Canon 1000 Service Manual page 668

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Item
MRK-MB Changes the image data processing method used for
(Note 1) reading images into memory for freehand/point specifi-
cation.
If the value is increased, filling gaps will be easier.
MRK-TH Adjusts the slice level for binarization used for reading
(Note 1) images into memory for freehand/point specification.
If the value is increased, finer lines may be read.
Note 1:
You must enter the appropriate value whenever you have replaced a PCB or initialized a RAM; record
any new values on the service label for this purpose.
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COPYRIGHT © 2001 CANON INC.
Description
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Remarks
Settings: 0~3
Standard: 0
Settings: 0~255
Standard: 128