Designjet Z5600 Service Station T0B51-67023What does a Designjet printer with a '21. 1' or 21. 2 error mean? You power on your printer and on the display there is a message, System Error 21. 1. What this means is that the service station primer motor can not activate in order to rotate the sled that primes the printheads. In other words, the service stations job to preserve the printheads from drying up when not in use is disabled due to a build up of ink over flow in the spittoon. One of the

Software conflicts: Issues with the printer driver or software might be affecting the printer

Replacing the service station is relatively easy to swap out

which is essential for technical and engineering drawings

HP Designjet T830 Main PCA Board

Updated  04/28/25

Replacing the (CQ891-67019) has resolved the error for me

making it versatile for a variety of tasks and projects

or foreign objects

Mechanical Problems:

Touchscreen Display: It typically comes with a large touchscreen display that simplifies the operation of the printer and allows users to preview and manage their print jobs

This allows you to print from your mobile devices and easily connect to your office network

I can't personally confirm the Control Panel fixed it