Ricoh Aficio GX e3300N

1. Press the [ ] key.
BUG191S
The following message appears:
Press # to
clean heads
2. Press the [#Enter] key.
BUG161S
Head cleaning starts.
1. Hold the [Form Feed] key down for 3 seconds.
BUG143S
Head cleaning starts.
6. Maintaining
164
6