Ricoh V-C3 D081 Field Service Manual page 658

3. Appendix: Service Call Conditions
3
SC232 D
SC233 D
SC234 D
80
• Harness between the VBCU and LDB unit disconnected, loose, or defective.
• LD unit defective
• IPU defective
• Controller board disconnected, defective
• HDD defective
FGATE error: Feedback remains HIGH for Y write
After the start of timing to create the yellow image, the PFGATE register of the GAVD
did not assert.
• Harness between the VBCU and LDB unit disconnected, loose, or defective.
• LD unit defective
• IPU defective
• Controller board disconnected, defective
• HDD defective
FGATE error: Feedback remains LOW for Y write
After the start of timing to create the yellow image, the PFGATE register of the GAVD
did not assert.
• Harness between the VBCU and LDB unit disconnected, loose, or defective.
• LD unit defective
• IPU defective
• Controller board disconnected, defective
• HDD defective
FGATE error 1: Feedback remains HIGH for M write
After the start of timing to create the magenta image, the PFGATE register of the GAVD
did not assert.
• Harness between the VBCU and LDB unit disconnected, loose, or defective.
• LD unit defective
• IPU defective
• Controller board disconnected, defective
• HDD defective