I have a problem with the HP laser jet 4250 N, while any one prints to the network printer over the network my DSL modem goes down. and is back in few seconds. Usually this happening at one of my remote office. As part of trouble shooting I have tested many things, I have upgraded the firmware for the printer's Jetdrive card. Replaced the computer, replaced the printer, replaced the network cables, replaced the network switch which is used to connect the computers and the printers. Checked the compters for malware, viruses and spams, but the system are clean. Also found that the DSL modem goes down when i power recycle the printer. So i disconnected the network connection from the printer and rebooted the printer the DSL connection flickers. Tried using a backup battery for the DSL modem and the Switch but the still the DSL Flickers while printing or Power recycling the printer. I know this is a weard problem and related to power may be, but want know if any one has the same issues as me.
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