Ricoh G188 Service Manual page 422

Service Mode
1108 001 Mode 1: Text
1108 002 Mode 2: Text
1108 003 Mode 1: Image
1108 004 Mode 2: Image
1108 005 Mode 1: Line
1108 006 Mode 2: Line
1108 007 Mode 1: Paint
1108 008 Mode 2: Paint
G188/G189
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DFU
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8-10 SM Appendix