Ricoh D127 Service Manual page 470

Bit Switches
System Switch 17 - Not used (do not change these settings)
System Switch 18 - Not used (do not change these settings)
System Switch 19 [SP No. 1-101-026]
No FUNCTION
0-5 Not used
Scanner page-memory
expansion (On DRAM
6 added)
0: Not expanding
1: Expanding
Special Original mode
7 0: OFF
1: ON
System Switch 1A [SP No. 1-101-027]
No FUNCTION
LS Rx Memory threshold
value setting
0-7 [00 – FF: HEX
(0 – 1020 k Byte)]
Default: 0x80(512k Byte)
System Switch 1B - Not used (do not change these settings)
System Switch 1C - Not used (do not change these settings)
D127/D128
COMMENTS
Do not change the settings.
Expands the 4MB page-memory to 12MB, to
improve scanning possible range.
This SW does not work without DRAM added.
1: If the customer frequently wishes to transmit a
form or letterhead which has a colored or printed
background, change this bit to "1". "Original 1" and
"Original 2" can be selected in addition to the "Text",
"Text/Photo" and "Photo" modes.
COMMENTS
The received document is printed automatically
after the memory remaining amount becomes less
than or equal to this Switch's value.
Changing hex-value to decimal and then multiplying
the value by 4, suggests xxx K byte.
[i.e.: 80 changes to 128 in hex to decimal
conversion. 128x4= 512K Byte]
5-18 SM Appendix