Printer Repairs in Karachi?

Any body knows of a good printer repair shop in Karachi.

I have an HP Officejet 7210 (about two years old).

The problem is with the tracks/circuit in the area where the print cartridge is inserted.

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Reading reviews and forums on various websites (and even amazon.com), i came to know that this is a manufacturing defect. Warranty was extended in UK,USA; but well I can't do anything in Pakistan.

I believe their is no HP support center in Karachi. Even if they extend the warranty; its better to buy a new printer than to pay for the shipping costs.

Are the local repair shops able to correct these errors?

any one knows of any printer repair shop? (not just specific to my problem)?