Epson Stylus Pro 4450 - Page 188

EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C
Troubleshooting Troubleshooting Based on Panel Messages 188
SERVICE REQ. 00010026
 Error meaning:
RTC communication error
 Explanation
There may be a case where the RTC circuit on the BOARD ASSY., MAIN
operates incorrectly (is operated as test mode). In such a case, this
message is displayed and the printer stops operating.
 Remedy
1. Remove the battery once with the power turned off and after waiting for
a while, install the battery again and turn the power on.
2. Repeat Step1 above until this error does not occur at power-on.
 Start up the printer in Maintenance Mode 2 (p.90), execute
"RTC&USBID&IEEE1394ID" to set the date using basic adjustment in
the the adjustment program.
SERVICE REQ. 00010028
 Error meaning:
Head error
 Explanation
Print Head has been damaged or undefined NMI was detected at CPU.
 Remedy
Replace the
Printhead (p.285)
SERVICE REQ. 00010029
 Error meaning:
Unidentified NMI
 Explanation
CPU has detected undefined NMI.
 Remedy
If this error is not cleared even when the power is turned off once and on
again, replace the C593 MAIN Board (p.226)
SERVICE REQ. 0001002A
 Error meaning:
CR ASIC ECU error
 Cause of trouble
 Faulty firmware (irregular overwriting of register, etc.)
 Damaged drive circuit board (break in pattern, etc.)
 Remedy
1. Installing Firmware (p.444)
2. Replace the C593 MAIN Board (p.226)
SERVICE REQ. 0001002B
 Error meaning:
PF ASIC ECU error
 Cause of trouble
 Faulty firmware (irregular overwriting of register, etc.)
 Damaged drive circuit board (break in pattern, etc.)
 Remedy
1. Installing Firmware (p.444)
2. Replace the C593 MAIN Board (p.226)