Error Code: C-7105 Follow

Classification
Main body: Printer control board ICP blowout

Cause
When a specified period of time elapses after the power becomes active, an error detection signal of ICP3 is detected continuously for a specified period of time.

Measures to take when an alert occurs
The main body and the option stop immediately.

Estimated abnormal parts
• Printer control board (PRCB)

Solution
1. Check the connector connection between PRCB and the toner bottle clutch/Y (CL10), CN146 of PRCB, CN235 (Relay connector), CN211 of CL10, and the wiring. Then repair it when there is any abnormality.
2. Check the connector connection between PRCB and the toner bottle clutch/Y (CL11), CN146 of PRCB, CN235 (Relay connector), CN210 of CL11, and the wiring. Then repair it when there is any abnormality.
3. Check the connector connection between PRCB and the toner bottle clutch/Y (CL12), CN146 of PRCB, CN235 (Relay connector), CN209 of CL12, and the wiring. Then repair it when there is any abnormality.
4. Check the connector connection between PRCB and the toner bottle clutch/Y (CL13), CN146 of PRCB, CN235 (Relay connector), CN208 of CL13, and the wiring. Then repair it when there is any abnormality.
5. Replace PRCB.