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Lexmark CX310 Service Manual

Lexmark CX310
430 pages
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Step 7
Turn the printer off, and remove the rear cover. See
“Rear cover removal”
on page 307. Check the continuity between the springloaded pin and
the JSC1 connector on the lower left side of the controller board.
Are all conductors continuous?
Go to step 8. Replace the cable.
Step 8
Replace the printhead. See
“Printhead removal” on page 324.
Does this solve the problem?
Problem is solved. Replace the controller
board. See
“Controller
board removal” on
page 309.
Blurred or fuzzy print check
Run the automatic alignment. The TPS sensor may be damaged. To run Reset Color Cal:
1 Enter the Diagnostics Menu.
Turn the printer off, and press and hold 3 and 6.
2 Select Reset Color Cal, and press Select.
3 Select TPS Setup.
4 Select Reset Color Cal, and press Select. Resetting appears. When the reset is complete, the screen is
automatically returned to TPS Setup.
Blurred or fuzzy print is usually caused by a problem in the main gear drive assembly or in the image transfer unit (ITU).
Check the main drive gear assembly and ITU for correct operation.
Blurred print can also be caused by incorrect feeding from one of the input paper sources, media trays, or duplex paper
path.
Check the highvoltage spring contacts to ensure they are not bent, corroded, or damaged. Replace the highvoltage
power supply as necessary. See High voltage power supply (HVPS) assembly removal.
Halfcolor page check
A photoconductor unit is not properly seated. Reset the specific photoconductor unit.
7527
Diagnostic information
42

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Lexmark CX310 Specifications

General IconGeneral
Print TechnologyLaser
Scan TechnologyCIS
Scan ResolutionUp to 600 x 600 dpi
Duplex PrintingManual
Display2.4-inch color LCD
Processor Speed800 MHz
Standard Memory256 MB
Fax Speed33.6 Kbps
Operating System CompatibilityWindows, Mac OS, Linux
Print ResolutionUp to 600 x 600 dpi
ConnectivityUSB, Ethernet
Standard Paper Input250 sheets
Scanner TypeFlatbed, ADF
Fax Resolution300 x 300 dpi
Paper Capacity250 sheets
Network ConnectivityEthernet
Copy SpeedUp to 22 cpm (black), Up to 18 cpm (color)

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