Brother HL-2400C Service Manual page 71

(2) Specification:
Specification of the Scanner Unit is as follows;
Rated Output of Laser Diode
Wave Length of Laser Beam
Scanning Density
Scanning Width
Scanner Motor speed
Number of Polygon Mirror Faces
Item
IV-22
Specifications
5mW.
Approx.785nm.
600dpi
220mm
23,936rpm
6