Owner`s manual

Carriage Movement Solutions
Problems
• Carriage doesn't 1. Replace the drive PCB.
move; LEDs are not 2. Replace the transformer.
lit 3. Replace the filter assembly.
• Carriage doesn't 1. Replace the CPU PCB.
move; LEDs are lit 2. Replace the drive PCB.
• Carriage assembly 1. Check the switch on the print head PCB. If the
moves to the left and switch is frozen, replace the print head PCB.
does not return 2. Replace the CPU PCB.
to center 3. Replace the print head PCB.
4. Replace the flexible ribbon cable.
5. Replace the drive PCB.
• Carriage moves to 1. Ensure that the flexible ribbon cable is properly
the left and connected to the drive PCB and to its connector
hums very loudly under the carriage assembly.
2. Replace the flexible ribbon cable.
3. Replace the print head PCB.
• Self-test after 1. Remove the bottom cover to ensure that the wires
take-apart produces to the carrier motor are not pinched. If wires to the
no carrier movement carrier motor are worn, replace the carrier motor.
(panel lights on) 2. Replace the fuse on the drive PCB.
3. Replace the drive PCB.
• Carriage assembly 1. Remove the bottom cover to ensure that the wires
grinds or is to the carrier motor are not pinched. If wires to the
hard to move carrier motor are worn, replace them.
2. Replace the fuse on the drive PCB.
3. Replace the drive PCB.
ImageWriter II rev. Jul 91 Troubleshooting / 3. 7