
SM 1-15 A166/A187/A189
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