Ryobi 3302H Operation Manual page 168

Chapter 1 Maintenance after the Printing
Maintenance Edition - 2
«NOTICE»
Insert the pins (1) of the ink roller cleanup attachment into the pin holes
on the bracket (2) exactly. If it is not set properly, when running the
press, the ink roller cleanup attachment will drop and this will cause an
accident.
Run the press and apply the cleaning solution on the rollers evenly, then
shift the ink roller cleaning lever in the direction of the arrow (down).
Shift the metering roller release lever in the direction of the arrow (
~
position) to release the metering roller from the water fountain roller and
water oscillating roller.
Push the speed set buttons at the same time and the speed indication is
automatically set to "70".