Lexmark CX310 Service Manual

Actions Yes No
Step 3
Enter Diagnostics Menu.
Turn the printer on, press and hold 3 and 6, and release the buttons with
the installed memory and processor speed displays.
Perform the Base Sensor Test. See
“BASE SENSOR TEST” on page 203.
a Select Base Sensor Test, and press Select.
b Select Fuser Exit Sensor, and press Select.
c Open the close the front door, and inspect the fuser exit sensor located
on the LVPS shield.
Turn the printer off, and remove the rear cover. See
“Rear cover removal”
on page 307.
Turn the printer on, and then click the values below at JBIN1:
Pin 1: 0 V dc (+5 V dc during cycle)
Pin 2: +3.3 V dc beam blocked 0 V dc unblocked
Pin 3: Ground
Are the values correct?
Problem resolved. Replace the controller
board. See
“Controller
board removal” on
page 309.
Operator panel (display is dim and unchanging) service check
Replace one of the following components, and perform a POR before replacing a second component. Never replace
both of the components without performing a POR after installing each one, or the printer will be rendered inoperable.
7527
Diagnostic 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)