Markem Imaje 9020, User Manual, Page: 108 / 182

Troubleshooting
A36163-B
108/182
Replacing a resonator
Tools:
1.5 mm Allen key; resonator clamping/loosening rod.
CAUTION: Turn off the printer and unplug it from its AC outlet.
Residual ink may pour out, take appropriate precautions.
Perform this operation in a dust-free environment.
Disassembly:
□ Open the head cover. Remove the resonator wire protective cover. Disconnect the
resonator wires.
□ Unscrew and gently remove the resonator clamping sleeve.
□ Pull the resonator out of its housing. Take care with the seal (one O-ring).
Reassembly:
□ Clean the inside of the modulation chamber with make up. Remove the old O-ring.
□ Fit the new O-ring on the resonator before reassembling it. Tighten the clamping
sleeve.
□ Reconnect the resonator wires and reinstall the protective cover.
Testing:
□ Start the printer.
□ “Check jet stability” and break-off point adjustment are required.