| - | [* black] Now you should test if the new mainboard helped (i.e. if it really was the source of the fault). ***Do NOT connect Ethernet cable at this point***, otherwise the printer will not boot. |
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| - | [* black] Connect a PS/2 keyboard and a VGA monitor to the mainboard. Then plug in the power cord to the printer and turn it on. The mainboard should beep and show BIOS logo. It will probably stop there and report corrupted CMOS settings (beause of the battery in Step 4). |
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| - | [* black] Enter the BIOS (Delete or F1 key), and choose Save settings (second photo). This will set and save default CMOS settings and the mainboard will reboot itself. It then should fully boot into printer firmware (ASCII GUI similar to the third photo). Also, the small display at the front of the printer should work now. |
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| - | [* icon_note] If you encounter problems, keep in mind it's like troubleshooting an ordinary PC - check for loose cables/connectors, improperly seated components, bad power supply, faulty memory, BIOS errors etc. |
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| - | [* icon_note] The worst problem would be bad HDD, because it stores various calibration data for valves, rollers and other mechanical components which were uniquely tuned in the factory. I made a HDD image from one Zprinter 650 in Acronis, but it probably won't work very well in another printer. |
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| - | [* icon_note] Nevertheless, I'm willing to provide you with my HDD image if you really need it. Contact me in that case. |
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| + | [* black] Before connecting the Ethernet cable, test if the new mainboard has resolved the issue that caused the fault. |
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| + | [* icon_caution] Do not connect Ethernet cable at this point, otherwise the printer will not boot. |
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| + | [* black] Connect a PS/2 keyboard and a VGA monitor to the mainboard. Plug in the power cord of the printer and turn it on. The mainboard should beep and show the BIOS logo. It may stop and report corrupted CMOS settings due to the battery replacement in Step 4. |
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| + | [* black] Enter the BIOS by pressing the Delete or F1 key and choose to Save settings, as shown in the second photo. This will save default CMOS settings and the mainboard will reboot itself. It should then boot into the printer firmware, with an ASCII GUI similar to the third photo. The small display at the front of the printer should also function now. |
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| + | [* icon_note] If you encounter any issues, troubleshoot as you would with a regular PC. Check for loose cables/connectors, improperly seated components, faulty power supply, faulty memory, BIOS errors, etc. |
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| + | [* icon_note] The worst problem would be a faulty storage drive since it stores calibration data for valves, rollers, and other mechanical components which were uniquely tuned in the factory. If you need my HDD image from one Zprinter 650 in Acronis, contact me, but keep in mind that it probably won't work well with another printer. |
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