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Cannot copy the message is 84 replace black pc unit

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Posted on Jan 02, 2017

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Replace pc unit problem on Lexmark W840 Laser Printer


Here is an excerpt I found from the W840 user manual. Looks like you need to change the photoconductor kit. Here is the link for the user manual: images.lexmark.com/publications/pdfs/w840/eng/ug.pdf
To ensure print quality and to avoid damage to the printer, the printer stops operating after the photoconductor kit has reached approximately 60,000 pages (Letter/A4). The message 84 Replace PC Unit is displayed when the printer reaches this point. If the Toner Alarm setting is set to Single or Continuous (default is Off), the printer automatically notifies you before the photoconductor reaches this point and displays the message 84 PC Unit Life Warning. To avoid having the printer stop operating, replace the photoconductor kit when you first receive the 84 PC Unit Life Warning message. Once the photoconductor kit has been replaced, normal printer operation resumes

Apr 11, 2011 | Lexmark W840 Laser Printer

1 Answer

We are receiving the error message "84 oc life exhausted". What can we do to solve?


84 PC Life Exhausted indicates that the photoconductor unit has reached its functional life. The photoconductor kit will need to be replaced. The printer will not function so long as the Exhausted message remains on the display. The only way to clear the message is to install a new photoconductor. After replacing the photoconductor unit, you need to manually reset the pc page counter as well. Thank you for choosing Lexmark.

Sep 01, 2010 | Lexmark Optra SC 1275 Laser Printer

1 Answer

Having sharp Photo copy, Model-AR121. It is not working. Pls. provide me service center.


Sharp AR-121 code


CC Original not detected E1 00 Lost communication with the Sorter 10 Lost communication with the Sorter 11 ASIC error 12 Image Processing Unit error 13 ROM error 14 NVRAM error 15 Page memory fault 16 SIMM not present or installed incorectly 17 Page rotation error in RAM 80 Electronic sort board error 81 82 84 88 E7 03 Lens position error 04 White level calibration error 05 Black level calibration error 12 CCD calibration error F1 06 Shift sort motor overloaded F5 02 Exposure lamp blown F6 00 Fax board problems 10 80 81 82 84 88 F9 00 Printer board problems 10 80 81 82 84 88 H2 00 Fusing unit temperature error H3 00 Overheated fusing unit H4 00 The fusing unit doesn't heat up L1 00 Scanner position error L3 00 Scanner position error L4 01 Main motor drive overloaded 10 Separation motor overloaded L6 10 Polygon mirror motor not up to speed L8 01 Zero cross signal error U2 04 EPROM error 11 Main counter error 12 EPROM error U3 29 Mirror position error U9 00 Op panel problem 81 82 84 88 U95 Firmware error

Apr 08, 2009 | Sharp Office Equipment & Supplies

1 Answer

Error inkcartridge


Error message: No color or black ink cartridge-->Press the Color Copy button to install a new ink cartridge.
Solution: The indicated ink cartridge is not installed. Please install the necessary cartridge(s).

Error message: Color or black ink out -- >Press the Color Copy button to begin replacing the ink cartridge.
Solution: The indicated ink cartridge is out of ink. You will need to replace the necessary ink cartridge(s).


Error Message: Ink cartridge error -- > Press the Color Copy button to begin replacing the ink cartridge.
Solution: There is something wrong with the ink cartridge. Make sure the cartridge is genuine Epson ink. Also, try reseating the cartridge (remove it, and then reinstall it).

Error Message: Paper jam or misfeed -- > Press the Color Copy button and clear the paper jam by hand if necessary.
Solution: Paper is jammed. Check for any obstructions under the unit's cover, and in the paper tray.

Error Message: Paper out -- > Load paper in the sheet feeder and press the Color Copy button.
Solution: Load paper in the sheet feeder, and then press the Color Copy button to continue printing.

Error Message: Scanner unit open -- > close the scanner unit
Solution: Carefully close the scanner and press it down until it clicks securely into place.

Error Message: Scanner error -- > See your documentation and call service if necessary.
Solution: Press the ON button to turn off the Epson Stylus CX3200. Unlock the transportation lock, if necessary. If it is already unlocked, toggle the lock back and forth, 5-10 times. Turn on your Stylus CX3200 again.


Error Message: Printer error -- > See your documentation and call service if necessary.
Solution: Press the ON button to turn off the Epson Stylus CX3200. Disconnect it from power, and then reconnect it to power. Press the ON button to turn on the Stylus CX3200

Nov 28, 2008 | Epson Stylus CX3200 All-In-One InkJet...

1 Answer

84 yellow PC unit missing (all 4 showing missing)


I had the same problem here and it turned out that I closed the front door of the printer in the wrong way. It is tempting to close the black inner door by hand at first and then close the outer (beige) door. The RIGHT way is to close the beige door and let the inner door being automatically pushed in place by this procedure. All "missing PC unit" warnings disappeared immediately after this. I hope this solves it for you as well,

Sep 10, 2008 | Lexmark E342n Laser Printer

1 Answer

POOR COPY QUALITY


Here is the scoop! There are two (2) components to the fax machine, one is the scanner portion which is located just past where the paper you are copying or faxing enters the machine, separate the two sides and access the imaging plate, clean this area with denatured alcohol.
Step two is to clean the toner and drum unit, get the mirror at the back of the toner and under the toner. If after this you are still getting lines on the prints you will have to replace the drum unit KX FA-84 about $85. Happy faxing, Ken

May 15, 2008 | Office Equipment & Supplies

3 Answers

Lexmark printer error at power up


pc stands for photoconductor or print cartridge or in layman's term toner

the toner has reached its expected life or toner has ran out

Oct 03, 2007 | Lexmark Optra SC 1275 Laser Printer

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