Canon MultiPASS MP390 Service Manual page 46

Printhead refreshing
(Bk/color/all colors)
*1: In case of time suction when 24 to 60 hours have elapsed since previous suction, the sequense will be complete
after five suctions are performed after factory shipment. After that, timer suction will be performed after 60 to 180
hours elapse.
*2: Suctions will be performed separately for Bk and color with their timer counted separately since previouse
suction. Therefore, suction mode may differ between Bk and color in some cases.
Download Service Manual And Resetter Printer at http://printer1.blogspot.com
* User operation
(all colors only)
* Driver operation
(Selectable from Bk, color, and
all colors)
Chapter 2
1.50(Bk)
0.52(color)
2-9