Question about Xerox CopyCentre 255 Black and White Copier

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My Xerox 255s, has not been used in 5 years and will not start. It has power thur the main power supply, from that point we are lost?

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Problem in posting. Will reply soon.

Posted on Apr 06, 2011

  • Aloke Das Apr 06, 2011

    Hi,

    According to your problem the power section unit may damaged for no using a long. But don't worry check the another first. change the power cable of your printer. Make sure the power outlet where the printer placed is OK. Clear the toner cartridge and change the toner or replace the cartridge. Reset the printer. while plugged the printer press the on button and hold it up-to 10 second. If it can't solve your problem then the power unit of the printer may need repair or replace.

    Hi,

    According to your problem the power section unit may damaged for no using a long. But don't worry check the another first. change the power cable of your printer. Make sure the power outlet where the printer placed is OK. Clear the toner cartridge and change the toner or replace the cartridge. Reset the printer. while plugged the printer press the on button and hold it up-to 10 second. If it can't solve your problem then the power unit of the printer may need repair or replace.

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Xerox 4150 workcenter says fuser module needs to warm up. This appears usually first thing in morning. I have to power off then on to stop this from showing on the screen. also, it wont print until after I...


1. Switch off the machine, then switch on the machine.
2. Enter dC330 code 10-100 to heat the fuser to 180 degrees. Enter codes 10-200 (centre
thermistor) and 10-210 (front thermistor) to verify the condition of the thermistors.
3. Enter code 10-300 to check power supply unit 2. If necessary, install a new power supply
unit 2, PL 1.10 Item 4.
4. Switch off the machine. Remove the fuser assembly. Check that the thermistors, PL 10.25
Item 9 are clean and in good contact with the fuser heat roller. Check the wiring to the
thermistors. Install new components as necessary, PL 10.25.
5. Check for continuity between the two pins on the fuser assembly connector, PL 10.25
Item 8.
NOTE: A cold fuser has a resistance of approximately 11.5 ohms (220V/240V) or 2 ohms
(110V).
6. Check that there is continuity through the fuser heater and across the over temperature
cut-out.
7. Check the wiring between the fuser connector, PL 4.15 Item 20 and CON3, CON8 and
CON9 on Power Supply Unit 2. If necessary, install a new fuser connector, PL 4.15 Item
20.
8. Check the wiring between CON4 on Power Supply Unit 2 and CN7 on the Main PWB.
9. Install new components as necessary:
• Fuser assembly, PL 10.25 Item 1.
• HVPS, PL 1.10 Item 2.
10. Perform the OF5 Main PWB Check RAP.
4250/4260 Checkout
NOTE: The main PWB has test points. The location of the test points is shown on the Main
PWB PJ location illustration.
Refer to Wiring Diagram 17, Wiring Diagram 18 and Wiring Diagram 21. Perform the following:
1. Switch off the machine, then switch on the machine.
2. Enter dC330 code 10-100 to heat the fuser to 180 degrees. Enter codes 10-200 (centre
thermistor) and 10-210 (front thermistor) to verify the condition of the thermistors.
3. Enter code 10-300 to check power supply unit 2. If necessary, install a new power supply
unit 2, PL 1.15 Item 4.
4. Switch off the machine. Remove the fuser assembly. Check that the thermistors, PL 10.28
Item 9 are clean and in good contact with the fuser heat roller. Check the wiring to the
thermistor assembly. Check the wiring to the NC thermistor, PL 10.28 Item 19. Install new
components as necessary, PL 10.28.
5. Check for continuity between the three pins on the fuser assembly connector, PL 10.28
Item 8.
NOTE: A cold fuser has a resistance of approximately 11.5 ohms (220V/240V) or 2 ohms
(110V).
6. Check that there is continuity through the fuser heat lamps and across the over temperature
cut-out. Install new components as necessary, PL 10.28.
7. Check the wiring between the fuser connector, PL 4.15 Item 20 and CN5 on the Main
PWB. If necessary, install a new fuser connector, PL 4.15 Item 20.
8. Check the wiring between CON1 on Power Supply Unit 2 and CN7 on the Main PWB.
9. Install new components as necessary:
• Fuser assembly, PL 10.28 Item 1.
• Power supply unit 2, PL 1.15 Item 4.
10. Perform the OF5 Main PWB Check RAP

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Hitachi 55" plasma TV. 5 years plus old, used a


Please let me know whats the model number of the tv so that I can tell you what the PCB LED diagnostics are pointing to. It sounds like a power supply or Main board issue so I would like to confirm which one of them it is.

Dec 22, 2011 | Hitachi 55HDS69 55 in. Plasma Television

1 Answer

Atx motherboard wiring diagram


For the power cables from the Power Supply? Or Power Supply, and Front Panel header on the motherboard?

For both of these you need to state the computer manufacturer name, and Model Number.
Post back in a Comment.


If you just wish a generic, one-size-fits-all explanation;

A) 20 or 24-pin ATX main power cable.

The older computers use a 20-pin ATX main power cable. As computers needed more power to the motherboard, the 24-pin ATX main power cable was brought out,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

Scroll the page down for info on the 24-pin ATX main power cable.

[ Much older motherboards (AT) used two main power cables. { In the link - Original PC main power cables} ]


B) 4-pin ATX +12 Volt power cable.
Was brought out because Processors needed more power, than the 24-pin ATX main power cable feeding the motherboard, could deliver.

Power for the Processor,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4


C) 4-pin standard Peripheral power cable
Commonly misnomered as 'Molex'.

Molex was a model name given by the first manufacturer, of this design of power cable connector.
The name stuck. Kind of like referring to an adjustable open-end wrench as a Crescent wrench.

It is also referred to as a 4-pin Standard Peripheral power cable, because there are two styles of 4-pin Peripheral power cables.

4-pin Standard Peripheral power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#peripheral

Generally used for IDE (PATA) harddrives, and IDE optical drives.


4-pin Small Peripheral power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#floppy

Older computers used it for power to the Floppy Drive. It's generally used now to provide power for a Card Reader.

Note that both types of connectors use the same power wires, and 2 ground wires.
Yellow is 12 Volts
Red is 5 Volts
Black is Ground

[ Also, in the ATX main power cable:
Orange is 3.3 Volts, the Green wire is the Soft Power On wire. Abbreviated as PS_ON.

Power Supply plugged into power, the Soft Power On wire is briefly touched to ANY Ground wire. This is bypassing the Power On switch.
If the computer (Power Supply) comes on, you have a bad Power On switch.
IF the computer (Power Supply) does NOT come on, you have a bad Power Supply ]

(ALL Black wires are Ground wires. They all lead back to one central Ground point.
ALL power wires lead back to one point in the power supply, for EACH power wire.

The 12 Volt power wires, (Yellow), all lead back to one point in the Power Supply.
This is the 12 Volt power rail.

The 5 Volt power wires, (Red), all lead back to one point in the Power Supply.
This is the 5 Volt power rail.

The 3.3 Volt power wires, (Orange), all lead back to one point in the Power Supply.
This is the 3.3 Volt power rail ]

D) SATA power cable
15-pin power cable for SATA harddrives, and SATA optical drives,

http://www.playtool.com/pages/psuconnectors/connectors.html#sata

[ The smaller 7-pin SATA connector is the interface cable, or data cable.

IF, you have a SATA harddrive that has a provision for a SATA power cable, AND a 4-pin standard Peripheral power cable, ONLY use the SATA power cable.

It will burn out the harddrive if you use both. It may not do it right away, but eventually it will.
I have had people state over the years, that they were using both power cables. Came back two months later to tell me their harddrives had burned out ]

More to follow in a Comment.

Regards,
joecoolvette

Sep 30, 2011 | Computers & Internet

1 Answer

Last summer we installed a Intex salt water filter it worked great for about 2 1/2 months. It stopped working, Checked the power supply nothing was coming thur it. Intex relpaced it under warranty. Started...


This could be a flow problem and you will need to check your pump baskets for junk and make sure your filter is clean. Also you can check your flow switch to be sure it is working.

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1 Answer

When i print using my docuprint 203A fuji xerox, the printout result paper was cover with black all over. what does this mean?


This is a rebadged Brother Printer.

Possible causes for a solid black output:
1 Corona failure
Is the corona wire dirty?
Clean the corona wire with the wire cleaner.

2 Corona wire broken?
Replace the drum unit

3 Are the charge electrodes between the printer body and
the drum unit dirty?
Clean both electrodes.

4 Harness connections?
Is the laser unit connected to the main PCB correctly?
Connect the harness between the laser unit and the main PCB
correctly.

5 High-voltage power supply PCB failure
Is the problem solved after replacing the high-voltage
power supply PCB?
Replace the highvoltage power supply PCB.

6 Main PCB failure
Is the problem solved after replacing the main PCB?
Replace the main PCB.

7 Laser unit failure
Is the problem solved after replacing the laser unit?
Replace the laser unit.

Good Luck!

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try swapping a known good monitor to make sure its the monitor?
http://www.aa1consulting.com

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1 Answer

Mcintosh mc7150 lights dim on higher volume


Yes you could be right about the power supply capacitors as they have a tendency to dry out. Another tip is to inspect the terminations of these capacitors and clean their contact points as often the screw and screw boss is a different metal and corrosion and electrolysis occurs between these and the main power supply connectors. If in doubt clean with a scotch scourer till shiny metal is exposed on connection points. Then coat contacts with electrical contact conditioner (lanolin grease is good too) before reassembly.

Some amplifiers do not have sufficient storage to sustain high bass levels into difficult speaker loads, the Mac should not be one of these however . To verify that your dedicated AC outlet is not a limiting factor - use a power board and plug an incandescent lamp into the same point as the amp and see if you see any flickering of lamp when the amp lights dim.

If no evidence of limiting of main power and connection maitenance does not solve the issue, replacing the capacitors is indicated.

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2 Answers

Where to buy Power Supply for Xerox Documate 510


part number 70- 0497-100, you can buy this around 50$ , visit www.superwharehouse.com and provide this part number...

cheers dont forget to mark this pls

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Canon copier xerox


If you do not have a loose connector to one of the boards or power supplies. I would suspect the main board.
Wow been ages since I even heard that model number.

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1 Answer

Blank screen for 15-20 minutes at startup


I have a Xerox XA7-19i. It has the same problem as described by many others - intermittent fault with the display that manifests as a white screen when the monitor is first switched on. After a few trys of switching on and off, the monitor works fine until left off for a few hours. Recently, the problem deteriorated to no light from the panel, and a flashing blue power light.

I HAVE SUCCESSFULLY REPAIRED MY MONITOR:

I opened up my monitor and removed the power supply board.
I de-soldered every electrolytic capacitor, and replaced them with new capacitors of the same uF and voltage rating.
I put the monitor back together again and switched it on - it worked perfectly!

Yes - these monitors have been built using sub-standard / under-rated electrolytic capacitors. After two years of use, the power supply board was unable to supply enough power to the logic board and backlight, causing the above-mentioned problems.

The repair cost me ~ GBP 15 (USD $30). It is not a difficult fix, but one only to be attempted if you have electronics knowledge. Careful, kids! you'd be playing with the power supply of a mains AC electronic device. That stuff can kill.

But - I saved myself (and the environment) from having to throw out a monitor and buy a new one. If you have a faulty xerox monitor and are getting no love from Xerox customer support, find an electronics geek and ask them to replace the electrolytic capacitors on the power supply board. (but be careful to get the right kind of capacitors, and to get the capacitor polarity correct. If you have any doubt as to you ability to do this, don't bother trying!).

Good luck!

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