Printer message reads error 13
Error: 927 Service Fan Stalled
Check the main exhaust fan first. All models of these printers have a main exhaust fan. The main exhaust fan is located on the top of the printer, on the rear left side.
Make sure nothing has fallen down into the main exhaust fan that could be blocking it. There are vent slots/holes in the top cover of the fan, on the left-hand side. Look through these vents/holes.
If there is an item stuck there, see if you can remove it. If not, you will probably need to have a technician remove the top cover unit and extract the jammed item from the fan.
If nothing appears to be blocking the exhaust fan, power off the printer and let it sit powered off for at least a minute.
While the printer is turned off, check to see how it is plugged into the wall. It should be plugged directly into a wall outlet and not through any sort of surge device or power strip. (Power strips and uninterrupted power supplies can cause a low amperage problem in your printer, which could trigger a 927 error.) Even if it has worked on this surge device for months, try connecting the printer directly to the wall. If the printer is already plugged directly into a wall outlet, try it at a different wall outlet.
When the printer has been off for more than a minute, power it on and see if the 927 error returns.
If the 927 error does not return, try printing again. If the printer works as expected, continue using it as you were doing before the error arose. The 927 error may have been just an isolated incident. However, keep an eye on it for the next couple of days to see if the error returns.
If the 927 Fan Stall error continues to return when you power on the printer or when you try to print, the printer will probably require service.
If you are a technician working on a printer that has ONLY one fan installed, check the cable connecting the main fan to the engine/system board. Make sure the connections at the ends have not come loose and that the cable itself is not damaged. The parts that are most likely to need replacing are the main exhaust fan or the printer's engine/system board.
Some printer models also have a second auxiliary cooling fan, sometimes called the cartridge cooling fan. Printers that have this fan are the Optra T614, T616, the Lexmark T622, the T63x series (630, 632, 634) and some models of the Optra S 2420, 2450, 2455, and Se 3455. Note: The second exhaust fan was eliminated on some later models of these S series printers. The auxiliary cooling fan is located on the back of the printer, on the right-hand side.
Check the fan as you checked the main exhaust fan. Look into the vents. Make sure nothing has got stuck in this fan.
Turn the printer off and on again to see if that clears the 927 error first.
If you are a technician working on a printer with this error that has more than one fan installed, you need to establish which fan is causing the problem. You can perform the following checks:
Check the main exhaust fan first as it is usually the cause. If the main fan appears to be fine, check the cable connecting the auxiliary fan to the printer's engine/system board.
Power on the printer. During the warm-up sequence, both of these exhaust fans are supposed to turn. If one fan turns and the other does not, the fan that is not turning is the most likely cause of the problem.
Measure the voltages coming off the engine/system board to those fans. If one particular fan is not getting voltage, the problem lies with the printer's main system/engine board or that particular fan or cable.
The Lexmark T622/622n model printers also have a fan on the printhead unit. This fan is not visible from the outside of the printer, so you will not be able to check it visually. Power the printer off and on. If that does not clear the error and this fan is the cause of the problem, the printer will require service.
If you are a servicer working on this printer model, follow the steps listed above for the auxiliary fan, but adding this third fan to your list of checks for the cause of the 927 error.
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