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None of the test prints or start up page or other print options will print. Some characters can be found on a page but not much of anything. will not print from a PC. Printhead worked well still works well in substitute unit. A second print head in this unit duplicates the same problem. Print...

Have an 8200 which at startup gets to the printhead test, then before completion recycles itself. I've substituted the printhead and power supply and believe the power control board is OK. I don't have a main board on hand to swap out but I must suspect that could be the cause of the problem...

Have exchanged/replaced many Phaser 840/850 printheads but I have a 8200 unit which I cannot break loose, lift and remove. Any suggestions or techniques would be appreciated.

Replaced the upper feed assembly due to a previous error code and now I receive the message at turn on: "Maintenance Tray is Missing - Open Front Cover and Insert Maintenance Tray". Have exchanged the tray with a good working unit, have replaced the left and right guides and made a visual...

Have fought this and can't seem to run the solution down. Error codes states these solutions and I have exchanged each item out for a known working one each time. Someone out there must have another idea I can try. By the book I've 1. Replaced the drum maintenance clutch 2. Reset the NVRAM 3...

On power up receive the message "Maintenance drawer is missing. Open front cover and insert maintenance drawer A" There is no problem removing the drawer and have substituted with known good replacements but same message appears. Visual inspection of both the left and right guides appears they...

With no previous indication of a problem I'm experiencing difficulty removing the maintenance drawer. These things can be pickie from time to time but I've usually gotten them out without breaking anything. I am aware of rotating the clutch located near the top that moves the cap assy up and...

Just started jamming on everypage from the top tray. No other tray in use. Error is OPEN FRONT COVER TO CLEAR. The top of the paper leaves the paper tray then feeds and sticks at just about 1/2 inch between and out of the two lower feed rollers and jams on every page. Have reviewed these tips...

I need to change out the upper feed roller assembly in a Phaser 840 but try as I might I am having difficulty removing the upper feed roller electric cluth at the end of the upper feed roller shaft. This would be step 4 in the disassembly instructions for the upper feed roller assembly...

I've got to get a few repair parts for bothe the Phaser 840 and 850's and of course I can go to a Xerox authorizied servicer but are they responsible alternatives that might save my company a little money? Another question just as important might be: is there a source for a parts price list for...

The printer duplicates the printed pages both from the front panel or from an application. The panel says "Printing, please wait" then "Warming UP" then "Processing Data" and prints sheet #1. This is followed by "Warming UP", "Processing Data" and a print of sheet #2. I can find the fault...

The instructions to run the PC-based Diagnostics (uner Starting Up The Diagnostics) refers to a special diagnostic 5 pin serial port adapter which connects to a null port adapter which would then connect to the PC. I would like to acquire the special 5 pin diagnostic adapter as mentioned in the...

Have an 850 that just started giving me trouble. After printing a page either from the front panel or from a program the printer then goes into a "Warming Up" mode and ultimates duplicates the same page. From researching past threads I would like to explore replacing the halogen bults that they...

Lost a print head in my Phaser 850 and purchased one for replacement. Thought I could do it myself but in following the Dissambly guide I get to the point that I cannot lift it from it's two retaining connections. Easily removed the data harness, wiring harness and gound leads. Loosened...