Service manual

March 2009 TTPM3 - Service Manual 27
4.4.5 Printhead module
REMOVAL
1. Disconnect the printhead cable from the printhead.
2. Remove the two circlips from the shaft attaching the printhead support plate to
the output module.
3. Pull the printhead engagement arm forwards to relieve the printhead and then
pull out the shaft completely.
REPLACEMENT
If the output module has been removed as well, this one should be mounted on the basic
module before you fit the printhead module.
1. Mount the printhead module in the reverse order.
2. Check that the printhead engagement arm connects to the spring-loaded rod
extending outside the left side of the basic module.
3. If the output module had been removed as well, check that is fully seated on the
basic module so that the gear wheels are correctly in mesh.
4.4.6 Output module
REMOVAL
1. Remove the printhead module as described above.
2. Disconnect the sensor cable from the control board connector J10.
Write the connector No. on the connector housing using a permanent
marker pen so you easily can reconnect it to the right header.
3. Loosen the two Allen-screws securing the output module to the basic
module.
4. Bend the feed control slide out a little and remove the output module.
REPLACEMENT
The printhead module should not be mounted on the output module yet.
1. Bend the feed control slide out a little and lower the output module on to the
basic module.
2. Tighten the two Allen-screws and check that the gear wheels engage correctly.
3. Connect the sensor cable to the control board connector J10.
4. Mount the printhead module as described above.
4.4.7 Input module
REMOVAL
1. Mark and disconnect the sensor cables from the control board connectors
J6—J9 + J15.
2. Loosen the four screws securing the input module to the basic module.
3. Bend the feed control slide out a little and remove the input module.
REPLACEMENT
1. Bend the feed control slide out a little and lower the input module on to the
basic module.
2. Check that the gear wheels engage correctly before you tighten the four screws
firmly.
3. Connect the cables to the control board connectors J6—J9 + J15.