Question about HP DesignJet 1050c InkJet Printer

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We are receiving the error message Check Print Head Path Type 2 when trying to plot to our designjet 1050C. The carriage makes a slight clicking noise on the left side of the rod. Does anyone have a fix for this? Thanks

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Upon power up, does the machine move the carriage assembly from one side to the other?

Generally, any message like that means the belt has a few teeth missing or is worn. The belt drives the carriage assembly to and fro. If the machine detects a slow down or stop, it will have you check the printhead path for obstructions. If there aren't any, then 9 times out of 10 it is a worn belt. Check for little pieces of black rubber under the belt and encoder strip.

I have also seen 2 other fixes: a dirty encoder strip (the plastic strip with little hash marks on it) and a faulty cutter. But most of the time it is the belt.

Posted on Apr 23, 2010

  • Greg Moore Feb 03, 2011

    If your carriage is stopping a few inches from the left side, it is probably the common issue with the ink tube system. The problem normally starts after a paper cut, but it gets worse and happens more often. When working, you will hear a small grind or stammer as it goes to the right from the extreme left.



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On my HP 1050C Designjet I am getting the error 'Check printhead path Type 2. Then it says to switch off.

Hello. The "Check Print Head Path" error is usually a worn out carriage belt on printers more than 5 years old. Open the top cover and examine the area under the belt and look for debris that looks like pencil erasure crumbs. Other possible problems could be the tube system catching on something as the carriage moves, the encoder strip being very dirty or extreme friction between the carriage bushings and the rails they move on. If the belt needs to be replaced, a replacement kit can be purchased at:
Hope this helps.

Jan 26, 2011 | HP DesignJet 1050c plus InkJet Printer

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Error-check printhead path 2

After plot one ploter going to print head check mode on dsj 1050.

May 17, 2010 | HP DesignJet 1050c plus InkJet Printer

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Check to make sure that the front top of the L bracket that shields the ink tubes on the carriage is not rubbing against the inside top front metal edge that is just behind the clear plastic cover. And make sure your rails are cleaned and then oiled with NYE oil. There is a problem with the design of this machine, where there is a bracket on the top of the carriage assembly that pushes the ink tubes towards the inside front of the machine causing unneccesary rubbing.

Jan 27, 2010 | HP DesignJet 1050c InkJet Printer

1 Answer

Error message reads "switch power off check printhead path type 2", any suggestions. I have cleaned along the track but problem persists on power up. Head alignment begins and after a short while the error...

there is an issue with your carriage assembly. it cannot move freely across the carriage rail assembly. the belt may be worn, lubricate the rail assembly or both.

Nov 16, 2009 | HP DesignJet 1050c InkJet Printer

1 Answer

HP Designjet 1050c begins to plot, then stops plotting with the error message "Turn of printer, check printhead path". What is the problem?

you need to lubricate the slide bar with some thin oil ( sewing machine oil).put the oil on your finger and then touch the bar this way you wont spil oil into the printer

Nov 03, 2009 | HP DesignJet 1050c InkJet Printer

1 Answer


If there is no obvious obstruction in the print head path, the most likely problem is a worn carriage belt. Open the front lid and check for rubber crumbs under the carriage belt. If there are crumbs, the belt is disintegrating and needs to be replaced.

The service manual can be downloaded from: and the parts are available at:

Oct 10, 2009 | HP DesignJet 1050c InkJet Printer

1 Answer

HP DesignJet 1050C stops printing - no error message

check all connectors on main pca. check trailing cables on carriage assembly. main pca may be bad.

Sep 08, 2009 | HP DesignJet 1050c plus InkJet Printer

1 Answer

Switch power off check printhead (1)

Good morning. The CHECK PRINT HEAD PATH error is caused by the sensors on the print head carriage sending signals to the electronics that the carriage speed is incorrect. Generally, this is a mechanical problem caused by an obstruction, such as a paper jam or some other item in the paper path. However, the most common reason for the error is a worn out carriage belt. Look under the belt to see if there is debris resembling pencil erasure crumbs. If the crumbs are present, your belt is disintegrating and needs to be replaced. The parts can be purchased at:

Apr 22, 2009 | HP DesignJet 1050c InkJet Printer

3 Answers

Print head path

Sounds like a belt tensioner bearing going bad. That is if you haven't found any paper lodged in the way, the carriage bar is lubricated well and the belt is in decent shape. The belt tensioner is at the left end where the belt turn around. inside the wheel at the end is a bearing the starts to seize as it gets old and causes the error. You'll probably have to order a tensioner assembly. The part can be found on

Here's a link to the complete service manual for the plotter.,%201055CM%20Large%20Format%20Service%20Manual.pdf

Hope that helps you.

Jul 21, 2008 | HP DesignJet 1050c plus InkJet Printer

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