Sorry, typing a lot slow than my train of thought.  If the line drivers 
fail, you are pretty much out of luck unless you can find the chip and a 
replacement.  When you can get a inkjet printer for about the same price 
as the cartridge, it is pretty much a design for recycle situation.

Kin Wong wrote:

>Inkjet printers are also known as spit printers, where the liquid ink is 
>heated up by an electric current causing it to boil and explode through 
>a tiny nozzle.  Thus if the problem is persistent anytime you are 
>printing colour text, they it could be the contacts for controlling the 
>top nozzles are dirty and you don't have adequate connection or the 
>drivers for those contacts have failed.
>
>If it is a dirty contact, you can try some 100% isopropanol to clean 
>it.  If it is corroded, use a pink eraser from a pencil to clean up the 
>contacts a bit and repeat the some 100% isopropanol.
>
>hth
>
>D Bhardwaj wrote:
>
>  
>
>>On this inkjet printer, only the top part of only 'coloured' and not b&w 
>>characters fail to print properly - meaning the colour is not only faint but 
>>different shade. This symptom manifests when printing from a website - 
>>mostly. The cartridge has been replaced but no go.
>>Any ideas?
>>
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