Lexmark X264 Service Manual

Diagnostics information 2-27
7013-XXX
Cooling fan service check 
Cover interlock switch service check 
Note:  Make sure a print cartridge assembly is installed and the cover closes all the way, engaging the cover 
open switch lever. 
 
LVPS/HVPS
Verify main power to controller board
With the printer off, unplug the LVPS/HVPS cable at J22 on the controller board. Verify 
grounds on pins 10, 12, 14, 16 and 18 for both the cable and the controller board. If any of 
these grounds are incorrect, then check...

2-28  Service Manual 7013-XXX
Dead machine service check
CAUTION: Check the AC line voltage. The voltage should be within the following limits:
•  100 V ac (volts alternating current)-127 V ac for the 110 V printer
•  200 V ac-240 V ac for the 220 V printer
FRU Action
LVPS/HVPSUnplug the printer. Remove the LVPS/HVPS, and check the fuses for continuity. 
• If open, then replace the LVPS/HVPS. 
• If not open, then check the switch continuity across its conductors with the switch on. 
Turn the switch off....

Diagnostics information 2-29
7013-XXX
Fuser service check 
When toner is partially fused to the media, it is usually caused by low fuser temperature.
The line voltage to the printer must be within the following limits:
•100 V ac-127 V ac for the 110 V model printer
•200 V ac-240 V ac for the 220 V model printer
This printer uses a belt fuser and therefore does not have a lamp. 
 
LVPS/HVPS service check
Fuser service check
FRU Action
Fuser power cable 
LVPS/HVPS  
FuserUnplug the printer, and disconnect...

2-30  Service Manual 7013-XXX
Main motor service check 
Media feed clutch service check
FRUAction
Main motor gear drive Main motor cable LVPS/HVPS Controller board 
Warning: Do not 
replace the operator 
panel and controller 
board at the same 
time. Each card 
contains the printer 
settings. When either 
of these cards is new, 
it obtains the settings 
from the other card. 
Settings are lost when 
both are new and 
replaced at the same 
time.
Turn off the printer, and unplug the main motor cable at J19....

Diagnostics information 2-31
7013-XXX
Operator panel service check
Inspect the operator panel cable for damage. Make sure the cable is plugged in securely. Run POST, and check 
each light for proper operation. See “Power–On Self Test (POST) sequence” on page 2-1. 
Paper feed service checks
Paper jam error indication during POST 
Media picks but stops halfway through the printer 
LCD Operator panel service check 
FRU Action
Operator panel (LCD) 
Controller board 
Warning: Do not 
replace the operator...

2-32  Service Manual 7013-XXX
Media never picks 
Media occasionally mispicks or picks multiple sheets at once 
Media skews
FRUAction
Paper feed (pick tires) tray 1 Paper feed (pick tires) tray 2 Media drive ASM Media feed clutch ASM Manual feed clutch ASM P/U and manual feed solenoid ACM drive shaft
Open the left cover, and verify that the solenoids and clutches are functioning 
when an attempt is made to feed the media. 
Make sure the rubber tires on the ACM are installed and clean. 
Replace the tires,...

Diagnostics information 2-33
7013-XXX
Media “trees,” wrinkles, stacks poorly, or curls 
USB port service check
1.Perform a print test to make sure the printer prints correctly. Verify that the indicator light is on, then print 
the menu settings by selecting Print Menu under Utilities. 
2.Be sure the printer USB cable is designed for bidirectional printing.
3.Be sure the user’s application is set up correctly. 
4.If the internal print test page prints correctly, the user’s application/printer driver is...

2-34  Service Manual 7013-XXX
Networking service check
Note:  Before starting this service check, print out the network setup page. This page is found under Menu - 
Reports - Network Setup. Consult the network administrator to verify that the physical and wireless network 
settings displayed on the network settings page for the device are properly configured. If a wireless network is 
used, verify that the printer is in range of the host computer or wireless access point, and there is no electronic...

Diagnostics information 2-35
7013-XXX
13Try using a different ethernet cable.
Did this remedy the situation?
Problem resolvedGo to step 14.
14Have the network administrator check the 
network drop for activity.
Is the drop functioning properly?
Replace the controller 
board. See “Controller board removal” on page 4-13.
Contact the network 
administrator.
15Is the printer on the same wireless network as 
the other devices?Go to step 17.Go to step 16.
16Assign the correct wireless network to the 
printer....

2-36  Service Manual 7013-XXX
Print quality service checks
Note:  Ensure the cover closes tightly. A gap in the opening may allow light to expose the photoconductor, 
resulting in a ‘dirty’ print. Extreme environmental conditions, temperatures, and humidity will affect the print 
quality.
Using print quality test pages 
To help isolate print quality problems, like streaking, print test pages using the print quality test pages. To print 
the print quality test pages:
1.Enter Configuration Menu.
a.Turn off...