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Hi My Canon IP4840 can not print blue currectly there is a ciss on it

thank you for reply I use Canon mir-aus 520-521 series ink

Hi Sir I have a problem with my MP520 It work fine but yesterday but today it printing not good. I attached its nozzle check and need your help about the PGBK Best Regards

Dear Sir May be one of the dia diodes is burt can you send me the ph pins of this print heads? Best Regards

Hi before, All of them were printing and only clogged some lines of colors but after washing by amonia this error apeared.

Hi I have some canon printheads for IP4700 and IP4840 and MP520 that they was some clogged. I lied them in a mix of amonia and iso probile alchole for some day and after drying, all of them returns same error "Printhead not installed" Please help me. Best Regards

I don't know why no body helps me?

Hi I need EEPROM Dump data or file for Canon MG5540 printer. or please send me EEPROM printout page that can print it by servicetools 3400 software. it is like this pahe I upload here: I think I can describe my request. Best Regards. Reza

Hi Friend Can you upload the eeprom information page print of MP730 here?

Dear Sir I think if I can found it's HDEEPROM data I can back it to live I just need a page of print out of service mode of service tools v3400 software this page is like this:

Dear sir I need your help I have a Canon IP3000 printer and i try to wash it's printhead by boiling water I done it and install head without drying first and now printer flash led 5 times I think the eeprom if head is cleard or damaged. if it was true I must have data of eeprom to fix it I am...