Lexmark CX310 Service Manual

4 Remove the three screws (F) from the duplex reference guide, and remove the guide.
Installation notes:
a Align the duplex reference guide so that the tabs are inserted into the slots, and the top of the reference guide
fits under the door ribs.
b Replace the three screws in the duplex reference guide.
c Be sure that the shaft and bearing have not shifted out of the guide. If they have, then make sure that the
bearing on the left is aligned with the slot (G) facing down (towards the front door).
Note: Improperly aligned bearings or seated shafts may cause vibration and noise in the front door.
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Repair information
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Lexmark CX310 Specifications

General

Print Technology	Laser
Scan Technology	CIS
Scan Resolution	Up to 600 x 600 dpi
Duplex Printing	Manual
Display	2.4-inch color LCD
Processor Speed	800 MHz
Standard Memory	256 MB
Fax Speed	33.6 Kbps
Operating System Compatibility	Windows, Mac OS, Linux
Print Resolution	Up to 600 x 600 dpi
Connectivity	USB, Ethernet
Standard Paper Input	250 sheets
Scanner Type	Flatbed, ADF
Fax Resolution	300 x 300 dpi
Paper Capacity	250 sheets
Network Connectivity	Ethernet
Copy Speed	Up to 22 cpm (black), Up to 18 cpm (color)