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  1. PanamonC

    Phaser 850 freezing

    Not sure what's causing you to lock up but I'm with you on the the fact that cleaning cycles are wasteful. Here are a couple of things to try. Wake the printer up if it is in Standby Mode and let it warm up to READY or until you get an error. Reset the printer from the hidden Troubleshooting...
  2. PanamonC

    Phaser 850 Front panel "ABOUT THIS JOB"

    It's an oldie but goodie, got it in 1999. I keep finding creative ways to keep the thing running. It is like 50% epoxy from having had to rebuild the crap plastic parts they chose to build much of the paper path from but it is still going strong. In XP I used IPP which gave me more info than...
  3. PanamonC

    Phaser 850 Front panel "ABOUT THIS JOB"

    I can't seem to get the printer to show me what document is printing when I select ABOUT THIS JOB from the front panel. It used to tell me the name of the document or web address of what I was printing but now it just says "RECIEVING AppSocket". In PhaserLink Job Accounting only the ip...
  4. PanamonC

    Repairing a Phaser 850 printhead (jet stack) thermistor. Is it doable?

    Well, that is certainly something! Where did you find the markings that allowed you to identify the heater? Thanks, Joe.
  5. PanamonC

    Repairing a Phaser 850 printhead (jet stack) thermistor. Is it doable?

    Ferengie, There is a picture of the the silicone coverd screws on page 3-108 of the manual where it compares a good cap/wipe/purge vs a bad one. At the bottom of each picture you will see the 5 hidden screws along the bottom of the head. They show up purplish/gray in the top picture and are...
  6. PanamonC

    Repairing a Phaser 850 printhead (jet stack) thermistor. Is it doable?

    Thanks for your help ferengie. Like I said not easy to get to and is hidden from view. The "Printhead Drive Board" is not it. However, the jet stack, where the ink shoots out, is the shiny silver plate on the opposite side of the ink reservoirs. It is connected to the Printhead Drive Board by...
  7. PanamonC

    Phaser 850 Drum Temp Sensor

    Hey drosen, did you get a chance to clean the encoder sensor? Is your problem solved? Just Curious.
  8. PanamonC

    Repairing a Phaser 850 printhead (jet stack) thermistor. Is it doable?

    I am sorry, but I do not understand what you mean by "which print the transistor is" Are you asking me what circuit board the thermistor is located on? If so, it is on the back of the printhead jet stack itself. The back of the jet stack is normally hidden from view. To get to it you have to...
  9. PanamonC

    Repairing a Phaser 850 printhead (jet stack) thermistor. Is it doable?

    The thermistor is embedded in epoxy. There is no way to read the markings on it, if any. Thanks, Joe.
  10. PanamonC

    Phaser 850 Drum Temp Sensor

    I think you are talking about the Drum position sensor. This is the black assembly on the left side of the printer which attaches to the drum hub, has a sensor that reads the Drum position encoder wheel and is behind the clear plastic window. Is this it? Thanks, Joe.
  11. PanamonC

    Phaser 840 Counter reset tool

    There was a press release mentioned on tomshardware a long time ago that spoke of such a tool, but I searched and never found it or even anyone that offers the service. Here is the link. http://www.tomshardware.co.uk/forum/page-18599_29_0.html As far as I can figure, the prints will tell you...
  12. PanamonC

    Phaser 850 Drum Temp Sensor

    Michael, There is a sensor actually inside the drum? I know of the "Drum Temperature sensor assembly" that sits on the top/left of the drum. But that one is on the outside. Where exactly is the sensor you are referring to and how do you access it? Is it listed in the repair manual Table 8-8...
  13. PanamonC

    Phaser 850 Drum Temp Sensor

    That error is "The left jet stack jeater is nit heating at all, or is heating too slowly. Ensure the printer is not located next to an air-conditioning duct. Check that the printhead-to-drum gap is not too close (the drum can act as a heat sink) Inspect the printer wiring. Replace the...
  14. PanamonC

    Repairing a Phaser 850 printhead (jet stack) thermistor. Is it doable?

    I have a Phaser 850 and the left jet stack thermistor is bad. I have disassembled the head and found where the thermistors are embedded and where the signal emerges on the ribbon cable. Does anyone know what brand (prob Tektronix proprietary) and type of thermistor is used and where one might...
  15. PanamonC

    Phaser 850 sudenly cleaning on every warm up

    The Printer finally tipped its hand. After disassembling it and finding nothing unusual, I put it all back together and it now began to give me a 13001.40 error (The thermistor in the left jet stack appears to be open...) So I took it apart again and checked if for myself with an ohm meter and...
  16. PanamonC

    Phaser 850 sudenly cleaning on every warm up

    Michael52x Thanks for sticking with this problem. I really appreciate your input. The lamps are good. They come on brightly when coming out of standby and decrease in intensity as the printer warms up. You can tell they have heated the drum sufficiently because the cooling fan begins to blow...
  17. PanamonC

    Phaser 850 sudenly cleaning on every warm up

    Well, maybe it is not the fan so much after all. It is doing it again with no air-flow past it. It cleaned a lot less for a while but now we are back to every time it warms up. The weather got colder here in Las Vegas, so I am again thinking that there are heaters that are failing to keep its...
  18. PanamonC

    Phaser 850 sudenly cleaning on every warm up

    The printer for years has always been on its own APC1400 ups. It is connected to a ups for that very reason to prevent resets if power goes out. The problem is not that it restarts and invokes a cleaning cycle it's that on warm ups from standby it cleans much more than it ever had before. Thanks.
  19. PanamonC

    Phaser 850 sudenly cleaning on every warm up

    Looks like it could be a fan that was blowing in the vicinity of the printer. Fan was never pointed directly at printer as far as I can tell. Suddenly the behavior stopped. The only thing that had changed, that was obvious, was that the fan was no longer being used as much since the weather...
  20. PanamonC

    860 ink in an 8550

    Sell your 860 ink on ebaY. There is no shortage of people looking to buy your leftovers. Then use that money to buy the proper ink for your printer.

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