HP 7000 slow printing

Tigerman

Printer Master
Platinum Printer Member
Joined
Jan 6, 2011
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Location
Jordan
Printer Model
Canon MG5640, iX6840
HI all
my printer hp 7000 after continous printing become very slow and finally stopped printing
is the printhead damged ?
i try clean it with hot water but same problem
*i used refilling cartidges.(mostly i refill black sometimes used original cartidges)
*the printer become slow after 30 pages of A4 size, then after let it for 20 minutes it print again but that not usefull way
** can i cool the printhead with for example mini fan ????? like usb fan ?
please if any have idea tell me the problem that in cooling or in printhead need cleaning ??????
if any want pictures of printer or printhead i ll supprt wd it
note: i open printer cover and let it printing while it opened it take long time to stop than it closed.
*** its so diffcult to cool printerhead because its in hard place to reach any cooling system.
i ll fight until success but please i need information from all to help me
what best ciss sys used for hp 7000 ?:D
 
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