Epson Stylus Pro 7710 Service Manual page 112

Epson Stylus Pro 7700/7710/7900/7910/9700/9710/9900/9910
Error Details
Error Code
Failed Part Error Name
I2C communication
error (Between
1A53 Hardware
elements on SUB-C
and MAIN)
2000 Memory NVRAM error
2002 Memory SDRAM error
FLASH BOOT
2003 Memory
SUM CHECK error
200A Memory F/W load error
System interrupt
200D System watchdog time-out
error
200E System Unknown NMI
UART
2010 System
communication error
3000 Shut down AC shut-off
Fxxx
*xxx
CPU CPU-related error
represents
error number
Dxxx
*xxx
– Debug error
represents
error number
TROUBLE SHOOTING
Description
Communication error.
NVRAM erase or write error has occurred.
SDRAM read/write error has occurred.
Installation of the firmware has been failed.
The Flash ROM has a defect.
Reading/decompressing the firmware has been failed.
A system failure such as CPU failure, defective cash or the like has
occurred.
The CPU has detected an unknown NMI.
Connection between the HEAD_B Board Assy and the Main Board
Assy has an abnormality.
The AC power has been shut off due to a power failure, unplugged,
power supply board failure, or main board failure or the like.
The firmware has a defect.
The Main Board Assy is broken.
This is a debug error that occurs at product development. In principle, it
does not occur for mass-produced products; however, it might occur
due to unexpected causes such as external noises.
Remedies for Service Call Error
Remedy
Replace the Sub Board Assy;C. (See P.174)
Replace the Main Board Assy. (See P.167)
Replace the Main Board Assy. (See P.167)
Re-install the firmware.
Replace the Main Board Assy. (See P.167)
Replace the Main Board Assy. (See P.167)
Re-install the firmware.
Replace the Main Board Assy. (See P.167)
Replace the Main Board Assy. (See P.167)
Replace the Main Board Assy. (See P.167)
Check the connection between the HEAD_B Board Assy and the Main
Board Assy.
Replace the Main Board Assy. (See P.167)
Replace the HEAD_B Board Assy (Ink Cartridge Holder L/R).
P.216, P.222)
Check the connection of the AC cable, and if there is abnormality,
correct it.
Replace the Power Supply Board Assy. (See P.169)
Replace the Main Board Assy. (See P.167)
Install the correct firmware.
Replace the Main Board Assy. (See P.167)
1. Restart the printer. If the error does not occur, observe the printer for
recurrence.
2. Re-install the firmware.
3. Replace the Main Board Assy. (See P.167)
Revision D
(See
113