Canon GP160DF Service Manual page 553

[Bit 5]
Use it to specify whether to reduce and print on LTRR paper.
If printing on non-LTRR paper without reduction is desired for a long-size page, be sure
to select "No."
[Bit 6]
When a report cassette has been specified, a report can only be output from the speci-
fied cassette.
[Bit 7]
Selects whether or not to set sub-scanning priority record.
"Set": When B4 and A4R size paper are set and an A4 length* image is
received, use B4 paper to print.
"Do not set": When B5 horizontal and A4R paper are set and a B4 sized image is
received, divide the image to B5 horizontal paper size and print.
* An image whose length is less than B4 size, an image which cannot be reduced and
printed on A4R paper.
CHAPTER 4 SERVICE MODE
4-51