HP Officejet Pro 8600: Pro 8600 message printhead missing or not detected or...

Message: Missing print head or undetected.   Following instructions, the same restarted several times... always the same message.  How difficult or replace a part?   Thank you JLVB39


Jean, you're awesome!   I spent hours trying to find it.  Exactly what I needed.  Thank you

Sincere greetings!

Tags: HP Printers

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    Thanks for posting on the HP Forums!

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    Please click on the link below to see a video of how to do to replace the cartridges and print heads.

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    Give Kudos to say 'thank you' by clicking on the "icon shots."

    Click on 'accept as Solution' if it has solved your problem, while others may find it.

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  • OfficeJet Pro 8610: HP OfficeJet Pro all-in-one 8610 do not print each attempt

    HP OfficeJet Pro all-in-One 8610 print intermittently


    This is a request for additional assistance from HP, Apple and AT & T Community Forums

    Machines and affected software:

    Printer HP OfficeJet Pro 8610 e - All - In - One.

    Serial number: CN4CNE3463

    Last updated: 06/09/16 (Version 5.0 (4.1.1 P, S; 5.17.1 F).)

    iMac 21.5 inch late 2009 (daily use)

    Serial number: W89415S5PC

    OS X El Capitan: Version 10.11.6

    MacBook Pro 13.5 inch late 2009 (occasional use)

    Serial number: W8942UW766D

    OS X El Capitan: Version 10.11.6

    MacBook Air 13.5 inches mid 2012 (daily use)

    Serial number: C02HX3ZADRVC

    OS X El Capitan: Version 10.11.6

    Wireless router: AT & T U-verse ARRIS NVG589

    more AT & T Wireless Access Point VEN501 device

    Wireless Router Range Extender: Linksys RE6500

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    HP OfficeJet Pro 8610 had printed out successfully all the three above mentioned computers since the purchase of the 04/04/2015. End of August 2016 he started intermittently refusing to print wireless, sometimes do not connect wireless or holder from job to job.

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    (1) sequential power off and cord power to the router Range Extender, OfficeJet 8610 Pro and iMac and removal after 60 seconds of powering the devices in the same order. Result: would not print.

    (2) off wireless to iMac. IMac connected to a printer via an Ethernet cable. Printer would not print.

    (3) tried to scan the printer for iMac's wireless: would not scan.

    (4) tried Scan via an Ethernet cable from the printer to iMac: Scan worked.

    (5) connecting iMac via an Ethernet cable to the router and printing system reset iMac to remove the printer and then added printer as directed by its name: HP OfficeJet Pro 8610 [455491]. The results have been mixed:

    (a) wireless to iMac to the router and Ethernet cable router for printer: test page printed.

    (b) the iMac to the router and wireless router for printer: test page will not print.

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    AT & T: recommended

    (1) make a new Setup wireless printing HP itself using my secure wireless network name and password, and then perform a reboot of the router. Between the two actions (new set-up and router reboot), the printer starts and print a previously submitted test page. To confirm that the printer was actually working, I turned off the printer, waited, he turned back and tried to print Test page: the page not print.

    (2) AT & T then told me to do a new manual of the printer setting. Just as I got Set Up on the screen of the printer, the printer prints the Test Page.

    AT & T told me that the printer should work fine now.

    Once I have shut down my system and restarted the 09/09/16, I found that I could not print anyway:

    Wireless to the router for printer

    Wireless to the router and Ethernet cable for printer

    Ethernet cable to the router and wireless to a printer

    Ethernet cable for printer

    Another experiment on 11/09/16 led to erratic printing depends on the original machine:

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    a. the first pages all State: %! PS-Adobe-3, 0% APL_DCS_Encodiong: UFT8% APLProducer: (Version 10.11.6 (Build 15 1)

    b. human beings second page with: 14 start/FontName dict / TJOLUV+ def Cambria

    Page 2 on three subsequent print reading attempts the same as above, except for a different set of letters before "+ Cambria". A UAXKPA, a JJCFBS, and the third is WOKHHG.

    2. yet, when I tried to print the Test Page of the MacBook Air and MacBook Pro wireless, printing is successful (i.e., the test page prints and do not print pages blank and coded.

    I'm sorely need a remedy to this overall situation.

    • What is originally intermittently, the HP printer?
    • What is originally a wireless printing and Ethernet to vary?
    • What is causing the iMac to print Virgin and code pages when the MacBook Air and MacBook Pro both print pages "regular"?
    • The question one demanding a new router?
    • DOE the question indicates the need to uninstall the printer and then perform a reinstall?
    • With all machine software updates could be software problems cross machine?

    Link to the firmware.

  • HP Officejet Pro 6830: Officejet Pro 6830 high noise acute when not in use

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