26 Turn the printer off and unplug the power cord.

Replace the printhead assembly unit.

Power-on-reset the printer.

Run test prints.

Has the problem been resolved?

No: Reinstall the original printhead assembly unit and continue.

Yes: Turn to TAG 002: Check & Problem Resolution.

27 Turn the printer off and unplug the power cord.

Replace the IGS board.

Power-on-reset the printer.

Run test prints.

Has the problem been resolved?

No: Reinstall the original IGS board and go to TAG 800: Prints Blank or With Dark Horizontal Bands.

Yes: Turn to TAG 002: Check & Problem Resolution.

Troubleshooting Analysis Guide (TAGs)

3-157