Question about Xerox Document Centre 420 DC Laser Printer

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Xerox 420 DC won't power up

Copier is getting no power

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How to adjust the paper registation timing during coping

Posted on Dec 12, 2009

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If the machine does not power up it is somewhere in the low voltage area, possibly a Low Voltage power supply.
the machine does have a ciruit breaker on the back, check it and make sure it is on.
the power switch also is not only a switch, but also a circuit breaker built inside the switch. It would take a trained person to diagnose this area, due to high voltages in these areas.
Also, if the machine does not start, then there can be a ciruit board or even a electric compontent that can be causing the low voltage board to power down, or even cause damage to it.
If all else fails, place a service call with Xerox. It is safer to have a trained person check this critical area.

Posted on Nov 03, 2009

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Make sure the circuit breaker on the back (near the power cord connection) isn't tripped. If it is, toggle it to a fully off position, then back to on. If it keeps tripping, try moving the unit to a different wall jack and repeating the process.

Also, do not have this unit plugged into a surge suppressor. Xerox copiers have built-in surge suppressors. Adding another external surge suppressor to the circuit can cause the unit to malfunction.

Posted on Sep 10, 2009

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SOURCE: xerox 420 dc ports?

If it's a DC that means Digital Copier, It does not have print capabilities. That would be the ST versioin.
A 420 DC is simply a copier. It can however be upgraded to an ST.

Posted on Jan 05, 2009

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First of all clean the platten glass, also the narrow glass to the left of the platten glass. If the lines are still there after doing a copy,open the upper left cover and look at the fuser heat roller,the lines could be from a toner contaminated heat roller,this can be cleaned with a minerised scowering pad.with the copier switched on press the Key button then # 1 1,touch Enter on the touch screen.touch HSFI tab,scoll down to copies on cru and enter, if the count is above 20,000 the fault could be the cru ( copy cartridge) needs replacing as it is not cleaning the drum.
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1 Answer

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If you are using oem products than send it back they are reset with a chip within the drum unit

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Dear Sir, I am very happy if you could talk to From Rector Divine Union Seminary Ayyappankavu P.O . 680 751 Mulayam Trichur 0487 2315166 To Manager Customer Care Xerox India Ltd 20th Floor DLF Square Jarcada Marg M-Block Gurgaon ? 122 002 Email: Digital.solutions@xerox.com Respected Sir, I am writing this letter to bring to your kind notice and attention a serious problem concerning the Xerox 0420 photocopier. We had purchased the machine on 06-12-2007 from your noble institution paying a huge amount of money. It is very sad to say that it is the second time that the copier is not working well and needless to say that there was no necessity of replacing the drum cartridge either. That is to say that we have not taken even 12,000 copies. Within this time we had to replace once HVPS which costs nearly 27,000/- rupees. We replaced it on 11-10-2008.Again we are confronted with the same problem. The machine is not working well again due to the dysfunction of HVPS. It is also very sad that this part cannot be repaired. When we use the copier the copies are not clear and show ?U9? code. And the service personnel from the Trichur Computer Clinic is asking us to replace the HVPS. We had purchased the machine through ?Trichur Computer Clinic? (TCC). And we were not given even 1 year warranty instead they gave us only 3 months; though the warranty card shows one full year of the purchase. Dear Sir, it is impossible for us to pay you another 27,000/- to purchase a new HVPS. To do so it seems like putting one?s own foot into the hole of a snake. We feel thoroughly cheated by you and our trust and confidence in the company is shaken. We hear similar complaints from many buyers and even from the service engineers. It is at their advice that we are writing this letter. We would like to hear from you soon .I hope you will be kind enough to take up this matter as an urgent case and do the needful as early as possible. If we don?t hear from you we will be forced to take up the matter to the consumer court . Yours Sincerely, Rector Fr. Antony Pittappillil sdv Email:pittappilly@gmail.com

Dec 15, 2009 | Xerox Document Centre 420 DC Laser Printer

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