Error 0x00C1000EHigh Severity

Ink System Pressure Error

Last updated: February 16, 2026

Severity:High Severity

Affected:15 models

DIY Fix:Professional Recommended

HP OfficeJet Pro 8610, 8620, 8710, 8720 Ink System Failure

Does your HP displays "There is a problem with the printer or ink system. Turn the printer off and then on. If the problem persists, ...

0 views

What This Error Means

This error indicates an issue with the ink pressure within the printer's ink delivery system. This can lead to poor print quality or prevent printing altogether.

Common Causes

1Faulty ink pump within ISS
2Leaks or blockages in ink tubes
3Defective pressure sensor
4Air in the ink system
5Severely clogged printheads

Symptoms to Watch For

Poor print quality (banding, missing nozzles)
Ink not flowing to printheads
Printer unable to complete printhead cleaning cycles
Loud noises from ink supply station
Printer stuck on error message

Step-by-Step Troubleshooting Guide

1
Turn off the printer and unplug the power cord.
2
Check all ink cartridges to ensure they are properly inserted and not empty.
3
Visually inspect the ink tubes for any kinks, blockages, or disconnections.
4
Plug in the printer and turn it on. If the error persists, contact a service technician.

Pro Tips from Experts

Ensure all ink tubes are correctly routed and not pinched by covers or other components. A common cause is a failing pump within the ISS. If you hear unusual noises from the ISS, it might indicate a struggling pump.

Technical Service Diagrams

Reference diagrams for common repair procedures related to this error:

Ink System Components & Flow Path

HP DesignJet Ink System Components Diagram

Note: These diagrams are for reference only. Always consult official HP service documentation and follow proper ESD precautions.

Still Having Issues?

Get connected with a certified DesignJet repair specialist in your area. Fast response, competitive quotes.

Printers Affected by This Error (15)

Explore More Resources

Explore Printers

Glossary Terms

Service Providers

Related Glossary Terms

Ink Delivery System

The complete system that stores, transports, and delivers ink from the cartridges to the printheads, including tubes, valves, and pressure regulators.

Bi-directional Printing

A print mode where the printhead deposits ink in both directions of travel (left-to-right and right-to-left), doubling print speed compared to uni-directional printing.

Error Code

A numeric or alphanumeric code displayed on the printer's front panel or in diagnostic logs that identifies a specific hardware or software malfunction.

HP 711 Ink Cartridges

HP 711 ink cartridges are available in black (80ml/38ml), cyan, magenta, and yellow (29ml) for DesignJet T120, T520, T125, T130, T525, and T530 printers.

HP 727 Ink Cartridges

HP 727 ink cartridges come in 6 colors for DesignJet T920, T930, T1500, T1530, T2500, T2530, and T3500 printers.

HP 728 Ink Cartridges

HP 728 ink cartridges are available in 4 colors for DesignJet T730 and T830 printers.

Ink & Supplies

Why is my DesignJet printing with banding or lines?

Print Quality

Can I repair my DesignJet printer myself?

Service & Cost

What is the cost of DesignJet printer repair?

Service & Cost

What media types can I use with my DesignJet?