Ricoh PRIPORT VT 2000 Series Service Manual page 80

2.11.2 Command Sheet Data Reduction
The designated line data read from the command sheet is reduced to 1/64
and stored in the memory as shown in the illustration.
8 pixels
8 pixels
If any pixel in each of the 8 x 8 pixel squares is black, the square is stored
as black data.
2.11.3 Designated Area Memory
Command Sheet Reading
Designated Area
Data
The designated area by the command sheet is stored in the memory as a
solid fill area data.
The designated area is read in two directions. One is from the leading edge
to the trailing edge and the other is from the trailing edge to the leading
edge.
Solid Fill Operation
Frame Memory
Memory Processing
Solid Fill Operation
In Opposite Direction
2-53
28 February '91
Stored Data
Designated
Area Memory