Ricoh PRIPORT VT 2000 Series Service Manual page 87

28 February '91
2.11.5 Background Pattern
1). 4 mm Background Pattern
The 2mm background pattern data is stored in the ROM on the make-up
board.
The 4 mm background pattern is made by simply doubling the 2 mm
background data with the F/F circuit.
Background data in ROM
(2 mm standard pattern)
Paper
Feed
Direction
2). 90 o Pattern Rotation
The 90 o 2 mm background pattern data is also stored in the ROM on the
make-up board.
The 90 o 4 mm background pattern is made by doubling the 90
background pattern data that has been rotated 90
Background data in ROM
(2 mm standard pattern)
Paper
Feed
Direction
4 mm Background Pattern
2/16
o
90
2/16
2-60
o .
rotated background data in ROM
o
(90 2mm rotated pat-
2/16
o
2 mm