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Re: 943 service print head error
Sounds like a mirror motor error(this is the laser mirror that spins very fast 20k rpms, you hear the sound when its about to print ,sounds like a jet spinning up). In this case you will need a pro to look at it or replace the machine....
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Service error code 5200 is the print head error. Rub the print head into a plain paper with rubbing alcohol until ink flows and then after that remove all the USB cable connection and power cord and plug it again. Then run the print head cleaning maintenance like print nozzle or print alignment.
It should be fine right now. Please let me know if you need more help
These error codes indicate a problem with the mirror motor circuit in
the printhead assembly or the mirror motor cable to the system board
cable or system board assembly. Check the continuity of the mirror
motor cable connected to J5 on the system board. If incorrect,
replace the cable. The voltage at J5-7 measures approximately
+24 V dc. If incorrect, replace the system board. If correct, replace
the FRUs in the following order:
• System board
• Printhead assembly
I guess you're getting an error message which is normally one of the below (causes underneath)
Error Code 931
No first HYSNC Signal
Error Code 932
Lost HYSNC =
These errors usually indicate a
failure in the HYSNC signal to the
printhead. Check the continuity of
the cables connected to J3 and J8
on the engine board. If incorrect,
replace the defective cable. The
voltage at J8-4 measures
approximately +5 V dc. If incorrect,
replace the engine board. The
voltage at J3-7 measures
approximately +24 V dc. If incorrect,
replace the engine board. If correct,
replace the printhead assembly.
Error Code 934
Mirror Motor Lost Lock
Error Code 935
Mirror Motor unable to
reach operating speed =
These error codes indicate a
problem with the mirror motor circuit
in the printhead assembly or the
mirror motor cable to the engine
board cable or engine board
assembly. Check the continuity of
the mirror motor cable connected to
J3 on the engine board. If incorrect,
replace the cable. The voltage at
J3-7 measures approximately
+24 V dc. If incorrect, replace the
engine board. If correct, replace the
FRUs in the following order:
Error code 5200 means the print head temperature is too high. The only was to resolve this error is either replace the print head or replace the logic board. The print head is available, part number QY6-0061 but you will struggle to find a logic board. The only other thing you can try is resetting the EEPROM on the logic board, this sometimes clears the error. A service manual will show you how to do this: http://www.tradebit.com/filedetail.php/4546483-canon-pixma-mp830-printer-service-manual