There are lots of hp service repair centers for the wide range of printers but all the agencies do not provide the satisfactory service and if you make a wrong selection of service center, you will eventually end up in the situation where your printer will again show up the same symptoms of the faults as before in spite of the repair service. The reason for this is that all the agencies do not have certified and well experienced technicians and they cannot diagnose the fault in the proper way. For every successful repair, a correct diagnosis is very much necessary. So, you are always advised to opt for the organizations or the repair agencies having years of experience in this field.