Ricoh Ri 2000 User Manual page 99

3. Maintenance
NOTE - After performing the normal cleaning, if the nozzle condition is not recovered, proceed to
using the "STRONG" head cleaning option.
"STRONG" head cleaning is the best to resolve deflection.
Press [CLEANING].
NOTE - After performing the normal cleaning, if the nozzle condition is not recovered, proceed to
using the "STRONG" head cleaning option
If missing nozzles persist after performing the "NORMAL" or "STRONG" head
cleaning, let the printer sit idle overnight (6+hrs).
NOTE - As a rule, most missing nozzle issues can be resolved by "NORMAL" head cleaning.
NOTE - Nozzles tend to drop out more in dryer environments. This is why it is best to keep the humidity
levels at 45% or more.
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RICOH Ri 2000 User Manual