20 Most Recent HP DESIGNJET T770 Printer Questions & Answers


A 59.2:00 error says that a reused part has been installed.
If you paid for a NEW formatter get your money back and shop somewhere else.
If you paid for a repaired/reconditioned part, it won't work.
You need a NEW formatter.

HP DESIGNJET... • Answered on Mar 07, 2021


error 22.2.10 on t770 what is the problem

HP DESIGNJET... • Answered on Feb 22, 2017


Carriage PCA has failed and will require replacement. You could also check all the cabling to ensure connections are seated properly.

HP DESIGNJET... • Answered on Aug 28, 2015


Sounds like it's been switched from "draft" to "quality" mode. There should be a menu option on the plotter to allow you to change that. You should be able to override that setting in your software, too.

HP DESIGNJET... • Answered on May 22, 2015


47 errors are related to the starwheel motor. This is the motor that lifts the bar that the paper passes under, it has little star shapped wheels on it. If you open the main window and look down you will see it. Make sure it is moving properly and there is no paper jammed under it.

HP DESIGNJET... • Answered on Feb 21, 2015


This is problem with the starwheel assembly, make sure that there is no paper stuck under it and restricting movement. The starwheel is the metal bar and little spiky metal wheels that guide the paper. 25330474-yftdmoq4g2t0c1q13zfqo2ki-2-0.jpg

HP DESIGNJET... • Answered on Dec 20, 2014


Actually it has to do with a "dirty' encoder strip. The carriage cannot read the strip due to a coating of ink-over spray from time. My suggestion it to call in a Service professional who is familiar in cleaning Wide Format printers. Other areas also are in need of cleaning, lubrication as well. Timing is "Everything" on these babies 60752e95-9503-4f40-8e0c-e67a2ad6b300.jpg

HP DESIGNJET... • Answered on Jul 26, 2014


h20564.www2.hp.com/.../hpsc/.../docDisplay?.

HP DESIGNJET... • Answered on Jul 26, 2014


With II flashing, that's a harddrive problem. With III flashing, that's a Main board or Power Supply. You need a tech

HP DESIGNJET... • Answered on Jul 19, 2014


Here is a service manual that might help you. http://www.partsnow.com/docs/service-manuals/hp-designjet-t770-t1200-service-manual.pdf

HP DESIGNJET... • Answered on Jun 08, 2014


I could't understand the question exactly..I will try my level best, it may helps you.. T770 plotter having three media paths.. 1. Sheet path 2. Roll 1 3. Roll 2.. After initializing, printer will ask to load the media, you have to specify the desired media selection ie sheet, Roll1, Roll2.. If U R selected roll one, message appears on screen "Open Roll 1 cover", you have to follow the message, once the paper is loaded in the path, printer has to detect the paper,it has to pull inside with the help of the roll feed motor.. In this case If UR selected Roll 1 on printer screen & inserted Roll 2 media, printer will runs Roll 1 motor, not roll 2 motor.. This problem U might be facing.. If my suggestion is not helping U, pl let me know exact problem what UR facing...

HP DESIGNJET... • Answered on May 09, 2014


Starwheel lift error--: you've done the right thing by replacing the lift motor but the question remains as to whether the plotter has had its firmware updated as part of the starwheel lift error is that the lift motor is engaging when it shouldnt, with the starwheel replacement kit there was a usb donlge supplied within the kit , this contains the updated firmware which needs installing when the lift mech is changed if you have allready updated the fimware and are still seeing this error then the issue must be related to the lift motor and you may need to replace it again,

HP DESIGNJET... • Answered on Feb 17, 2014

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