Oki IP-6620 - Out of ink while printing (CIS)

OKI Data Infotech Corporation CONFIDENTIAL
Chapter 5 Troubleshooting (Engine Section and USB Controller Section)
5-58
5.4.9 The print heads have not been cleaned
<Description>
Automatic cleaning will be performed when the next printing starts.
<Action>
Perform PH RECOVERY.
Performing cleaning in advance prevent automatic cleaning when the next printing starts.
If the warning does not disappear, perform the same actions as in 5.4.1 Cap open warning.
5.4.10 Sheet mount cleaning has not been performed
<Description>
One month has passed since the last sheet mount cleaning.
<Action>
Perform sheet mount cleaning.
If the warning does not disappear, perform the same actions as in 5.4.1 Cap open warning.
PERFORM
SHEET MOUNT CLEANING
PERFORM
PH RECOVERY NOW