Epson WF-C5790 User Manual

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Troubleshooting Troubleshooting procedure 126
Confidential
PRINTHEAD ELECTRICAL ERROR (3)
 Error name
 Printhead fuse blown error (error code: 031006)
 Cause
 Occurs if the Printhead fuse has blown.
 Suspected cause
 Fuse blown due to overcurrent, etc.
 Printhead failure
 Printhead drive circuit failure in main board
 Head FFC oblique insertion and protective solution leakage
 Troubleshooting
PRINTHEAD ELECTRICAL ERROR (4)
 Error name
 VBS over-voltage error (error code: 031008)
 Cause
 Occurs when an abnormal voltage is applied to the head drive circuit
during printing.
 Suspected cause
 Head FFC oblique insertion and protective solution leakage
 Printhead failure
 Printhead drive circuit failure in main board
 Troubleshooting
Step Check and measure Yes No
1
Visually check for solution leakage.
Check the Printhead FFC to make sure that there is
no solution leakage or discoloration.
Go to step 2
Replace the
Printhead and
Head FFC
Assy.
2
Visually check for the Head FFC connection
state.
Check the Head FFC to make sure that it is not
inserted obliquely or disconnected, and that all
connections are proper.
Go to step 3
Properly
connect the
Head FFC.
(Replace the
Head FFC,
if damaged.)
3
Replace the Printhead.
Does the error occur after replacing the Printhead?
Go to step 4 End
4
Replace the Main Board Assy.
Does the error occur after replacing the Main Board
Assy?
Contact the
EPSON
Service
Department.
End
Step Check and measure Yes No
1
Visually check for solution leakage.
Check the Head FFC to make sure that there is no
solution leakage or discoloration.
Go to step 2
Replace the
Printhead and
Head FFC
Assy.
2
Visually check for the head FFC connection
state.
Check the Head FFC to make sure that it is not
inserted obliquely or disconnected, and that all
connections are proper.
Go to step 3
Properly
connect the
Head FFC.
(Replace the
Head FFC,
if damaged.)
3
Replace the Printhead.
Does the error occur after replacing the Printhead?
Go to step 4 End
4
Replace the Main Board Assy.
Does the error occur after replacing the Main Board
Assy?
Contact the
EPSON
Service
Department.
End

Epson WF-C5790 Specifications

General

Print Resolution	4800 x 1200 dpi
Duplex Printing	Yes
Paper Capacity	250 sheets
Monthly Duty Cycle	Up to 45, 000 pages
Display	4.3" color touchscreen
Functions	Print, Copy, Scan, Fax
Output Capacity	150 sheets
Scan Resolution	1200 x 2400 dpi
ADF Capacity	50 sheets
Ink Type	DURABrite Ultra pigment ink
Ink Cartridge Configuration	4 individual ink cartridges (Black, Cyan, Magenta, Yellow)
Print Technology	PrecisionCore
Print Speed (Black)	24 ppm (ISO)
Print Speed (Color)	24 ppm (ISO)
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Mobile Printing	Apple AirPrint, Google Cloud Print
Scanner Type	Color flatbed
Fax Speed	33.6 Kbps
Paper Sizes	A4, A5, A6, B5, Letter, Legal, Executive