Question about Lexmark T644 Laser Printer

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The printer is showing a 933.00 service printhead error. what do i do to fix it

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Sir, I think I answered you before but OK. I will answer again. This specific error in this printer can depict 2 things:---

  • The Hsync Signal of the Printer has failed.
  • The Mirror Motor Unit of the Printer Head has failed or not working.
Check both the points and take appropriate steps against the issue. Try replacing.
Thank you Sir, Have a nice day.

Posted on Sep 25, 2009

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My printer is showing error code 3802, I do I do?


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1 Answer

Service printhead error 114.02


You are correct, Below is that section from the manual. Before you follow this, i've found in the past that the cable connector is not seated properly on the rip board, so check this first.
If you require any of the instructions on replacing the printhead or board let me know.


Yellow Printhead Lost Hsync
Check for the correct installation of the all the cables to the RIP
Board assembly and to the Printhead assembly; J2, J3, and J4 on
the RIP Board. Go to "RIP Board" on page 5-11. If the cables are
connected correctly to the RIP Board and to the Printhead
assembly, replace the following FRU:
"RIP Board" on page 4-11 If this does not fix the problem replace:
Yellow Printhead Assembly - Go to "Printheads" on page 4-33.
Note: Whenever a printhead assembly is replaced, it is necessary
to perform the "Printhead Adjustments" on page 4-1.

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2 Answers

Lexmark c782 ps printer has printerhead error..108.10


hi
If this is the firsttime the error has occurred, try turning the printer off. Let it sit turned off for atleast 20 seconds before powering it back on. If powering the printer offand back on clears the error, continue using the printer but watchit to see if any printhead errors return. If your printer continues todisplay a Printhead Error message, make sure it is plugged straight tothe wall and not through a surge device or power strip. Power strips anduninterrupted power supplies can cause a low amperage problem in your printer.This can trigger a printhead error even if the printer has worked on this surgedevice for months.
If theprinter continues to post a 930 Printhead Error, it thinks thewrong printhead unit is installed. If the printer was recentlyserviced, make sure the correct parts were used. This is especially true if theparts replaced were either the printhead unit or the printer's engine/systemboard. It is in one of these two parts that the printer is detecting theproblem. Note: If you are the personrepairing such a printer, please be aware that parts from different,though similar, printer models may not be compatible with this printer.Also make sure to check the laser cable going from the printer's engine boardto the printhead unit, as it reads that signal. If the printer was notrecently serviced before this error occurred and powering the printer off andon does not help, the printhead unit and possibly the laser cable or theengine/system board to this printer may need to be replaced.
If the printer continues topost a 931 Printhead Error, it thinks there is an error in the signalgoing to the laser or the Hsync part of the printhead assembly. If the printer continues topost a 932 Printhead Error, it thinks there is an Hsync error occurringin the printhead assembly. If the printer continues topost a 933 Printhead Error, it thinks there is a failure in either theHsync signal or with the mirror motor unit of the printhead. If the printer continues topost a 934 Printhead Error, it thinks there is a "lock"failure with the mirror motor assembly within the printhead assembly. If the printer continues topost a 935 Printhead Error, it thinks the mirror motor unit within theprinthead unit cannot reach its operating speed.
If powering the printer offand on does not clear any of these errors and it is alreadyconnected directly to the wall, your printer may require service. Itcould have a defective printhead unit or there might be a problem with theengine board or one of the printhead cables. Note:If you are the person repairing such a printer, check all of the cablesgoing from the printer's engine board to the printhead unit for any damage.Also check the continuity across these cables.

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2 Answers

935 service printer head error. how do I fix it?


The Mirror Motor of the printhead is unable to reach operating speed. This means you have to replace the printhead.

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1 Answer

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1 Answer

Lexmark C510 - 930 Printhead Error


93x Printhead Error
Each printhead error has its own error code number. The error codes and their respective meanings are listed below, together with some actions you can take to resolve the problem. 


ALL printhead errors:
If this is the first time the error has occurred, try turning the printer off and on. 
Let it sit turned off for at least 20 seconds before powering it back on. 
If powering off and on the printer clears the error, please continue using the printer but watch it to see if any printhead errors return. 
If your printer continues to display a Printhead Error message, make sure it is plugged straight to the wall and not through a surge device or power strip. Power strips and uninterrupted power supplies can cause a low amperage problem in your printer. This can trigger a printhead error even if the printer has worked on this surge device for months. 
  
If the printer continues to post a 930 Printhead Error, it thinks the wrong printhead unit is installed. 
  
If the printer was recently serviced, make sure the correct parts were used. This is especially true if the parts replaced were either the printhead unit or the printer's engine/system board. It is in one of these two parts that the printer is detecting the problem. Note: If you are the person repairing such a printer, please be aware that parts from different, though similar, printer models may not be compatible with this printer. Also make sure to check the laser cable going from the printer's engine board to the printhead unit, as it reads that signal. 
If the printer was not recently serviced before this error occurred and powering the printer off and on does not help, the printhead unit and possibly the laser cable or the engine/system board to this printer may need to be replaced. 
 
If the printer continues to post a 931 Printhead Error, it thinks there is an error in the signal going to the laser or the Hsync part of the printhead assembly. 
If the printer continues to post a 932 Printhead Error, it thinks there is an Hsync error occurring in the printhead assembly. 
If the printer continues to post a 933 Printhead Error, it thinks there is a failure in either the Hsync signal or with the mirror motor unit of the printhead.  
If the printer continues to post a 934 Printhead Error, it thinks there is a "lock" failure with the mirror motor assembly within the printhead assembly. 
If the printer continues to post a 935 Printhead Error, it thinks the mirror motor unit within the printhead unit cannot reach its operating speed.
 
If powering the printer off and on does not clear any of these errors and it is already connected directly to the wall, your printer may require service. It could have a defective printhead unit or there might be a problem with the engine board or one of the printhead cables. Note: If you are the person repairing such a printer, check all of the cables going from the printer's engine board to the printhead unit for any damage. Also check the continuity across these cables. 


Source: Lexmark KnowledgeBase

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1 Answer

Infronprint 1352 93x Printhead error


Basically this is a Lexmark printer.

Try these if no result replace printhead ( can be expensive will try to find the comparable to the lexmark.

93x Printhead Error

Each printhead error has its own error code number. The error codes and their respective meanings are listed below, together with some actions you can take to resolve the problem.

ALL printhead errors:
  1. If this is the first time the error has occurred, try turning the printer off and on.
  2. Let it sit turned off for at least 20 seconds before powering it back on.
  3. If powering off and on the printer clears the error, please continue using the printer but watch it to see if any printhead errors return.
  4. If your printer continues to display a Printhead Error message, make sure it is plugged straight to the wall and not through a surge device or power strip. Power strips and uninterrupted power supplies can cause a low amperage problem in your printer. This can trigger a printhead error even if the printer has worked on this surge device for months.
    • If the printer continues to post a 930 Printhead Error, it thinks the wrong printhead unit is installed.
      • If the printer was recently serviced, make sure the correct parts were used. This is especially true if the parts replaced were either the printhead unit or the printer's engine/system board. It is in one of these two parts that the printer is detecting the problem. Note: If you are the person repairing such a printer, please be aware that parts from different, though similar, printer models may not be compatible with this printer. Also make sure to check the laser cable going from the printer's engine board to the printhead unit, as it reads that signal.
      • If the printer was not recently serviced before this error occurred and powering the printer off and on does not help, the printhead unit and possibly the laser cable or the engine/system board to this printer may need to be replaced.
    • If the printer continues to post a 931 Printhead Error, it thinks there is an error in the signal going to the laser or the Hsync part of the printhead assembly.
    • If the printer continues to post a 932 Printhead Error, it thinks there is an Hsync error occurring in the printhead assembly.
    • If the printer continues to post a 933 Printhead Error, it thinks there is a failure in either the Hsync signal or with the mirror motor unit of the printhead.
    • If the printer continues to post a 934 Printhead Error, it thinks there is a "lock" failure with the mirror motor assembly within the printhead assembly.
    • If the printer continues to post a 935 Printhead Error, it thinks the mirror motor unit within the printhead unit cannot reach its operating speed.
  5. If powering the printer off and on does not clear any of these errors and it is already connected directly to the wall, your printer may require service. It could have a defective printhead unit or there might be a problem with the engine board or one of the printhead cables. Note: If you are the person repairing such a printer, check all of the cables going from the printer's engine board to the printhead unit for any damage. Also check the continuity across these cables.

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