Optical Write Unit

Ricoh Optical manufactures a wide variety of LSUs laser scanner units used in equipment including laser printers, digital copiers, digital facsimiles, laser lithographic equipment, all types of image processors and measuring equipment, etc.

1. Print size

A4 (LT : 216mm) handles up to A0

2. Spot diameter

From 300dpi to 1200dpi. Manufactured to 10um (1/e2) for custom applications

3. Wavelength

F-theta Lens with color aberration correction can be utilized

4. Optical system with cross-scan

Utilizing glass and plastic lenses permit correction of high magnification rates.

Ricoh Optical LSUs offer high magnification compensation by utilizing glass and plastic lenses produced in one complete process from design and machining to assembly according to customers application purpose.

The RIKENON optical scanning unit is a high performance lens unit to be mounted on laser scanning equipment.

FEATURES ・Optical system unit incorporating cross-scan error compensation ・High precision response ・High scanning line density ・Compact design by using custom lenses

APPLICATIONS ・Laser printer ・Digital copiers ・Digital facsimiles ・Image processors ・Printing equipment (digital proofer, image setter, etc) ・Measuring equipment and other applications

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LSU for Laser printer/Digital facsimiles/Digital copiers

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  A2 1000dpi LSU for Printing equipment
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  Telecentric LSU for Measuring equipment

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  RGB correspondence
  A3 chromatic aberration correction LSU
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  RGB correspondence
  A4 chromatic aberration correction LSU