Canon GP215 Service Manual page 97

e. Mirror Image
<Original>
Main scanning
direction
a b c
<Copy>
c b
Figure 3-320
Principle
When reading data for a single scan from
RAM, the order of reading is reversed, thereby
creating mirror images in relation to main scan-
ning direction.
Addres
1 2 3 4 5 6 7
1 pixel (1 byte)
Writing
Figure 3-321
COPYRIGHT © 1996 CANON INC.
a
n n n
- 2 - 1
Reading
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. OPERATIONS AND TIMING
f. Image Repeat
<Original>
Main scanning
direction
a b c
Address S
Address E
<Copy>
a a a
Figure 3-322
Principle
When reading data for a single scan from
RAM, a start address (address S) and an end
address (address E) are specified for reading.
Then, reading is started at address S; when
address E is reached, a return is made to address
S. A specific image is repeated by repeating these
operations.
Adress
1 2 3 4 5 6 7
1 pixel (1 byte)
Figure 3-323
n n n
- 2 - 1
Reading
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