Question about HP LaserJet 4 plus Printer

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'14 no toner cart' problem to be solve

My printer keeps telling me '14 no toner cart' even if there is a full one inside. Is anyone able to help me on that?

Thank you

Pascal

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  • Anonymous Oct 23, 2008

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It has a chip on the toner cartridge, chip is bad. replace
Sometimes the sensor in the machine goes bad. replace

Posted on Aug 08, 2008

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I could not able to print a page in my printer

Posted on Oct 23, 2008

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2 Answers

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As long as the toner sensor senses it is empty, it will keep telling this. Or the sensor is defect, or a cable came lose, or perhaps you only have to shake the toner cartridge a few times. Be aware it is open now.

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RESET TONER COUNTER


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loo like you replaced the cyan toner cart.. (with the machine powered off and unplugged) take a look inside the machine with the cyan toner cart out.. make sure that nothing is blocking the metal contacts or if there are dirty contacts. perhaps there is a piece of debris that is blocking the connection of the new toner cart to the printer. another thing to check is the contacts on the toner cart its self.

Jan 02, 2014 | Printers & Copiers

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Just purchased a used HP LaserJet 4 Plus -- when turned on and installed it is showing 14 no EP CART -- we do not use cartridges so need to reset to default settings. Tried Power On and holding online but...


Ensure that the Toner Cartridge is installed correctly (fully
seated into the printer). Try a new Toner Cartridge. If the
problem continues, try this

14 NO EP CART Message

The printer detects the presence of the Toner Cartridge and the
level of toner present in the cartridge through the condition of the
ANTIN signal. The ANTIN signal becomes part of the serial data
stream used to communicate with the DC Controller (see Figure
7-5 for cartridge components). Troubleshoot the 14 NO EP CART
(or INSTALL TONER CARTRIDGE) message as follows:
1 Reseat the Toner Cartridge. Try a new or known good Toner
Cartridge.
2 Check the High Voltage Contacts for damage. If the contacts
are dirty or damaged, clean the contacts after the repair.
3 Replace the High Voltage Power Supply.
4 Check and reseat the HVPS cable.
5 Replace the DC Controller.

Jul 05, 2011 | Printers & Copiers

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when top door , and check for the sensor switch

Jun 17, 2010 | HP LaserJet 4 plus Printer

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Have you tried a different toner cart? Common problem with reman carts. If that fails again, check the silver spring loaded contacts inside on the left and right that contacts the toner cart. Make sure they are not stuck inside the frame and that they are springy.

Aug 04, 2009 | HP LaserJet 5200tn Printer

1 Answer

Error code 14 "no tuner cart"


14 NO EP CART Message
The printer detects the presence of the Toner Cartridge and the
level of toner present in the cartridge through the condition of the
ANTIN signal. The ANTIN signal becomes part of the serial data
stream used to communicate with the DC Controller (see Figure
7-5 for cartridge components). Troubleshoot the 14 NO EP CART
(or INSTALL TONER CARTRIDGE) message as follows:
1 reseat the Toner Cartridge. Try a new or known good Toner
Cartridge.
2 Check the High Voltage Contacts for damage. If the contacts
are dirty or damaged, clean the contacts after the repair.
3 Replace the High Voltage Power Supply.
4 Check and reseat the HVPS cable.
5 Replace the DC Controller

May 06, 2009 | HP LaserJet 4 plus Printer

1 Answer

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Turn off printer. Reseat all the toner cartridges. Power on printer .. If still a problem turn off and remove all cartiridges and use vacume to remove any excess toner. Use canned air to clean any sensors. Turn the yellow carts gears and see if you have any binds. replace all carts and power on.Problem should be solved. If not, try a different yellow cart.

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The developer should probably be changed in it. the cartridge should be inspected as well. Was there any toner spills?

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