Epson Stylus Pro 4400 Service Manual page 187

EPSON Stylus Pro 4400/4450/4800/4880/4880C
SERVICE REQ. 00010023
Error meaning:
RTC analysis error
Explanation
There may be a case where the absolute time data stored on NVRAM
indicates an impossible date or hour. In such a case, this message is
displayed and the printer stops operating.
Remedy
Execute one of the followings:
•
Turn on the printer in Maintenance Mode 2
"RTC&USB ID&IEEE1394 ID" to set the date using basic adjustment
in adjustment program.
Remove the lithium battery once and install it again.
Replace the lithium battery with a new one. (After replacement, be sure
to execute RTC setting in one of the methods above.)
Replace the C593 MAIN Board (p.226)
Troubleshooting
SERVICE REQ. 00010025
(p.90), and execute
Troubleshooting Based on Panel Messages
Error meaning:
CSIC ROM communication error
Explanation
There may be a case where an error occurs in communication with the
CSIC and BOARD ASSY., MAIN. In such a case, this message is
displayed and the printer stops operating.
Cause of trouble
Faulty contact of Ink Cartridge
Remedy
1. Install the correct Ink Cartridge.
2. Defective CSIC Board (Replace the Ink Cartridge.)
3. Faulty contact with the CSIC
Replace the "I/H Left Unit" or "I/H Right Unit".
(Refer to I/H Left Unit / I/H Lever Sensor (Left)
/ I/H Lever Sensor (Right) (p.305))
4. Replace the C511_SUB-B Board (p.236)
(p.238)
5. Replace the C593 MAIN Board (p.226)
Revision C
(p.296), or I/H Right Unit
and the C593_SUB-C Board
187