| - | [* black] Power up the printer and let it run for at least 10 minutes. Then place your finger to the board on the back side of the CPU (green arrow). If it's hot (>50 degrees Celsius), it means the CPU had burned out. |
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| - | [* black] You can also check if the original CPU fan works - if it doesn't, then your CPU burned out for sure. See Step 9 as to how to check. |
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| - | [* icon_caution] Warning! The power inlet and wires are right above the mainboard, be careful or you may get an electric shock! |
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| - | [* icon_note] This photo shows status LEDs in a fully working printer. Maybe they will help you with diagnostics if your printer has some other problem. |
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| + | [* black] After powering up the printer, allow it to run for at least 10 minutes. Check the temperature of the board on the back side of the CPU (green arrow). If it is hot (> 50°C), this may indicate a burnt-out CPU. |
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| + | [* black] Additionally, you can check if the original CPU fan is functional. If it does not work, this may also indicate a burnt-out CPU. Refer to Step 9 for further instructions on how to check. |
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| + | [* icon_caution] Caution: The power inlet and wires are located above the mainboard. Be sure to exercise caution and take necessary safety precautions to avoid the risk of electric shock. |
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| + | [* icon_note] The photo shows the status LEDs of a properly functioning printer, which may be useful for diagnostics if your printer is experiencing a different issue. |
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