L-6534VW Operation Guide Maintenance Maintenance tank 244 No. (Illustrati on) Inspection Points Inspection Frequency Mode Reference 36 Waste liquid processing Everyday Waste liquid processing U “Waste liquid processing” on page 356 37 Supply washing liquid U “Supply washing liquid” on page 358 38 Regulator filters Once a week Waste liquid processing U “Cleaning the Regulator Filters” on page 359