Service manual
1. Copier
1. Dimensions (W x D x H):
Basic machine - 620 x 700 x 632 mm [24.4"x27.6"x25.2"] (with paper
tray unit: 620 x 700 x 1010) [24.4"x27.6"x40.1"]
Edit machine - 620 x 750 x 632 mm [24.4"x29.8"x25.2"] (with paper tray
unit: 620 x 750 x 1010) [24.4"x29.8"x40.1"]
2. The printer unit, system control unit, and scanner unit are independent
modules connected with an interface.
2. Scanner Unit
1. 400 dpi (8 bits/dot) scanning in both main and sub scan directions
2. 3-line CCD with reduction optics
3. Exposure lamp: Halogen lamp
4. 5-phase stepper motor drive
3. Drum Unit
1. The drum unit contains the photoconductor drum, charge corona unit,
and cleaning unit
2. Charge corona unit: Single scorotron charge
3. Quenching Lamp: Red LEDs
4. Drive: Synchronized with the transfer belt (dc brushless motor and
flywheel); full speed = 105 mm/s
5. Potential sensor and ID sensor included
4. Fusing and Paper Exit Section
1. Fusing: Silicone roller fusing (both hot and pressure rollers)
2. Oil application method: Double roller
3. Cleaning: Roller cleaning for the hot roller
Cleaning blade for the pressure roller
4. OHP/Thick paper mode: Half speed (52.5 mm/s)
5. Development and Toner Supply
1. Development: Two-component magnetic brush development
2. Development switching: Revolver System
3. Image density control: ID sensor and Potential sensor (Process control)
4. Toner supply
Black: Screw-in bottle (300 g)
Color: Sector cartridge (100 g)
5. Toner supply unit: Front of development unit (rotation type)
MAJOR UNIT OVERVIEW
A166/A187/A189 1-14 SM
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA










