Print Head And Ffc Cable Replacement - AMT Datasouth Accel-7350 Service Manual

Print Head and FFC Cable Replacement

REMOVAL (Print Head)
Step 1. Open the printer front cover and remove the ribbon cassette.
Step 2. Remove 2 pan head screws (S-6) that are securing the print head onto the carrier.
Remove 1 screw from the carrier cover and pull the printhead toward the front of the
printer. Disconnect the printhead cables.
REMOVAL (FFC Cables)
Step 1. Print Head must be already removed.
Step 2. Remove the carrier motor, 4 pan head screws (S-16).
Step 3. Remove the rear guide FFC upper plate, 3 pan head screws (S-6).
Step 4. Remove 2 pan head screws (S-17) from the mechanism stoppers (left and right corners
of the mechanism).
Step 5. Lift up the back of the mechanism and disconnect the FFC cables from the connectors
on the control PCB unit.
Step 6. Lift up the FFC guide plate and remove cables from the retainers with tweezers or a
screwdriver.
Step 7. Disconnect the FFC cables from the connectors on the print head PCB unit in the carrier;
then remove the FFC cables from the carrier.
Caution: Make sure that three FFC cover clip retainers hold the cable but not damage it.
INSTALLATION
Follow the reverse of the above procedure.
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