Question about Dell 1600n All-In-One Laser Printer

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Dell MFP 1600n Power Supply Failure - need part identification

I need to know the identity of a part installed on the power supply circuit board marked "TNR1". It is located next to the fuse very close to the power switch. It has two leads to the circuit board, appears to be covered by heat-shrink tubing and is semi-circular across the top. This part and the fuse (located next to it) were damaged in a power surge and replacement of TNR1 would appear to put me back to work. Thanks.

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I found a replacement board on the internet for $89.00, then realized you could replace the entire unit for about $200. So I threw it away.

Posted on Oct 05, 2009

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Dell1600n will not turn on


Well first you have to check the power supply, seems to be expensive to repair, you need to remove the side covers and rear to see AC board

Apr 29, 2012 | Dell 1600n All-In-One Laser Printer

1 Answer

Loss power after that there something in screen like sparking like thunder


Possible failure of the display driver circuit or the back light circuit.This can also be a failure of the capacitors in the board or the power supply.
So you need to open and check on the power supply and board for bursted/bulged capacitors. Clean the electrolytic that had oozed out , replace the capacitors , check the power supply voltages and reset.

Apr 21, 2011 | Televison & Video

1 Answer

Dell 1905fp No Display ( No Picture) on screen but Power Indicate light stays on green. Or Screen Flickering.


You have either power supply or inverter circuits failure, worst case will be lamps.
Most common failure in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed Dell monitors to get some ideas what goes wrong: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further.
http://www.badcaps.net
http://en.wikipedia.org/wiki/Capacitor_plague

Boards: http://www.lcdrepair.us

Apr 05, 2010 | Dell UltraSharp 1905FP 19" LCD Monitor

1 Answer

Does anyone know which connector to plug into on power supply


Double check all the connections from the AC line and from the power supply to the other circuit boards. The connectors you are mentioning are identical as per the picture below.
If you need a new power supply, you can find one from this link.


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Dec 04, 2009 | Protron PLTV3250 32 in. LCD Television

1 Answer

I had two bad PC's One would not power up. Thought power supply. Took out identical power supply from the other bad PC. Still would not power up. I fiqured bad mother board. Put the power supply back into...


Ensure the power supply at the wall is good, ensure all plugs of power supply are plugged into Mobo, especially the CPU pwr supply if it has one. You really need to know 100% if the power supply you are using is good. If so and absolutely no boot. HDD activity then I would first suspect ram then CPU then mobo. Simply remove / replace ram, sometimes fixes them.

Nov 30, 2009 | Dell Dimension 2400 PC Desktop

2 Answers

My Dell 1905FP 19 monitor went black & green power light flickers


It sound like a short circuit. I had this problem with 1907FP model. It had an USB port on the monitor which got damaged and it was shortening to the groung. In your case it might be a bad internal power supply board.

Nov 20, 2009 | Dell UltraSharp 1905FP 19" LCD Monitor

2 Answers

Prints faint copies


If the print rubs off the page, this means the toner is not being fused to the page. Fused......this is done by the fuser. This would have nothing to do with light print.

The dell (1600n and 1815n /1815dn) printer drivers has a toner saver mode, which can contribute to light print.

To turn Toner Save Mode off, (Windows XP) perform the following steps:
  1. Click the Start button, click Settings, and then click Printer and Faxes.
    The Printers and Faxes window appears.
  2. Right-click Dell Laser MFP 1600n, 1815dn, and left-click Printing Preferences.
    The Dell Laser MFP 1600n, 1815dn Printing Preferences window appears.
  3. Click the Advanced button.
    The Dell Laser MFP 1600n, 1815dn Advanced Options window appears.
  4. Click to highlight Toner Save.
  5. Click the drop-down list and change it to Off and click OK.
  6. Click OK.
One thing that you mentioned in your post "it takes the printer forever to warm up". The fuser does have to reach operational temperature in order for it to fuse the toner to the page. So it is possible that you are having fuser problems, because of the time it is taking for it to warm up. Another thing that can contribute to the warm up time is not plugging the laser printer directly into a wall outlet. This would be true for any laser printer, not just a Dell laser printer. The low voltage power supply is what works the fuser, along with sensors and other motors in the printer.

Replacing the fuser and or the low voltage power supply in this model of printer is not an easy task. If using a Dell branded toner cartridge and checking the toner saver mode does not fix the issue. Then you would be looking at more expense then the machine would possibly be worth.

May 04, 2009 | Dell 1600n All-In-One Laser Printer

1 Answer

Dell 1600N fuser replacement


1. Power Printer off and disconnect power cord.
2. Remove back cover.
3. Remove rightside cover
3. Disconnect the thermistor cable from the controller card. (rightside)
4. Disconnect the power cable from the power board. (bottom back of the printer)
5. Remove the 4 screws securing the Fuser assembly to the chassis.
6. Pull fuser out towards you.
7. Reverse the previous steps to replace the fuser.

Apr 23, 2009 | Dell 1600n All-In-One Laser Printer

1 Answer

Dell 1600n Display panel freezes soon after power up


it is definately a problem with the startup cycle circut but will need testing to determine the exact cause , it old enough that they may have stopped making parts for it though

Oct 08, 2008 | Dell 1600n All-In-One Laser Printer

1 Answer

"Warming up Please wait" error


Suspect the toner heating element (fuser) may be malfunctioning. Dell may be able to walk you through a "hard reset" that involves opening the front door, turning on an off the printer with certain buttons held down, etc.

Jan 14, 2008 | Dell 1600n All-In-One Laser Printer

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