Error code 20000107 has no single universal meaning. A third-party report associates it with Epson’s Adjustment Program (AdjProg) when multiple potentially compatible printers are connected, while Hectronic’s Citea maintenance manual lists the same code as “Read.” Check which app or device displayed it before troubleshooting.
Why the code needs context
Error numbers are defined by the software or device that produces them, not necessarily shared across unrelated systems. The surrounding message and the name of the app or equipment are therefore essential to interpreting 20000107.
- Epson Adjustment Program (AdjProg): A third-party troubleshooting report links the code, grouped with 21000012c, to having more than one potentially compatible printer connected. This is not an official Epson definition. Source: third-party AdjProg report.
- Hectronic Citea: The Citea maintenance manual’s driver-applications table labels 20000107 “Read,” followed by 20000108, “Read timeout.” That definition applies to the Citea system documented in the manual. Source: Hectronic Citea maintenance manual.
- Other software or devices: A 2025 Arduino forum project log uses 20000107 as a
_PowerOffmessage during an e-paper display update. A forum response notes that a program determines what its logged messages mean. Source: Arduino forum project log.
A CyberPost article describes the code broadly as an Epson communication issue, but does not establish the exact utility or printer-model context. That does not confirm a general network fault or a particular hardware failure. Source: CyberPost article.
What to try if it appears in Epson AdjProg
The following checks apply only if you confirmed the error appeared in Epson Adjustment Program. The code-specific explanation comes from a third-party report, not an official Epson instruction.
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- Confirm the program. Check that the error is shown by Epson Adjustment Program/AdjProg. If another app or device produced it, do not assume this procedure applies.
- Leave only the target printer connected. Disconnect other printers that could be compatible with the utility, and make sure the printer you intend to reset is powered on.
- Select the printer’s port. In AdjProg settings, choose the target printer’s specific port rather than “Auto Select.”
- Escalate with the details. If the error remains, note the printer model, operating system, utility name and version, selected port, and exact message. Contact the printer manufacturer or a qualified technician. The reviewed material did not establish an official Epson instruction for this exact code.
What the number alone cannot tell you
Do not conclude from 20000107 by itself that the printer has a network problem, needs a new cable, or requires a replacement part. Those diagnoses are not established by the code-specific AdjProg report. If the code appeared outside AdjProg, record the app or device name and the full surrounding message or log, then consult that product’s documentation or support.
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