IPF-750 HORIZONTAL LINES

[gksapple]

HI
CASE HISTORY :PRINT HEAD ERROR CAME ,SO REPLACED THE PRINT HEAD AND PURGE UNIT
THEN MACHINE WORKING FINE (WHEN PRINTING CAD FILES THERE IS NO ISSUES WHEN IT COMES TO SINLGE SOLID COLORS ,SOME BANDINGS ARE APPEAR)

AFTER REPLACING THERE IS HORIZONTAL LINES STARTED TO APPEAR IN THE PRINTOUTS

ACTION TAKEN :service mode
1 ADJUST GAP CALIB-YES(OK)
NORAMAL MODE
ADJUST PRINTER-FEED PRIORITY-ADJUST QUALITY -AUTO(OTHER PAPER)
ADJUST PRINTER-FEED PRIORITY-ADJUST PRIORITY-QUALITY

AFTER THIS SETTINGS LINES DISAPPEARED IN LITTLE BIT ,HERE I ATTACHED THE FILE THAT PRINTED BEFORE SETTINGS APPLIED AND AFTER KINDLY HAVE A LOOK

[mramlawi]

Change the main board and that it it was no need to replace the purge unit only if the ipf was worked too much .

[gksapple]

Change the main board and that it it was no need to replace the purge unit only if the ipf was worked too much .

hi thanks for suggestion.
But i have one more ipf-750 which i replaced print head ,purge absorber cap ,carriage unit and main-controller for some other issue.
in that machine also similar output is coming with band.so there may be settings has to be done which i dont know and trying to find it out.this happening with solid images not in cad diagrams .and i am suspecting this related to feed oriented settings.

[Iowatech]

New OEM ink cartridges and print head used after that print defect occurred?
Just curious, back in the day Canon wide formats would compensate for some bad jets in the print head, and bad jets in the print head is kind of what that print defect looks like. Non-OEM supplies can sometimes wreck that though.

[niyaskarimba]

hi thanks for suggestion.
But i have one more ipf-750 which i replaced print head ,purge absorber cap ,carriage unit and main-controller for some other issue.
in that machine also similar output is coming with band.so there may be settings has to be done which i dont know and trying to find it out.this happening with solid images not in cad diagrams .and i am suspecting this related to feed oriented settings.

Dear All,
we are also facing the same issue in ourprinter(Canon ipf 765).Kindly suggest us the possible solution to resolve this issue.
We have replaced with new ink(OEM) & Purge unit.
Attached the test prints for your reference.

Thanks in advance.

[Phil B.]

Dear All,
we are also facing the same issue in ourprinter(Canon ipf 765).Kindly suggest us the possible solution to resolve this issue.
We have replaced with new ink(OEM) & Purge unit.
Attached the test prints for your reference.

Thanks in advance.

did you do a head cleaning at all? clogged ports on inkjet life forms should ALWAYS start with intensive head cleaning BEFORE replacing parts...

please list ALL you have done ( parts - service manual procedures )

( I Usually don't respond in a dead thread with a different machine.. next time please start a new thread with your issues)