Question about Xerox Phaser 7750DN Laser Printer

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Error code 7-402

I have a Xerox 7750 Color Printer (Tektronix Phaser 7750) and the machine has a failure error code of 7-402. I tried to get it running and it keeps giving the same code after rebooting. Any ideas?

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Error codes 7-401 to 7-404 are life end for the tray rollers. If no jamming probs then enter diags mode (Back and'i' buttons and switch on) scroll down to NVRAM access and select. find CRU counters and select, clear each tray counter and then exit.

Posted on Jun 08, 2009

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Tray 2 rollers near end of life. Buy a new set of rollers 600K78460, and then reset the counter in the diags.
Some 7750's can't be reset, in which case you need to buy an Engine Controller Board 116-1811-00

Whit :)

Posted on Jul 31, 2009

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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

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That normally indicated a heating issue with the print head. Could be the printhead itself or an issue with the electronics module providing the source voltage for that heater

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PHASER 8500DN ERROR CODE: 09,038,46.8515


That is a black ink stick count failure.
It is not seeing the black ink stick.
See if a stick is broken or not in place. One may be twisted or just jammed.
Outside chance you would need an ink loader because the sensor is not detecting the ink
Check the black sticks see if you can clear it by moving them around or sliding them up and out and reloading.

Mar 08, 2008 | Xerox Phaser 8500/DN Printer

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PRINTING ERROR


> Home > Support & Drivers > Knowledge Base

Solution --> ERROR 0082" name="Note" /> Phaser 790 / DocuColor 2006 Printer's: Cancel print job and cycle the printer's power

  • On the printer's Control Panel, press the Cancel Key (12 KB).
    Note: The READY message may only appear briefly. You may need to keep repeatedly pushing the CANCEL key.
  • If the error message persists, turn the printer off for at least 30 seconds and remove the computer interface to the printer (17 KB) before turning the printer back on.
  • Use the menu keys to perform a front panel reset (under RESETS menu).
  • If the printer redisplays the error message upon reboot, a file is likely STUCK at the front of the print queue. Use the front panel RESETS menu to CLEAR LOGS AND QUEUES, which will delete all print jobs in the printer's disk spool.
    Note: The READY message may only appear briefly. You may need to keep repeatedly pushing the MENU key to gain access to the front panel menu.
  • If the front panel menus can not be accessed turn the printer off for 30 seconds and then turn the printer back on.
  • If it is known which print job was last sent to the printer, try to reprint the last job spooled, which may be the cause of the error. Step 4 on clearing logs and queues may need to be repeated to eliminate the crashing job.
Note: Most XX82 or XX1E front panel error messages are NOT hardware related, but caused by a specific print job or application.

Mar 04, 2008 | Tektronix Phaser 860DP Thermal Printer

2 Answers

Phaser 850


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Our Flat Rates:
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MODEL: Tektronix Phaser 850 Color Printer Repair - $159
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MODEL: Xerox Phaser 8200 Color Printer Repair - $159
MODEL: Xerox Phaser 8400 Color Printer Repair - $179
MODEL: Xerox Phaser 8500 Color Printer Repair - $199
MODEL: Xerox Phaser 7700 Color Printer Repair - $209
MODEL: Xerox Phaser 7750 Color Printer Repair - $249
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MODEL: Xerox Phaser 790 Color Printer Repair - $179

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Feb 08, 2008 | Tektronix Phaser 860DP Thermal 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

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3 Answers

Code 09,038.46:4776 whats wrong


that code indicates most likely you have an ink stick in crooked, a broken ink stick in or added pieces of an ink stick.
That code is showing that you most likely have an ink stick loaded incorrectly or it broke.

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2 Answers

Phaser 860 error code 07.003.45:116163


It is a print head tilt error.
Most likely ink is in the stainless steel pivot block at the bottom of the print head.
Also the printer could have been unplugged and the cleaning blade is stuck to the print head.
Or a cable is binding the print head movement.

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2 Answers

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Most likely a bad print heat. One of the ink heaters is overheating.

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