System Error Codes
2-13 HP Designjet T Series — Service Manual
6 If the System Error continues, replace the Front Panel. See Front Panel on
page 6-47.
System Error: 08:YZ (T1120/T1120ps/T620 ONLY)
Corrective Action: The LEDs of the formatter (visible through the cover) and the power supply
can help you troubleshoot a problem when the Front Panel is blank.
The following image shows the Power Supply LED, looking through the cover.
The following image shows the Formatter LEDs, which should be marked 1,
2, and 3.
Use the following table to interpret the LEDs and find the source of the
problem. Remember that you should read these LEDs when you push the
Power button.
Some combinations may require the replacement of two or more
components. In this case, always replace one component at a time. Test the
printer to see if the problem has disappeared (check the LEDs again). If the
same LED sequence continues, replace the next component indicated in the
table.
1
23
Power
supply
LED
Formatter
1 LED
Formatter
2 LED
Formatter
3 LED
Front-panel
status
Part to change
1
Off Off Off Off Off
Power supply. Page 6-209
2
On Off Off Off Off
Main PCA. Page 6-209
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