Question about Xerox Phaser 7700 Laser Printer

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Phaser 7700 Error 54

Quick question. To replace the fuser fan motor you need to remove the top printer cover. It looks like this is all one piece. I can find one screw that is above the toner cartridges on the front of the machine. After removing this I can still not remove the top cover. What else do I need to do to remove the cover? Thanks.

David

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  • barratt5827 Sep 30, 2008

    The fan unit kept failing and the phaser unit overheating.

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You need to remove both the rear and top cover to access that fan easily.. There are some screws on the right side of the machine for that top cover. There are 4 or 5 in the back of the machine.You may have to remove the lower right cover to access the screws to the top.
They are interlocking covers, some dependant on removing others.

Posted on Sep 10, 2008

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I have a phaser 7700dn and the error code 44 has come up fuser sub lamp failure


THIS IS THE TEXT FROM THE PHASER 7700 SERVICE MANUAL, HOWEVER, SEE MY COMMENTS AT THE END OF THE QUOTE.

11 06-372 ERROR 11 LASER UNIT POLYGON MOTOR FAILURE
Note
If this failure reoccurs three times successively, an Engine NVRAM
value is set preventing further printer use until the Clear Tech Rep
Fault, Clear <09-380 ~ 09-383> is run.
Remove Rear Cover (RRP 1, on page 7-154).
Disconnect P400 (see figure page 2-46) and P401 (see figure page 2-46) on the Engine Control
Board.
Inspect both connectors to determine they are fully engaged as a unit. Re-engage, if necessary.
Note The two connectors can NOT properly seat into their socket(s)
unless they are both engaged as a unit. Ensure there is no
separation.
Carefully reinsert the plugs into their joint socket and FIRMLY seat them.
Replace the Laser Unit (RRP 38, on page 7-200).
Note Whenever the mounting screws for the Laser Unit have been
loosened, it is necessary to recalibrate the unit by performing the
RegiCon Adjustment Procedure beginning on page 4-124.
If the problem persists, replace the Engine Control Board (RRP 42, on page 7-206).

It has been my experience that 90% of the time the scanner motor (polygon motor) has gone bad. I have repaired many 7700 printers with this error by replacing the laser scanner. The part can be purchased at: http://www.lpscomputer.com/p-3060-1-116-1110-00-laser-unit.aspx

Jun 02, 2010 | Xerox Phaser 7700 Laser Printer

3 Answers

Xerox 7750 fan failure code


That is the fuser fan either running slow or stalled. It is located on the back, looking from the back on the upper left. You will see the slotted opening.
You have to remove the side covers and the top cover to access it, Sometimes taking off the silver sticker in the middle, removing the rubber cap and oiling it will help.
To buy one. Go onto google and search for " the parts drop". Call them and ask for Britt or Joe, they will know what fan and be fair on a price.
Taking your time it should take half an hour to an hour to replace. Not hard, just take your time and make sure you note how you disassemble. You will be fine.

Oct 30, 2008 | Xerox Phaser 7750DN Laser Printer

2 Answers

Xerox phaser 7700 error 11


man...

listen .. you is with error

go listen cradle of filth the heavy metal :)

good bye

see you later

Oct 16, 2008 | Office Equipment & Supplies

3 Answers

I keep getting Error code 48 Fan Failure Lock on our Xerox Phaser 7750


That is the fuser fan. It is either running slow or stalled.
You have to remove the rear and top cover to access it. It is located on the upper right back side of the machine looking from the rear.
You can remove the fan, peel off the silver label then remove the small rubber cap in the middle. Behind that rubber cap is the fan bearing, It is dirty and needs to be cleaned.
You can flush it with alcohol then add a highly refined oil to that bearing, Replace the rubber cap and then clean the outside with alcohol, then put a small piece of tape over the rubber cap to keep it in place. Most of the time. I would say 75 % of the time that will fix the problem. If it doesn't fix it in the long term you wol have to replace the fan. Don't call Xerox directly, Go onto google and look up a business called " the parts drop". Call them and ask for Britt or Joe> I dont work for them, but have purchased parts from them for years. They are reliable, fairly priced and honest. Great people to do business with.

Sep 26, 2008 | Xerox Office Equipment & Supplies

2 Answers

Phaser 7750DN fan failure Error Code 48


Yep, the fuser fan is he one that fails. You can remove the top and rear covers and then carefully remove the shrouding and whatever else makes it easy to get at.
What you can do if you dont have a fan handy is, remove the silver label on the fan. Behind that label there is a black rubber cap over the bearing in the fan. You can flush that bearing out with alcohol several times and then use a very highly refined oil , to lubricate it. Just pretty much fill up that little hole around the bearing, put the rubber cap back on and then wipe it clean with alcohol and tape it back on.
If you need a fan, Go onto google. Type in ( the parts drop) not parenthesise.and call them, Ask for Britt, I dont work for them, but they are 100 percent professional and will charge you a fair price.
Cleaning and lubing will fix it about 60 percent of the time.

Sep 19, 2008 | Xerox Phaser 7750DN Laser Printer

2 Answers

Fan Failure Error 54


1 of 2 things.
You need to clean or replace the fan.
You have to remove the back, right side and top cover to access that fan.It is near the back just behind the fuser module.
It could also be the low voltage power supply fan. Most likely the fuser fan.
Once you remove the fan, there is a label on it, remove the label, There is a rubber plug behind the label, remove the plug and drip some lubricant into the fan. Reassembly and it should be ok.
I would recommend replacing the defective fan though.
Here is a very reliable part source.
https://www.partsdrop.com/store/

If you call ask for Britt and specify the model number and that you need a fuser fan and probably order a Power supply fan, Neither are very expensive.
Have both on hand to be 100 percent sure the problem is resolved, But its a 90 percent fuser fan failure code. It operated in a heated area and can dry out faster.



Mar 27, 2008 | Xerox Phaser 7700 Laser Printer

2 Answers

Phaser 7700 Accumulator Belt Replaced, upon startup there is an error


POSSIBILITIES

Problem:
1st BTR Contact Failure or 1st BTR Retract Failure Message is displayed after replacing the Accumulator Belt Cause:
A Phaser 7700 Accumulator Belt was installed in a Phaser 7750. The Phaser 7700 Accumulator Belt does not have retractable 1st Bias Transfer Rollers; so these errors will be reported if one is installed in a Phaser 7750 printer. Solution: thumbsup.gif Fixed! thumbsdn.gif Did not fix. Remove the Phaser 7700 Accumulator Belt and install a Phaser 7750 Accumulator Belt. TRY FIRST (Solutions without parts):
1. Check that all shipping restraits have been removed.



TROUBLESHOOTING TIPS AND HINTS:
1. Test the 1st BTR motor in diagnostics to verify proper operation. 2. Test the 1st BTR sensor in diagnostics, then run the 1st BTR motor test and recheck the 1st BTR sensor. Sensor state should alternate between L and H. The sensor is part of the accumulator belt.

PARTS:Parts are listed in the order of highest probability for repair.
NUMBER QTY DESCRIPTION
116177400 1 *KIT IBT - UNIT



REPAIR/INSPECT/PREVENT PROCEDURE:
1. Clean feed rollers, exit rollers and guides; replace if
necessary.
2. Clean feed rollers and exit rollers only when dust or
debris is visible.
3. Remove and clean all paper trays.
4. Clean the Laser Scanner Unit window.
5. Inspect the image density sensors; clean if necessary.
6. Inspect the accumulator belt home sensor; clean if
necessary.
7. Inspect the fuser assembly; clean if necessary.
8. Print the Error Log, diagnose and repair any problems as
indicated.
9. Print the Usage Profile, diagnose and repair any
problems as indicated.
10. Check version of all installed firmware; as
appropriate, install the latest version of firmware.
11. Check cleanliness of interior and exterior of printer,
including fans; if necessary, clean (dust or vacuum) these
areas.
Problem:
1st BTR Contact Failure or 1st BTR Retract Failure Message is displayed after replacing the Accumulator Belt

Jan 25, 2008 | Tektronix Phaser 860DP Thermal Printer

1 Answer

Phaser 7700GX Color Printer prints wrinkled pages!


when this occurs the problem is most of the time with the transport roller, fuser / fixing assembly roller.question is the image still toner only and not fused to the paper.
In these areas there is offen a jammed and not removed piece of paper dislodged in the paper path or jammed in the fuser or the transfer rollers teflon coating has perished inspect the areas carefully and remove any found if the unit still is faulty (fanning of paper the fuser would be the first to be replaced are past there usable life) if so then Post a reply

Sep 10, 2007 | Xerox Phaser 7700 Laser Printer

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