Lexmark X264 Service Manual

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251 paper jam
A sheet of paper or specialty media failed to feed completely from the multipurpose feeder. Part of it may still be 
visible, If it is visible, then gently pull the jammed sheets from the front of the multipurpose feeder.
If the sheet is not visible, then complete the following steps:
1.Open the front door, and remove the photoconductor kit and toner cartridge.
2.Lift the flap at the front of the printer, and remove any jammed sheets of paper that are short lengths of 
paper.
3.Align, and insert the unit.
4.Close the front door, and press. 
						

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290-294 paper jams
1.Remove all original documents from the ADF.
2.Open the ADF cover.
3.Unlock the separator roll.
4.Remove the separator roll. 
						

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5.Remove the jammed paper.
6.Reinstall the separator roll, and lock into place.
7.Close the ADF cover, and press .
291.xx ADF paper jams
1.Remove all original documents from the ADF input tray.
2.Remove the ADF input tray. See “ADF input tray removal” on page 4-8.
3.Remove the original from the ADF by pulling the lower sheet (A) from the ADF exit.
4.Replace the ADF input tray. 
						

							3-42  Service Manual 7013-XXX
Updating the printer firmware
Using a USB flash drive
The device firmware can be updated from a USB flash drive on models equipped with a USB direct interface on 
the operator panel. The printer must be in a Ready state in order to perform the code update. A MFP that is in 
Invalid Code Mode cannot be updated via the USB thumbdrive
Warning:  Before performing a firmware update on the device, contact your second level support to confirm, or 
obtain the correct code. The wrong code, or wrong level of code could lead to a malfunction or render 
the device inoperable.
Note:  Make sure the Enable Drive, and Update Code settings are enabled. These settings are found in the 
Flash Drive menu under the Settings menu in the Administrative menus.
To update the code using a USB flash drive, perform the following steps:
1.Insert the flash drive into the USB port located on the operator panel. USB Menu: Print from USB 
displays.If Print from USB doesn’t display by default, use the 
 or  buttons to navigate to the Print 
from USB command.
2.Press Select (). You now have access to the directory structure of the flash drive.
3.Use the  or  buttons to navigate to the desired firmware file. The file will have an .fls extension on it.
4.When the desired file is displayed, press Select (). Program Device : Yes displays.
5.Press Select (). The printer will start the update process. Various status and progress messages will 
appear.
Warning:  Do not turn the machine off until the update is complete. When the code update is completed, 
the MFP will automatically POR and return to a Ready state.
Using a network computer to update the MFP firmware
Using FTP
Note:  The servicer must have an understanding of how to use FTP before attempting to update the firmware 
using this method.
The MFP firmware ca be updated by performing the following steps:
1.POR the MFP to a Ready state.
2.Go to the TCP/I{P menu in the MFP’s administrative menu to retrieve the IP address.
3.From a command line prompt on a computer on the network, open an FTP session to the MFPs IP 
address. 
4.Use a PUT command to place the firmware file on the MFP. Various status and progress messages will 
appear. The MFP will reboot. The FTP session will terminate.
5.Repeat steps 2 through 4 for any other files.
Using the MFP’s Web server
1.On a computer attached to the network, open a Web browser.
2.Enter the MFP’s IP address in the address bar of the Web browser.
3.When the MFP’s home page opens, click Configuration.
4.Click the Update Firmware link on the Configuration page.
5.Click the Browse button.
6.In the browser that opens, browse to the file you want to use
7.Click Open. Various status and progress messages will appear. The MFP will reboot. The HTTP session 
will terminate.
8.Repeat steps 2 through 7 for any other files. 
						

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Using the host computer to update the MFP firmware over USB
Note:  This procedure uses the program, USB Flash. USButil is a command line USB flash utility that can also 
be used to update firmware from a host computer via USB. To use any USB flashing utility, the MFP must be 
installed on the host computer so a USB virtual printer port can be established on the host computer. The virtual 
printer port is needed so the host computer can communicate with the MFP.
1.Open the USB Utility. 
2.Browse for flash file.
3.Select the MFP from the list of printers installed on the computer.
4.Press Start.
5.Repeat these steps for every file you are updating on the MFP. 
						

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Scanner theory
Duplex ADF
The following illustration shows the paper path, rollers, and sensors used in the duplex ADF.
The duplex ADF enables the user to create duplex scans automatically, eliminating the need to stop the 
scanning process to flip the media being duplicated. The ADF uses a step motor, and a series of sensors to 
determine the media’s position in the paper path during the scan process. 
The following steps are performed in creating a duplex scan on the duplex ADF. 
1. The scanner control unit, on the controller board receives a command to create a scan, fax, or copy. 
2. A signal is sent to the ADF to poll the paper present sensor to check if the media to be scanned is in the 
correct position. The media must be placed in the ADF input tray so it actuates the paper present sensor. If the 
ADF paper present sensor isn’t actuated, a flatbed scan is run by default.
3. If the media has actuated the paper present sensor, an ADF scan is executed. At this point the roller on the 
pick arm assembly drops and advances the paper into the ADF, actuating the document sensor. Actuating this 
sensor determines that this will be the first side of the document to be scanned. 
4. When the document sensor is actuated, a signal is sent to flatbed to move the CCD imaging unit to the ADF 
scan area. When the CCD reaches the ADF scan area, a calibration is performed on the CCD. 
5. The media is advanced to ADF scan sensor which is located by the takeaway roll. If the paper does not reach 
the ADF scan sensor in a predetermined length of time, a jam error will be generated.  
						

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6. When the ADF scan sensor is actuated the paper advances to the scan area. While the paper is advancing to 
the scan area, the ADF motor generates pulses which are stored in an on-board counter. These counts along 
with the ADF scan sensor ensure that the media is travelling at the correct speed through the scan area. The 
speed the document travels through the ADF scan area is dependent on the image DPI specified by the user.
7. After a predetermined number of counts, the media reaches the scan area and the image acquisition process 
is initiated. While the image acquisition process is executing, the ADF scan sensor is being polled to determine 
if the trailing edge of the media has reached the sensor. 
8. Once the trailing edge of the scan media has reached the ADF scan sensor, that sensor goes to the off 
position. After the ADF scan sensor is switched off, the image acquisition process continues for a predetermined 
length of time. 
9. When the image acquisition process is completed, the trailing edge of the media continues to the reverse 
point. If the scan job is simplex, only the media continues to the exit roller and exits the ADF.
10. If the scan job is a duplex scan job, a solenoid on the ADF is actuated when the trailing edge of the media 
reaches the reverse point. This solenoid moves a diverter gate to the down position and engages a reversing 
gear on the exit roll. 
11. The reversed exit roll pulls the paper back into the ADF. The transport roll then moves the media to the 
duplex sensor. When the duplex sensor is actuated, the exit roll stops. Also, the duplex sensor indicates that this 
is the second side of the media to be scanned. 
12. After actuating the duplex sensor, the transport roll moves the media to the take away roll and the ADF scan 
sensor. Like the first pass of the media, the image acquisition process is repeated for the second side of the 
media. 
13. When the trailing edge of the media reaches the reverse point the second time, the solenoid again moves 
the diverter gate to the down position and reverses the exit roll. The paper goes back into the ADF unit for a third 
time. The paper passes through the paper path, but no imaging occurs. This pass is to turn the paper over to the 
original side up. On the third pass of the media trailing edge over the reverse point, the solenoid is not actuated 
and the paper passes out of the ADF.  
						

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							Repair information 4-1
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4.  Repair information
Warning:  Read the following before handling electronic parts.
Handling ESD-sensitive parts 
Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD). To prevent 
damage to ESD-sensitive parts, follow the instructions below in addition to all the usual precautions, such as 
turning off power before removing logic cards:
•Keep the ESD-sensitive part in its original shipping container (a special “ESD bag”) until the 
part is ready to be installed into the printer.
•Make the least-possible body movements to prevent an increase of static electricity from 
clothing fibers, carpets, and furniture.
•Put the ESD wrist strap on your wrist. Connect the wrist band to the system ground point. This 
discharges any static electricity in your body to the printer.
•Hold the ESD-sensitive part by its edge connector shroud (cover); do not touch its pins. If a 
pluggable module is being removed, then use the correct tool.
•Do not place the ESD-sensitive part on the MFP cover or on a metal table; if the ESD-
sensitive part needs to be put down for any reason, then first put it into its special bag.
•Machine covers and metal tables are electrical grounds. They increase the risk of damage, 
because they make a discharge path from your body through the ESD-sensitive part. (Large 
metal objects can be discharge paths without being grounded.)
•Prevent ESD-sensitive parts from being accidentally touched by other personnel. Install 
machine covers when the machine is not being worked on, and do not put unprotected ESD-
sensitive parts on a table.
•If possible, keep all ESD-sensitive parts in a grounded metal cabinet (case).
•Be extra careful in working with ESD-sensitive parts when cold-weather heating is used, 
because low humidity increases static electricity. 
						

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Removal procedures
Note:  
•Remove the toner cartridge and media tray before removing other printer parts. The toner cartridge should 
be protected from light while out of the printer. 
•We recommend disconnecting all external cables from the printer to prevent damage during service. 
•Unless otherwise stated, reinstall the parts in reverse order of removal. 
•When reinstalling a part held with several screws, start all screws before final tightening. 
•Remove the paper tray and print cartridge before proceeding with a removal.