Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05
Printer Component, Software Item, LCD Display, Printer Button  Page 39.
TROUBLESHOOTING
Error Message During Power-up/Warm-up
When an error occurs during the Power-up Sequence or during the Warm-up Sequence refer to the Error Codes and 
Warnings chart below and to the Power-up/Warm-up Sequence Flowchart to isolate the cause of the error.
Page references are AcuLaser CX11/CX11F Service Manual page references.
FIP = F
ault Isolation Procedure
Error Codes and Warnings
Panel Message Description
SYSTEM ERRORS
Service Req Cffff Controller related service request
“3.4.4.2 List of Service Request” (p149)
Optional RAM Error
Invalid N/W Module
Service Req C2010 Fax uninstalled (for fax model only)
Service Req C2011 ADF uninstalled (for fax model only) 
(p.286)
Service Req C2012 N3R ASIC Error
ROM writing error Failed to update the data
Fax Error Start up initialization could not be 
performed normally, however, the product 
can recover from the error.
Scanner Error Start up initialization could not be 
performed normally, however, the product 
can recover from the error.
(Motor error, Scanner error)
PRINTER ERRORS