Ricoh M281 Series Service Manual page 931

4-5 Not used
6-7 Maximum printable page length
available
Bit 7 Bit 6
0 0
0 1
1 0
1 1
Communication Switch 02 (SP No. 1-104-003)
No Function
0 G3 Burst error threshold
0: Low 1: High
1 Acceptable total error line ratio
0: 5% 1: 10%
SM
does not identify itself with an RTI or CSI.
(0,0): Nothing is checked; transmission will
always go ahead.

Do not change the setting.
The setting determined by these bits is
informed to the transmitting terminal in the
pre-message protocol exchange (in the
Setting
DIS/NSF frames).
No limit
B4 (364 mm)
A4 (297 mm)
Not used
If there are more consecutive error lines in
the received page than the threshold, the
machine will send a negative response.
The Low and High threshold values
depend on the sub-scan resolution, and
are as follows.
100 dpi
200 dpi
300 dpi
400 dpi
If the error line ratio for a page exceeds the
acceptable ratio, RTN will be sent to the
other end.
97
This function does not work when
dialing is done from the external
telephone.
Comments
6(L) 12(H)
12(L) 24(H)
18(L) 36(H)
24(L) 48(H)
D255/D256 FAX OPTION
Bit Switches - 3