Service manual

Printhead Cable
Preparations
The exterior cover must be removed prior to proceeding. (980428-101)
Tools:
3mm Allen wrench hex key or driver
980428-116 Rev. 1 Prelim. 33
Removal
1. Cut the tie-wrap securing the main cable
harness to the power supply. Caution - Do
not cut the cables!
2. Disconnect the printhead cable (JP21) from
main PCBA.
3. Open the printhead assembly.
4. Lower the printhead by loosening the
mounting Allen head screw which is
accessed through a hole in the top of the
printhead assembly.
5. Detach the printhead (ribbon) cable. Set the
loose printhead on a clean, soft and static
safe surface (mat).
6. Pull the cable out through the center panel.
7. Remove the cable's spiral wrap.
Installation
1. Place the spiral wrap on the new cable.
2. Connect the cable to the JP21 on the main
PCBA. Note pin 1 on the connector and
cable. Slide the spiral wrap 2" from the
printhead end of the cable.
3. Route the cable through the center panel.
Lower the printhead for easier access.