Maintenance That Should Be Performed Once Every Six Months Or More - TDS EJ-640 Maintenance Manual

Maintenance That Should Be Performed Once every Six Months or
More.
Refreshing Subtanks (REFRESH SUBTANKS)
Refresh the subtanks once every six months to resolve issues with ink components precipitating
in the subtanks. If this procedure is not performed once every six months, print quality may be
adversely effected, e.g. printed colors may be uneven. This operation is effective when
performing light choke cleaning does not resolve uneven color issues.
Procedure
Note: When [EMPTY DRAIN BOTTLE] is displayed, you must discharge fluid.
If you do not discharge it at this stage, discharged fluid will overflow from the drain bottle during the procedure that
follows.
Note: Before you detach the drain bottle, be sure to wait for the screen to display "EMPTY
DRAIN BOTTLE."
EJ-640 Maintenance Guide