Ricoh G188 Service Manual page 656

Engine Service Mode
141 B4 SEF
142 B5 SEF
160 DLT SEF
164 LG SEF
166 LT SEF
172 HLT SEF
255 Others
[Plotter Jam History]
7507
Displays the 10 most recently detected paper jams.
001 Latest
002 Latest 1
003 Latest 2
004 Latest 3
005 Latest 4
006 Latest 5
007 Latest 6
008 Latest 7
009 Latest 8
010 Latest 9
7801 [Memory/Version/PN]
255 Engine
G188/G189
*CTL -
Displays all versions and ROM numbers
*CTL
in the machine.
8-244 SM Appendix