HP4500 PATTERN CARTRIDGE RECOGNITION

  SparkyJack 09:57 06 Aug 13
Locked

In stalled pattern carts into this printerAt first rejected them- but evenually it did print in the scanner mode' However it once mor rejected the black only in the computer mode. Managed o get it going by removing cart- cleaining contacts on cart and chamber But it rejected the black at next attempt to print. Is there a permanent fix?

I gather that Epson now have an 'Allow' button- what about HP?

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