HP 2420n and 2420dn and I need only models 2420dn.

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HP 2420n and 2420dn and I need only models 2420dn. I have tryed to change the formatter in 2420n models with the 2420dn formatter and in the first re-start the machine shows the duplex option but in another re-start the option disapear. So I need to know what more I can do for convert the 2420n models in 2420dn. Thanks.



hp常见故障问题解答   2013-1-20 22:29:17 

    Seriously you do not know this printer. All 2400 series printers have automatic duplex hardware built in, however, the coding to activate it is contained on the formatter and dc controller. When one of these items is replaced with a new unused piece the other writes the code to the replaced part. If a used part is put into the printer, then weird things can happen, including making a non duplex unit duplex but also causing a duplex printer to loose the duplex option. Most times when a duplex formatter is placed in a non duplex printer it will show up as duplex at first but for some reason the dc controller writes code to the formatter telling the printer is non duplex so on the restart it reverts back to non duplex and most times that formatter will never revert back to duplex.

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苏州hp售后维修站 互动   2013-1-20 22:29:17 

    Seriously you do not know this printer. All 2400 series printers have automatic duplex hardware built in, however, the coding to activate it is contained on the formatter and dc controller. When one of these items is replaced with a new unused piece the other writes the code to the replaced part. If a used part is put into the printer, then weird things can happen, including making a non duplex unit duplex but also causing a duplex printer to loose the duplex option. Most times when a duplex formatter is placed in a non duplex printer it will show up as duplex at first but for some reason the dc controller writes code to the formatter telling the printer is non duplex so on the restart it reverts back to non duplex and most times that formatter will never revert back to duplex.



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