Canon PIXMA MP800 Service Manual - Page 47

2. CLEANING MODE AND AMOUNT OF INK PURGED To prevent printing problems due to bubbles, dust, or ink clogging, print head cleaning is performed before the start of printing (when the cleaning flag is on), except in the following cases: - Cleaning on arrival: Performed when the scanning unit (printer cover) is closed. - Manual cleaning / deep cleaning: Performed manually. Black: Pigment-based black Color: Dye-based black, cyan, magenta, yellow Condition On arrival of the machine (All in sequence) Details First to third cleaning after shipped from the plant*1. Amount of ink used (g) (in the normal temperature/humidity environment) Est. required time (sec.) (not including the time of opening the caps) 0.57 (Black) 100 2.25 (Color) Dot count cleaning (Black) Timer cleaning - 0*2 (Black only) When the specified number of dots are printed 0.20 (Black) since the previous Black cleaning. If 24 to 60 hours have elapsed since the previous Black cleaning till the start of the next printing. 0.20 (Black) 35 (Black) 35 (Black) Timer cleaning - 1 (Black only) If 60 to 96 hours have elapsed since the previous Black cleaning till the start of the next printing. Timer cleaning - 2 (Black only) Timer cleaning - 3*3 (Black/Color) If 96 to 120 hours have elapsed since the previous Black cleaning till the start of the next printing. If 120 to 336 hours have elapsed since the previous Black/Color cleaning till the start of the next printing. 0.20 (Black) 0.66 (Color) 35 (Black) 40 (Color) Timer cleaning - 4 If 336 to 504 hours have elapsed since the 0.57 (Black) 80 (All in sequence) previous Black/Color cleaning till the start of 1.06 (Color) the next printing. Timer cleaning - 5 If 504 to 720 hours have elapsed since the 80 (All in sequence) previous Black/Color cleaning till the start of the next printing. Timer cleaning - 6 If 720 to 1,080 hours have elapsed since the 80 (All in sequence) previous Black/Color cleaning till the start of the next printing. Timer cleaning - 7 If 1,080 to 2,160 hours have elapsed since the 1.27 (Black) 85 (All in sequence) previous Black/Color cleaning till the start of 1.06 (Color) the next printing. Timer cleaning - 8 If 2,160 to 4,320 hours have elapsed since the 1.95 (Black) 90 (All in sequence) previous Black/Color cleaning till the start of 1.06 (Color) the next printing. Timer cleaning - 9 If 4,320 to 8,640 hours have elapsed since the 1.95 (Black) 90 (All in sequence) previous Black/Color cleaning till the start of 1.06 (Color) the next printing. Timer cleaning - 10 If 8,640 or longer hours have elapsed since the 90 (All in sequence) previous Black/Color cleaning till the start of the next printing. At print head replacement When the print head is removed and installed. 0.57 (Black) 100 2.25 (Color) 2-3