YOU WILL NEED:
1. Level I Tech Procedures for ImageWriter II
2. ImageWriter II User's Manual
BEFORE YOU START:
1. If a replacement module/part doesn't fix the problem, reinstall the
original module/part before continuing with the procedure.
2. For location of IW II module/parts or adjustment procedures, refer to the
Level I Tech Procedures.
INSTRUCTIONS:
1. Check the paper guide positioning adjustment.
2. Turn off the printer and replace the flexible cable.
3. Check the print head as follows. If it proves defective, replace it.
3.1 Set the digital multimeter to measure 200 ohms resistance.
3.2 Remove the print head and place it PCB side down with the edge
connectors facing you. Place one probe on each side of the first
edge finger on the right side of the print head. The resistance
value should be approximately 3 ohms.
4. Replace the Drive PCB.
5. Replace the Main CPU PCB.