Question about Xerox Phaser 7750DN Laser Printer

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I just reset my Cyan ATC Sensor Failure on my Xerox 7750DN printer but now it is printing the cyan all blotchy and messed up. (All other colours are good). What do I need to do to fix this?

I was getting an... CYAN - ATC Sensor Failure error on my screen and it would not print anymore. I reset the error code 14 ( 09-382) and now I have the above problem.

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  • Dennis Rivet Jan 07, 2013

    I ordered a new Engine Control Board and will be installing it this week. Hope this resolves problem. Either way I will update! Anyone have more comments or info, please reply!

  • Dennis Rivet Jan 08, 2013

    I changed the Engine Control Board and it is still the same. No Chnage. Any ideas??? HELLLLPPP!

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I just got that error couple of weeks ago on my 7300. I did everything you did and nothing so I ended up visiting www.iteminconline.com. I called them up and they told me to check all the cables on the engine control board 116-1538-00. I made sure the white data cables where connected and still nothing so they recommended me to buy a engine control board. That did the trick. Hopefully this will help you.

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SOURCE: Xerox 6180 MFP's cyan cartridge isn't recognized

There are a number of possible causes of this.

1. Faulty chip on the cartridge, or badly fitted chip.
It will look obviously 'odd' if the chip is incorrectly fitted to such an extent that contact cannot be made between the cartridge chip and the printer. If it looks OK, and you still have the old cartridge, try swapping the chip (complete in its 'carrier') from the new one onto it. If the stays, it's the chip. Confirm this by putting the OLD chip back on the OLD cartridge, and you should get a different message telling you the catridge is empty.

2 Broken cartridge (I've seen quite a few like this - see pictures - the broken one had probably been dropped).

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First picture - undamaged cartridge, note 'lug'.


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Second picture - missing 'lug' (cartridge has probably ben dropped)


There is an opto sensor that checks the presence of the cartridge by 'looking for' this lug. The matching one at the other end of the cartridge has no effect.
It is possible to glue a broken lug back onto the cartridge, if the lug is missing, make something that matches the overall size and profile and glue that on - make sure the glue has set/hardened fully before putting the cartridge into the printer.

3 Faulty circuit board, or sensor in printer.

If you've tried the instructions under 1, and the error message stays the same through all the combinations of OLD chip, OLD cartridge, NEW chip, NEW cartridge, AND 2 is not applicable, this is where you are. It could be the opto sensor that 'looks' for the cartridge - you could 'short' this out (be careful to do this on the correct side of the device). Otherwise its a circuit board problem.

Posted on Apr 15, 2010

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1 Answer

Cyan ATC sensor failure. Error code 14. I replaced developer and did ATC sensor setup. Still having issue.


Yellow ATC Sensor Failure,Code12
Magenta ATC Sensor Failure,Code13
Cyan ATC Sensor Failure,Code14
The ATC Sensor detects an insufficient amount of developer.

Note
If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the Clear Tech Rep Fault (see pg.6-20) is performed.

Troubleshooting Procedure
Step Actions and Questions Yes No 1 Is the problem toner and/or developer empty. Replace the toner or developer. Go to step 2. 2 Is the ATC sensor clean and free of dust, toner or any other contaminates? Go to step3. Clean the ATC sensor. 3 1.Check the ATC sensor wiring harness Yellow=P/J129
Magenta=P/J130 Cyan=P/J131
2.Is the wiring harness or the sensor defective? Replace the ATC Sensor and/or wiring harness. Go to step 4. 4 1.Remove the Rear Cover and RearShield.
2.Measure the voltage at...Yellow=P405B3 Magenta=P405B8 Cyan=P405A10
on the engine control board.
3.Is the voltage between+1 and
+3VDC? Replace the engine control board. Go to step 5. 5 1.Measure the voltage at...Yellow=P405B14 Magenta=P405B11 Cyan=P405A11
on the engine control board.
2.Is the voltage+5VDC? Replace the engine control board. Go to step 6. 6
1.Measure the voltage at...Yellow=P405B2 Magenta=P405B9 Cyan=P405A9
on the engine control board.
2.Is the voltage 0VDC? Replace the engine control board.
Go to step7.
7
1.Remove the Imaging Unit Plate cover.
2.Inspect the wiring harness between the engine control board and the developer housing assembly.
3.Is the wiring harness defective? Replace the wiring harness.
Replace the ATC Sensor.
8
Run approximately 10 pages of the solid fill full-page prints for this color to ensure the error is cleared.


Mar 12, 2015 | Xerox Phaser 7750 Laser Printer

1 Answer

Black atc sensor failure


    The Black ATC sensor detects an insufficient amount of developer. Remove fuser and visualy check black developer housing. Does developer even on magnetic roll?
    If this failure reoccurs three times successively, you will need to clear Tech Rep Fault in service mode.

Nov 20, 2013 | Xerox Phaser 7750DN Laser Printer

1 Answer

Error 14 scanner


That sensor is located in the developer housing. You can either replace the sensor, or replace the developer housing, which comes with the sensor. Either way, you will need to go into diagnostics and set the value of the new ATC sensor after replacement. (You will need to replace the developer powder if you get a new developer housing)

Sep 19, 2013 | Xerox Phaser 7700 Laser Printer

2 Answers

004-354 cyan atc sensor failure


Hi mgordonO:
The problem is with the toner cartridge or the developer. One or both may be empty.

Apr 08, 2009 | Xerox Phaserâ„¢ 7760/DX Laser Printer

1 Answer

Printer shows no errors


Is that problem just for that color black? sounds like you might have a bad image unit or developer. You can start out by switching the image units.. switch the Cyan image unit to the Black and the Black back to the Cyan. Print out a solid color page on the trouble shooting menu. If the Cyan prints out bad you have a bad image unit . If Black still comes out splattered then it might be the developer. We always call this company called www.Iteminc.com for support and parts instead of xerox. They have good techninicians. Almost all my answer have come from here. well good luck

Nov 06, 2008 | Xerox Phaser 7750DN Laser Printer

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