Epson WF-4640 Series User Manual

Confidential
Adjustment Details of Adjustments 72
Epson WF-5690/4640/4630/5620/5190/5110 series Revision D
5. Press the two points down vertically on the Carriage Assy shown in Figure 3-19 simultaneously, and make
sure of the following.

The Carriage Assy is installed correctly without any gap between the Carriage Assy and CR Guide Frame.
 The PG Cam Right/PG Cam Left touch the CR Guide Frame.
Figure 3-24. The PG Cam Right/PG Cam Left and CR Guide Frame
6. Place the thickness gauges (1.47 mm) on the positions shown in Figure 3-25.
Figure 3-25. Position of the Thickness Gauge
When adjusting the PG Cam Right/PG Cam Left in the following steps, make sure to adjust
the same amount for both right and left.
PG Cam Left
Left side
Confirm PG Cam Left
touches CR Guide Frame.
PG Cam Right
Right side
Confirm PG Cam Right
touches CR Guide Frame.
Press here (x2) down vertically.
Top
Carriage Assy
CR Guide Frame
Make sure from here that the Carriage Assy
is not loosened from the CR Guide Frame.
Right side
To avoid performing the PG adjustment with the Carriage Assy loosened from the CR Guide Frame, press down the two
points in the direction of the arrow.
Thickness gauge Thickness gauge

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