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Error 0502 on the Lexmark X6150/X6170 Printer LCD Display

Document ID:SO3370
 
  Properties  

Problem

Error 0502 on the display; Faulty cartridges

Environment

How to troubleshoot an 0502 error; Reseating the encoder strip; Cleaning the encoder strip

Solution

Overview

The 0502 error can be caused by four different issues:


    1. A contaminated encoder strip

    2. An unseated encoder strip

    3. A faulty black/photo cartridge

    4. A faulty color cartridge

The procedures below will help you to identify and resolve the issue(s).

A: Encoder strip (semi-transparent gray strip)
B: Carrier belt (black and brown toothed belt)


Cleaning the encoder strip
The encoder strip may have become contaminated.


Required materials
You will need a dry soft cloth in order to complete this procedure. WARNING! Be very careful when cleaning or adjusting the printer's encoder strip.
The embedded links in the table lead to specific troubleshooting steps.
StepAction
1 Turn the printer off and disconnect the power cable from the back of the unit.
2
Open the printer's front cover.
Pinch the top of the carrier belt and gently move the cartridge carrier to the center of the printer.
3Remove both of the cartridges.
4Using the carrier belt, move the cartridge carrier over to the left-hand side of the printer.
5Gently  clean the encoder strip with the cloth.
6Move the cartridge carrier back to the right-hand side of the printer with the carrier belt.
7Reconnect the power supply and turn the printer back on.
8
Perform the printer hardware test - click here for instructions.
Did the printer pass the hardware test?
If yes, proceed to step 9.
If no, proceed to Reseating the encoder strip.
9Power the printer back off and disconnect the power cable from the back of the unit.
10
Open the printer's front cover.
Move the cartridge carrier over to the middle of the printer using the carrier belt.
11Reinstall the printer cartridges and move the cartridge carrier back to the right-hand side of the printer.
12Reconnect the power supply and turn the printer back on.
13
Perform the printer hardware test - click here for instructions.
Did the printer pass the hardware test?
If yes, the problem is resolved.
If no, proceed to Reseating the encoder strip.

 

Reseating the encoder strip
The encoder strip may have become unseated.

The embedded links in the table lead to specific troubleshooting steps.
StepAction
1Turn off the printer and disconnect the power cable from the back of the unit.
2
Open the printer's front cover.
Pinch the top of the carrier belt and gently move the cartridge carrier to the center of the printer.
3
On the back of the cartridge carrier, there is a small slot that the encoder strip fits into. Gently  push the encoder strip down and back up to get it into the slot.  NOTE: If the strip is completely out of the slot, it may be necessary to move it first forward and then back.
4Move the cartridge carrier back to the left-hand side of the printer with the carrier belt.
5Reconnect the power supply and turn the printer back on
6
Perform the printer hardware test - click here  for instructions.
Did the printer pass the hardware test?
If yes, proceed to step 9.
If no, proceed to Troubleshooting a faulty black/photo cartridge.


Troubleshooting a faulty black/photo cartridge

The embedded links in the table lead to specific troubleshooting steps.
StepAction
1Turn off the printer and disconnect the power cable from the back of the unit.
2
Open the printer's front cover.
Pinch the top of the carrier belt and gently move the cartridge carrier to the center of the printer.
3Remove the black/photo cartridge.
4Move the cartridge carrier back to the left-hand side of the printer with the carrier belt.
5Reconnect the power supply and turn the printer back on.
6
Perform the printer hardware test - click here  for instructions.
Did the printer pass the hardware test?
If yes, repeat steps 1-6 with a new black/photo cartridge. 
If no, proceed to  Troubleshooting a faulty color cartridge.
If the error persists after you have attempted the steps with a new black/photo cartridge, proceed to Contacting Lexmark.


Troubleshooting a faulty color cartridge

The embedded links in the table lead to specific troubleshooting steps.
StepAction
1Turn off the printer and disconnect the power cable from the back of the unit.
2
Open the printer's front cover.
Pinch the top of the carrier belt and gently move the cartridge carrier to the center of the printer.
3Remove the color cartridge.
4Move the cartridge carrier back to the left-hand side of the printer with the carrier belt.
5Reconnect the power supply and turn the printer back on.
6
Perform the printer hardware test - click here  for instructions.
Did the printer pass the hardware test?
If yes, repeat steps 1-6 with a new color cartridge. 
If no, proceed to Contacting Lexmark.
If the error persists after you have attempted the steps with a new color cartridge, continue to Contacting Lexmark.


Contacting Lexmark

Please contact Lexmark Technical Support for additional assistance.  When calling for service you will need to know your printer model type and serial number.  If you need help locating your printer's model type and serial number, click here.
Please call from near the printer in case the technician asks you to perform a task involving the printer.
 


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