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24 February, 1999
MAJOR UNIT LAYOUT AND PAPER FEED PATH
(1) Scanner
1. 400 dpi, 10-bit scanning in both main and sub-scan directions
2. 3-line CCD
3. Halogen exposure lamp
4. 5-phase stepper motor drive
5. Dual-side continuous scan (A4) support (in continuous copy mode)
(2) Operation panel (A259, A260)
1. 10.4-inch (640 x 480) color LCD (8-bit) touch-panel
2. An additional operation panel is installed when the printer controller is installed.
(3) Laser unit
1. Optics: 6-sided polygon mirror + 2 f-theta lenses + BTL
2. Polygon mirror motor (16535 rpm) with ball bearing
3. 400 dpi (8 bits per pixel for each color) in copy mode
600 dpi (8 bits per pixel for each color) in printer mode
4. Modulation: PM + PWM
(4) Transfer belt
1. Transfer belt: Always in contact with the drum
2. Belt transfer: Indirect application of voltage with a roller
3. Paper transfer: Roller transfer
4. Registration: Synchronization by the transfer belt H.P. sensor
5. Drive: Synchronized with the drum (same motor)
6. Separation: Curvature separation + corona unit
7. Transfer cycle: 1 belt rotation/A4, 2 rotations/A3
8. Belt cleaning: Counter blade
9. Lubrication: Brush roller with lubricant bar
1-15
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