Epson WF-4640 Series User Manual

Confidential
Troubleshooting 18
Epson WF-5690/4640/4630/5620/5190/5110 series Revision D
Note *: When the optional 2nd cassette is installed for WP-5690/4630/5620/5190/5110 series.
Printer
0xF4 PF PID lock error
• PF Encoder failure (contaminated/detached scale, Encoder Board failure)
• PF Motor failure
• PF driver mechanism overload (paper jam/foreign object)
• Cable disconnection
0xF8 PF load position reverse error
• PF Encoder failure (contaminated/detached scale, Encoder Board failure)
• Tooth skip of the PF Timing Belt
• Improper tension of the PF Timing Belt
0xF9 PF load position excess speed error
• PF Encoder failure (contaminated/detached scale, Encoder Board failure)
• Motor driver failure (Main Board failure)
• Tooth skip of the PF Timing Belt
• Improper tension of the PF Timing belt
0xFA PF load position excess load error
• PF Encoder failure (contaminated/detached scale, Encoder Board failure)
• PF Motor failure
• PF driver mechanism overload (paper jam/foreign object)
• Cable disconnection
0xFE PF PID driving time error
• Main Board failure
0xFF PF load position driving time error
Table 1-2. Fatal Error List
Error type
Error
code
Error name Possible cause

Epson WF-4640 Series Specifications

General

Max Print Resolution	4800 x 1200 dpi
Automatic Duplex Printing	Yes
Scanner Type	Color flatbed / ADF
Max Scan Resolution	1200 x 2400 dpi
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct, NFC
Functions	Print, Copy, Scan, Fax
Mobile Printing	Epson Connect, Apple AirPrint, Google Cloud Print
Ink Type	DURABrite Ultra pigment ink
OS Compatibility	Windows, Mac
Print Technology	Inkjet
Print Speed (ISO)	20 ppm (black), 20 ppm (color)
Paper Capacity	80 sheets rear feed
Display	color touchscreen
Weight	31.3 lbs