What you need
- Replacement carriage belt
- Phillips screwdriver
- Long Phillips screwdriver
- Allen key
- Towel or napkin
- Masking tape
- Hosonsoft software access
Step 1 – Power Down and Access Carriage
- Turn the printer completely off.
- Open the front cover.
- Lower the right-side compartment.
- Locate the knob and rotate it counterclockwise to release the carriage.
- Move the carriage to the center of the printer.
- Lift the top cover fully for access.
- Locate four screws on each side of the carriage.
- Loosen all screws without fully removing them.
- Remove the top casing.
- Remove the lower casing.
- Remove tape securing the ribbon cables for easier access.
- Move the carriage to the left.
- Place a towel or napkin underneath to protect against ink spills.
- Clamp the ink cartridges.
- Remove the two screws above the ink cartridges.
- Disconnect ribbon cables from the top board.
- Move ribbon cables safely to the left side.
- Remove the dampers and place them on the towel.
- Gently move ribbon cables aside.
- Locate the two screws at the back of the carriage.
- Use a long screwdriver to remove both screws.
- Allow the belt bracket to separate from the carriage.
Step 5 – Remove Belt from Bearings
- Go to the right side of the printer.
- Remove the two screws holding the bearing bracket.
- Remove the bracket.
- Use an Allen key to remove the center hex screw holding the belt.
- Open the left-side door panel.
- Carefully remove the belt from the left bearing.
- Remove remaining screws securing the belt.
- Remove and discard the old belt.
- Verify both sides of the belt have teeth facing the bracket.
- Ensure the belt is not twisted.
- Assemble the belt bracket: L-shaped plate on the bottom
- Place the flat plate on top.
- Install the bottom middle screw loosely to hold the bracket together.
- Slide one end of the belt into the first groove with teeth facing down.
- Install two screws to secure that end.
- Repeat the same steps for the opposite end.
- Tighten all screws once alignment is confirmed.
- Confirm bracket orientation: Screws facing up
- Feed the belt behind the ink carriage.
- Place the belt on the left bearing.
- Place the belt on the right bearing.
- Use the Allen key to secure the belt and bearing to the center screw hole.
- Verify both ends sit properly on bearings.
- Corner edge facing forward
- Reinstall the right-side bracket and screws.
- Move the belt bracket toward the left for visibility.
- Align the bracket onto the carriage ledge.
- Press down lightly on the belt to confirm proper seating.
- Hold the bracket in place and install the first screw.
- Install the second screw to secure the bracket fully.
- Reconnect ribbon cables to the top board.
- Reinstall dampers into position.
- Secure ink cable bracket with top screws.
- Unclamp ink cartridges.
- Tape ribbon cables neatly in place.
- Reinstall the main carriage casing.
- Tighten the four casing screws.
- Close the side door.
- Turn the printer on.
- Check for red warning lights.
- If red lights appear, power off and reseat ribbon cables.
Step 12 – Final Reassembly
- Turn the printer off.
- Install the top cover.
- Tighten the four top screws.
- Manually move the carriage side to side to confirm smooth motion.
- Move the carriage to the right.
- Close all printer doors.
- Open the capping station door.
- Rotate the knob clockwise to tighten.
- Connect the printer to the computer and power it on.
- In Hosonsoft, perform: X motor gear ratio calibration
- Send a test print to confirm proper operation.
- Fill ink for 30 seconds
- Two head cleanings
- Nozzle check
What you need
- Belt installed correctly
- Smooth carriage movement
- No red warning lights
- Successful test print