Ricoh M281 Series Service Manual page 910

Bit Switches - 1
No Function
0 LS RX memory capacity
to threshold setting
7 00-FF (0-1020 Kbyte: Hex)
System Switch 1B - Not used (do not change these settings)
System Switch 1C - Not used (do not change these settings)
No
0 RTI/CSI/CPS code display
0: Enable
1: Disable
1-7 Not used
No Function
D255/D256 FAX OPTION
System Switch 1A (SP No. 1-101-027)
Sets the value to x4KB. When the amount of
available memory drops below this setting, RX
documents are printed to conserve memory.
Initial setting 0x80 (512 KB)
System Switch 1D (SP No. 1-101-030)
Function
System Switch 1E (SP No. 1-101-031)
Comments

If a customer wants available memory
size to be larger, decrease this
threshold.
Comments
0: RTI, CSI, CPS codes are displayed on the
top line of the LCD panel during
communication.
1: Codes are switched off (no display)
Do not change these settings.
Comments
76 SM