2 - 22. Cleaning Mode and Suction AmountPrint head cleaning is performed effectively and efficiently depending on conditions in order to prevent printerrors caused by bubble, dust, or ink clogging.Cleaning is performed before starting to print except at the following timing:Dot count suction: Performed after paper ejectionManual cleaning/refreshing: Performed during operationUnit delivery: Performed when access cover is closedTable 2-1 Cleaning Mode List (i550/i850)Condition DetailsSuctionamountBK/CL (g)Manual cleaning Panel operation and printer driver operation 0.14/0.36Refreshing Printer driver operation 1.58/0.72Timer suction If 24 to 336 hours have elapsed since previous suction (BK).If 120 to 336 hours have elapsed since previous suction.0.14/0.36Long timer suction I If 336 hours or more have elapsed since previous suction. 0.45/0.72Long timer suction II If 1080 hours or more have elapsed since previous suction. 0.78/0.72Long timer suction III If 2160 hours or more have elapsed since previous suction. 1.58/0.72Long timer suction IV If 4320 hours or more have elapsed since previous suction. 1.58/0.72Dot count suction When prescribed dot count since the last suction is reached 0.14/0.36When replacing print head When print head is removed/installed 0.45/1.08When replacing ink tank Ink sensor detects that ink is present in the ink tankThat is the state changed from no ink in the ink tank1.58/0.72At delivery or during firsthead position adjustmentSuction when head is first installed after factory shipment 0.45/1.08Uncapped when Soft ON When capping was not performed properly during last poweroff0.30/0.72Table 2-2 Cleaning Mode List (i950)Condition DetailsSuctionamountBK/CL (g)Manual cleaning Panel operation and printer driver operation 0.89Refreshing Printer driver operation 2.68120 hour timer suction If 120 to 480 hours have elapsed since previous suction. 0.89480 hour timer suction If 480 hours or more have elapsed since previous suction. 1.34Dot count suction When prescribed dot count since the last suction is reached 1.1When replacing print head When print head is removed/installed 2.68When replacing ink tank Ink sensor detects that ink is present in the ink tankThat is the state changed from no ink in the ink tank1.34At delivery Suction when head is first installed after factory shipment 2.68Uncapped when Soft ON When capping was not performed properly during last poweroff2.68After hardware power ON(If time is not checked)Standalone test print etc. 1.34Cap open(When cap has been openfor 30 minutes or more)When uncapped for more than 30 minutes during printing orin standby0.89*1 Suction amount is the total for 6 colors