My printer was woking fine, the prints looked just as good as when I first puchsed approx 18 months ago. Then out of the blue a message "replace photoconductor". Just before that a message "The black toner needs replacing" came up.
I dont want to replace the conductor until I see degrading of print quality. Is there a way I can accept the message but say no thanks not quite yet!
The PCU has a kill chip in it. You'll find it on the side behind a black cover the size of a penny. There's a few people who can supply you with a new chip - I got mine from a guy in HongKong. The bill is about 30 pounds sterling.
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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
If a consumable product reaches the end of its service life, the product stops printing and displays the following messages in the LCD panel or the window of EPSON Status Monitor 3. When this happens, the product cannot resume printing until you replace the depleted consumable products.
The photoconductor unit comes to the end of its service life. Even if this message is displayed in the LCD panel, you can continue to print for a short time by pressing the B&W Start or Color Start button on the control panel. The message in the LCD panel changes from Replace Photoconductor to Worn Photoconductor.
According to Lexmark E450DN service manual; 1. Turn off the printer. 2. Press and hold Checkmark and Right Arrow buttons. 3. Turn on the printer. 4. Release the buttons when 'Performing Self Test' displays. The message CONFIG MENU displays on top line of operator panel. 5. Scroll down and select 'Reset PC Cnt.'
I changed out our black photoconductor unit #165 and it solved the problem. Even though the error message did not say that the photoconductor needed changed out, it had been eight months since the last replacement. I hope this helps!
Turn printer off and remove photoconductor unit, close covers and turn printer back on without photoconductor, error will appear that you need to install photoconductor, install photoconductor and wait til it calibrates, if same error appears photoconductor is a consumable part you will have to replace it then.
no this is not a photoconductor problem. your fuser unit is faulty, it is not getting up to the correct temprature to "fuse" the toner to the paper hence why you are able towipe the toner from the page.
Hope this helps