Ricoh PRIPORT VT 2000 Series Service Manual page 75

28 February '91
CN902-1
L: Black
H: White
The image data (P-DATA) of 1 scanning sent to the thermal head drive
control board is stored in the line memory. When the image data of the next
scanning is stored in the line memory, the previous stored line memory data
is output and processed with the image data of the next scanning at ICb.
H: Black
L: White
Previous Line
H: Black
Memory
L: White
1
3
IC a
2
1st Output → H
2nd Output → L
2-48
Image Data
1
3
IC b
2
Previous Image Data
Output