AMT Datasouth Accel-7350, Service Manual

Page: 53 / 119

52
Ribbon Guide Assembly Replacement
TOOLS: Philips Screwdriver, six inch long .002” (qty-1), and .004” (qty-2) Feeler Gauges
REMOVAL
Step 1. Remove the printer top cover, 7-pan head screws.
Step 2. Remove ribbon cassette.
Step 3. Remove the carrier cover, 1-pan head screw.
Step 4. Disassemble the print head by removing 2-pan head screws (S-6) from the head carrier
and pull the printhead toward the front of the printer. Place the print head on top of the
unit, out of the way.
Step 5. Remove 2-pan head screws (S-6) that secure the ribbon guide assembly onto the carrier.
Step 6. Remove the plastic ribbon guide assembly from the carrier.
INSTALLATION
Step 7. Replace the clear plastic ribbon shield assembly. Insert, but do not tighten screws.
Step 8. Use the large white gear left side of the printer chassis to move the carrier up or down.
Position the Carrier Stop .002” (use feeler gauge) above the platen.
Step 9. Place .004” feeler gauges (qty-2) beneath the clear plastic ribbon shield. Place the
gauges alongside the metal ribbon guide. Refer to above picture for reference.
Step 10. Press down and tighten screws (qty-2) securing shield in place. NOTE: Tightening the
screws can sometimes cause the ribbon plastic guide to move out of alignment.
Alternate tightening the screws a small amount until the guide is secured in place.
Step 11. Verify the plastic ribbon guide and platen gap by using a .004” feeler gauge beneath the
clear plastic ribbon shield. Should the gap be incorrect, repeat steps #7 through #11.
Step 12. Reassemble the print head and carrier cover.
Step 13. Reassemble top cover.
Carrier Stop
Place .002” gauge here
Carrier Cover Screw
Print Head Screws
Place .004” Feeler Gauges here
when assembled on the carrier