Image Quality Standards; Resolution - Ricoh D197 Service Manual

Image Quality Standards

3.2 IMAGE QUALITY STANDARDS

3.2.1 RESOLUTION

Item
Copy
(100%/Enlargement),
Black and White (1C)
Copy (Reduction),
Black and White (1C)
D197/D198/D199/D200/D201/D202
Specification
Ave 5.0 lines/mm or
more
Min 4.5lines/mm or
more
Min 4.5×M lines/mm
or more
Chart Measuring method
Book: S-5 Copy onto plain paper
(revised) using Auto Image
Density/5 notches and
then determine resolution.
DF: S-5Y
(revised)
3-2 SM