Question about Canon PIXMA iP90 Mobile Printer
Error 5100 is mostly because of some obstruction in the print path, the gears, or ink on the clear plastic encoder strip.
There is the purge cap (the white sliding mechanism that the print head parks to when it's not in use) which was not lubricated well enough from factory. If you lubricate the sliders with some white grease (don't get it on the small wipers or the black caps) the mechanism can now slide more freely, and the unit can park the head properly without giving you the dreaded head homing error 5100 (or E-2-2 on the LCD display)
Keep in mind that this repair will probably require you to remove the right panel off of the printer to gain access to the purge mechanism. There are two screws behind the printer, and two in front for each corrosponding side panel (the front screws are behind the grey front panel of the printer - open the top cover to see the clips which hold the front cover on).
I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
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Posted on Apr 26, 2009
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Posted on Jan 02, 2017
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