Epson WF-4640 Series User Manual

Confidential
Troubleshooting 16
Epson WF-5690/4640/4630/5620/5190/5110 series Revision D
Printer
0x94 PW Sensor light value adjust error
• PW Sensor failure
• Main Board failure
0x96 Decompress pump motor driving time error
• Decompress pump motor failure
• Main Board failure
0x99 IES process check error ---*
0x97 Head drive circuit VBS over-voltage error
• Printhead failure
• Head FFC failure
• Main Board failure
0x9A Circuit error (include blowout of a fuse)
• Main Board failure
0x9B Transistor temperature error
0x9C X-Hot detect error (pre printing)
• Printhead failure
• Main Board failure
0x9D X-Hot detect error (after flushing)
0x9E Head temperature error
0x9F No print inspection mode error ---*
0xB8 CRCM access error
• CR Contact Module failure
• CRCM FFC disconnection
• Main Board failure
0xB9 -
0xBA
Ink device error
• Ink cartridge failure
• CSIC Terminal failure
• CR Contact Module failure
• Main Board failure
0xBD -
0xC2
CRCM access error
• CR Contact Module failure
• CRCM FFC disconnection
• Main Board failure
0xC3 Ink device error
• Ink cartridge failure
• CSIC Terminal failure
• CR Contact Module failure
• Main Board failure
0xC4 -
0xCF
CRCM access error
• CR Contact Module failure
• CRCM FFC disconnection
• Main Board failure
0xD1 ASF PID excess load error
• ASF Encoder failure (contaminated/detached scale, Encoder Board
failure)
• ASF Motor failure
• Pickup Roller (2nd cassette) drive mechanism overload (paper jam /
foreign object)
• Cable disconnection
0xD2 ASF PID excess speed error
• ASF Encoder failure (contaminated/detached scale, Encoder Board
failure)
• Motor driver failure (Main Board failure)
0xD3 ASF PID reverse error
• ASF Encoder failure (contaminated/detached scale, Encoder Board
failure)
• Paper jam
0xD4 ASF PID lock error
• ASF Encoder failure (contaminated/detached scale, Encoder Board
failure)
• ASF Motor failure
• Pickup Roller (2nd cassette) drive mechanism overload (paper jam /
foreign object)
• Cable disconnection
0xD8 ASF load position reverse error
• ASF Encoder failure (contaminated/detached scale, Encoder Board
failure)
• Paper jam
0xD9 ASF load position excess speed error
• ASF Encoder failure (contaminated/detached scale, Encoder Board
failure)
• Motor driver failure (Main Board failure)
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