Lexmark CX310 Service Manual

Actions Yes No
Step 7
Damage to the printer is possible. Be careful to touch only one conductor
at a time. Rest the probe against the connector to steady it.
With the printer on, verify the following values at JLVPS1:
Pin 1: +5 V dc
Pin 2: Ground
Pin 3: +5 V dc
Pin 4: Ground
Pin 5: +5 V dc
Pin 6: Ground
Pin 7: +24 V dc
Pin 8: Ground
Pin 9: +24 V dc
Pin 10: Ground
Pin 11: +24 V dc
Pin 12: Ground
Pin 16: Ground
Are the values approximately correct?
Replace the controller
board. See
“Controller
board removal” on
page 309.
Replace the LVPS. See
“Low‑voltage power
supply (LVPS)
assembly removal” on
page 253.
Front door sensor or switches service check
Actions Yes No
Step 1
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 Front Door, and press Select.
c Open and close the front door, and observe the display.
Does the display indicate Value Closed with the door closed, and
Value Opened with the door open?
Sensor, toner door, and
right doors are okay.
Go to step 2.
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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)