Epson Aculaser C1100 Series Instruction Manual page 227

Write Error ROM P
The printer is unable to write data to the ROM module correctly.
You cannot remove the ROM P because the ROM P is a program
ROM module. Contact your dealer.
Writing ROM P
The printer is writing data into the ROM module in the ROM slot
P.
Wrong Photoconductr
An inappropriate photoconductor unit is installed. Install only
the photoconductor unit listed in "Consumable products" on
page 19.
See "Photoconductor Unit" on page 165 for instructions on
replacing the photoconductor unit.
Wrong Toner uuuu
An inappropriate toner cartridge is installed. Install only the toner
cartridge listed in "Consumable products" on page 19.
See "Toner Cartridge" on page 161 for instructions on replacing
the toner cartridge. (The letters C, M, Y, or K appear in place of
uuuu and indicate the colors Cyan, Magenta, Yellow, and Black
respectively.)
wwww Open
The specified cover (wwww) does not close securely. Open the cover
once, then close it.
Troubleshooting
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