98 Maintaining the Printer Chapter 7o Do not touch the print head nozzles on the print head unit. Ink mayleak out and cause stains. Also, you may permanently damage yourprint head unit, which would require you to purchase a replacement.o Canon makes numerous BJ cartridges and ink tanks; the BC-10 andBC-11 are designed specifically for the BJC-70. Therefore, use only theBC-10 and BC-11 cartridges with this printer. Use only the BCI-10 inktank with the BC-10 Black BJ cartridge, and use only the BCI-11 inktanks with the BC-11 Color BJ cartridge.o Never touch the print head on the BJ cartridge or attempt to clean itwith a cloth.o For best printing quality, use a bond paper with a cotton fiber content(for example, 25% cotton bond paper).o Use only the AC adapter that comes with the printer.o Always turn off the printer before unplugging the AC adapter—thisallows the print head to return to the home position and prevents itfrom drying out.o Keep the inside of the printer clean and dust free; use canned airto clean the inside of the printer.o Perform the print head cleaning procedure if your output is not crispand clear.o Keep the BJ cartridges and ink tanks out of the reach of children. (Theink is nontoxic.)
