HP Designjet T920

Service engineer:
1. Check that the cables between the ink supply station and the engine PCA are not damaged and are
properly connected. In case of any damage, replace the cable.
2. Replace the ink supply station on the service station side.
3. Replace the engine PCA. See Engine PCA on page 277.
22.1:00 Front-panel-side ink supply station error
Call agent:
1. Use the power switch at the rear to turn off the printer, then disconnect the power cord.
Reconnect the power cord, then turn on the printer.
2. Perform the ink delivery system diagnostic test to troubleshoot the problem further.
Service engineer:
1. Check that the cables between the ink supply station and the engine PCA are not damaged and are
properly connected. In case of any damage, replace the cable.
2. Replace the ink supply station on the front panel side.
3. Replace the engine PCA. See Engine PCA on page 277.
24:10 Error detected in ink tube system
Call agent:
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Use the power switch at the rear to turn off the printer, then disconnect the power cord.
Reconnect the power cord, then turn on the printer.
Service engineer:
1. Perform the Ink Delivery System diagnostic test in order to check that the bongos (pushers) go up and
down to pressurize ink in the tube, and the Out of Ink sensors work properly.
2. If the diagnostic test does not find any problem, install new cartridges,and the printhead, and try
purging the Ink Supply Tubes again.
3. If the problem persists, replace the Ink Supply Tubes. See Ink Tubes and Trailing Cable on page 317.
26:01 Ink supply error found during IDS diagnostic test (advisory)
In the front panel message you can see letters representing the names of the colors of the faulty supplies.
Call agent:
1. Reseat the faulty ink supply and repeat the ink delivery system diagnostic test.
2. Replace the faulty ink supply and repeat the ink delivery system diagnostic test.
Service engineer:
▲
Replace the left ink supply station.
120 Chapter 3 System error codes ENWW