I have replaced the black imaging unit in a phaser 7400 with another one which wasn't brand new. The printer doesn't recognise the fact that a newer imaging unit has been put in and still tells me I have to replace it. How can I get the printer to know that a new one has been installed?
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The Drum Phase Sensor for the named Imaging Unit indicates that the drum is out of position.
Reseat the indicated Imaging Unit. Cycle the printer's power.
after these steps it gets a lot more detailed and you would need to be an experienced tech to understand everything and follow the steps within a timely manner, if reseating the cyan imaging unit doesn't fix the problem, then you will have to call for service.
Did it specify a color you should replace? The machine has 4 image units (CMYK) each with a different part#. Replacing them is easy, no tools required. Open the top door, lift out the entire image unit, move the toner over to the new unit, and lower the image unit. Here are the part #'s for the 7400 for each color. Iteminc.com has these online. C - 108R00647 M - 108R00648 Y - 108R00649 K - 108R00650 Good luck, hope this helps. Thanks for using FixYa!
www.support.xerox.com -phaser 7400- support -fault code-941 says cyan or magenta toner failure, but the solution says to
1. remove & reinsert the cyan or magenta imaging units.
2. replace imaging units .
check out the site to see if helpful
I had replaced the fuser - no improvement. I removed the fuser, imaging unit & transfer roller. CAREFULLY using a vacuum cleaner I cleaned all units and the internals of the printer, rotating the roller on the imaging unit to clean all parts. (Warning Place Imaging unit on paper as toner escapes) After a few test prints the page cleared and duplicate ghosting cleared.
The Phaser 7400 starts at $2,799. see models and prices see cost per print Color: up to 36 ppm Black: up to 40 ppm First-page-out time as fast as 12 seconds 800 MHz PowerPC processor Maximum paper size: 12" x 18" All models come standard with 10/100Base-TX Ethernet connectivity Standard paper input capacity: 800 sheets Maximum paper input capacity: 3,000 sheets Finisher/stacker/stapler/hole puncher capable of handling up to 1,000 sheets Maximum duty cycle up to 150,000 pages per month What comes in the box show/hide contents Color toner cartridges (capacity: 9,000 pages each 1 ) Black toner cartridge (capacity: 15,000 pages 1 ) Imaging units (capacity: 30,000 pages per color 2 ) Waste cartridge (capacity: 30,000 pages 2 ) Fuser (capacity: 100,000 pages 2 ) Transfer unit (capacity: 100,000 pages 2 ) Finisher ships with 5,000 staples Power cord Software and documentation.
Here your problem.
The imaging unit creates the image using an electro-photo process. The imaging unit consists of the following:
■ An OPC Drum
■ Waste Toner Assembly
■ Charge Roller Assembly
9.0 Consumables, Routine Maintenance Items and Options
Item Life based on 5% coverage Part No. Replaceable by
Black Standard Toner Cartridge
Black High capacity
Cyan Standard Toner Cartridge
Cyan High capacity
Yellow Standard Toner Cartridge
Yellow High capacity
Magenta Standard Toner Cartridge
Magenta High capacity
Imaging Unit 50,000 images 108R00593 User replaceable
Transfer Belt 50,000 images 108R00594 User replaceable
500-Sheet Feeder N/A 119650600
Waste Toner Cartridge 3,000 to 5,000 pages (color 5%) 106R00683 User replaceable.
Your imaging unit may have exeeded it life of 50,000 pages and will need to be replaced.
Hope this helps
These units are automatically reset with a fuse. When you put the imaging unit in it will completes a connection which resets the count then simultaniously blows the fuse. Sometimes the fuse blows before the reset, which is what it sounds like happened here. The machine should print normally but the error will persist until the unit is replaced with a new one. Is the the imaging unit an OEM unit or remanufactured? Whoever you got the unit from should replace it as defective free of charge. If it is OEM you might have to go through Xerox to get it replaced. I don't know if the Big Box stores will.
I would suspect you do not have drive to the red imaging unit area. A gear may have fractured, a motor not runing, which would normally give you a fault code, or a clutch is slipping not driving the red components.