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Yes, I guess this sums it up. I did squirt a little windex into the purge unit itself. One note, taking off the outer case of my ip4500 was a bear. There was no problem with the screwdriver activated latches but those two hidden hooks inside the case were really hard to get released -...

GHWellsJr: You were right! The left side door was off its hinge. I had seen a switch on the left side that I was pretty sure detected that the door was closed and it didn't seem to operate properly. Now the door closes nice and smooth. This printer is now printing just like new. My wife is...

Has anyone had this problem with the inner cover giving an error message that it is open on an ip4500 or similar printer? I am trying to find the switch that controls this and have not found it yet. This wouldn't be a software problem - I have seen some results on Google adter people installed...

Ok, my wife and daughter are better and my mother is out of the hospital. Time to get back to work! After several attempts to clean the black tray port holes with a fine wire and a lot of windex, I disassembled the printer with some help from a youtube video. It wasn't too bad once I got...

Sorry I haven't gotten back with anyone - my daughter has been sick and now my wife is ill. My mother is in the hospital too! Lin, I am using a new canon cart with canon ink. I haven't taken anything apart yet and haven't run any tests. I will get back to that in a couple of days.

I think you are correct with the ink flow. I did blot some windex / ink mixture from the pad with a paper towel after cleaning the head. It looked like it was ready to overflow. That must have been some of the last ink available since it isn't pulling any new ink from the cart. The bit of...

I will try to clean the pad tomorrow and let you know. Thanks for the info.

Here is a nozzle test before I rinsed the print head. Notice big white gap: Here is the nozzle test after the water rinse and after a deep cleaning cycle on the black text ink only: I have also tried a new oem black cart with the same results. I wonder whether the purge unit may have a...

I found the thread on cleaning the print head and washed it throughly under hot water until all the colors came out. I let it set for 24 hours and tried a nozzle test. The colors print ok as was before but now there is absolutely no trace of the black text or grid pattern. This is worse than...

I have cleaned the printhead by putting windex on the screen of the print head and by soaking in windex saturated paper towel. I will search for your printhead cleaning thread. Thanks.

This is my first post here. I have learned a lot reading different topics. I successfully reloaded my Canon ip4500 carts using the German method learned here. I am having problems printing text. My nozzle test shows a white gap in the middle of the PGBK test grid. I have cleaned the print...