Ricoh V-C3 D081 Field Service Manual page 652

3. Appendix: Service Call Conditions
SC182 D
3
SC185
SC186
SC187
74
Scanner fan lock: right fan
The fan located on the right side of the exposure unit is not rotating.
• Check the fan connections
• Fan defective
• Check SBU connection
• Check SIOB connection
• SBU defective
• SIOB defective
CIS communication error
D
Error caused during ASIC register's automatic initialization on the CIS, or during
transmission between the CIS – DF.
• Harness between the CIS – DF is disconnected
• CIS defective
CIS LED error
LED on the CIS caused an error
• During initializing, the ratio of the average between leading-edge area and
rear-edge is out of range (0.7 to 1.43).
D
• During scanning, the shading data peak is under 32 (8 bit).
• Harness CN210 and CN220 on ADF are disconnected.
• Replace CIS.
CIS black level error
The black level scanned by CIS is abnormal.
The black level average of R, G or B is not within range (2 to 62).
D 0 < Calibrated Black data level < 255(10bit).
• Turn off the machine.
• Make sure CN210 and CN220 are connected securely.
• Turn on the machine.