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 153
Confidential
6
Check the nozzle check pattern.
Print nozzle check patterns and check whether there are nozzles missing or deflection.
Nozzle condition is excellent?
Go to step 7
Execute the head cleaning.
The standard cleaning strength depending on the number of
missing nozzles is as described below.
• CL1: No. of missing nozzles (1 to 5)
• CL2: No. of missing nozzles (6 to 20)
• CL3: No. of missing nozzles (21 or more)
* If nozzle missing is not improved, refer to Nozzles missing
(P. 133).
If the symptom continues to occur, go to step 7.
7
Check the Head FFC.
Visually check the FFC terminals to make sure they are not bent up or damaged.
Check if the Printhead FFC is normal.
Replace the Main
Board Assy. (p. 328)
Replace the Head FFC.
Step Check and measure Yes No

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