I am attaching the recognition result of the one page image you gave from the test model for Coptic I have built. If you can send me the correct unicode transcription for that page, I can further fine tune it. You can then further modify as per your needs.
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ⲁⲩⲱ ⲟⲙ ⲁⲓ̈ⲧⲣⲉⲩ ⲅ̄ ⲉⲟⲟⲩ ⲛ̄ ⲉ̇ⲟⲧ ⲉⲩⲙⲏⲧ ⲉ ϩⲃⲟⲩⲣ ⲉⲝⲉⲓⲣⲉ ⲙ̄ ⲙⲉ ϩ̇ⲏⲧⲉ ⲡ ⲛⲡⲉⲩⲁⲡⲟⲧⲉⲗⲉⲥⲗⲁ ⲙⲡ ⲡⲉⲩ ⲥⲭ ⲙⲙⲁ ⲧⲡⲣⲟⲩ· ϫⲉ ⲛⲁⲥ ⲟⲛ ⲟⲩ ⲟⲟ̇ⲁ ⲉⲩⲉ ϩⲱ̇ⲁ· ⲁⲩⲱ ϩⲛ ⲟⲩ ⲡⲗⲁⲛⲡⲏ ⲉⲧⲉⲡⲗⲁⲡⲁ ⲛϭⲓ ⲙⲛ ⲁⲣⲭⲱ ⲉⲧ ⲡⲟⲟⲡ ϩⲛ ⲛ ⲁⲓⲱ ⲁⲩⲱ ⲟⲛ ⲡⲉⲧⲥⲱⲁⲓⲣⲁ ⲁⲩⲱ ⲟⲓ ⲉ ⲛⲉⲩⲗⲡⲏⲩⲧⲉ· ⲁⲧⲱ ⲟⲓ ⲡⲉⲧⲧⲟⲡⲟⲥ ⲧⲏⲣⲟⲩ· ϫⲉ ⲙⲁⲥ ⲡ ⲛⲉⲩⲙⲟⲓ̈ ⲡ ⲧⲉⲩϭⲓⲡⲙⲟⲟⲉ ϫ̇ⲗⲙⲓ ϫⲓⲗⲟ– ⲡ̄ ⲟⲩϩ ⲁⲥⲡϥⲱⲡⲉ ϭⲉ ⲛ̄ⲧⲉⲣⲉ ⲥ ⲟⲩⲱ ⲉϥϫⲱ ⲛ̄ ⲡⲉⲓ̈ ⲡⲁϫⲉ ⲉⲣⲉ ϣⲓⲗⲓⲡⲡⲟⲥ ϩⲙⲟⲟⲥ ⲉϥⲥϩⲁⲓ̈ ⲛ ⲡⲓⲁϫⲉ ⲁⲛ ⲁ. ⲛⲓⲙ ⲉⲧ ⲉⲣⲉ ⲥ ϫⲱ ⲁ̇ⲗⲟⲟⲩ;ϩ ⲁⲥⲡⲱⲡⲉ ϭⲉ ⲙⲡⲡⲥⲁ ⲟ

