Ricoh GelSprinter GX e5550n User Manual page 192

6. Maintaining
2. Simultaneously hold the [ ], [Escape], and [#Enter] keys down for 3 seconds, and then
[#Enter] key.
The following message appears:
Press # to
unlock
3. Press the [#Enter] key.
The following message appears:
Panel Unlocked
The initial screen appears.
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