Service Call 101-195
D146/D147/D148/D149/D150 5-18 SM
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC186-00 D CIS LED error
During initialization:
§ The ratio between the average values of leading-edge area
and rear-edge area is out of specification.
§ Shading data peak value is below specification.
During scanning:
§ Shading data peak value is below specification.
Details:
During initialization:
§ Occurs when one out of two CIS LEDs is malfunctioning,
causing the difference between the average values of
leading-edge area and rear-edge area to be large (CIS LED
error detection).
§ Occurs when both of the CIS LEDs are malfunctioning
(unlit), causing the shading data peak value to be extremely
low (CIS white level adjustment).
During scanning:
§ Occurs when both of the CIS LEDs are malfunctioning
(unlit), causing the shading data peak value to be extremely
low (CIS scan control, gray balance
adjustment/confirmation).
§ The first and second consecutive occurrences of each
constitute initial/feed jams. The third occurrence constitutes
an SC.
(An initialization jam/transport jam occurs on 2 continuous
occasions during either initialization or transport, and on the 3rd
continuous occasion, an SC is generated)
During initialization:
§ One or two out of two CIS LEDs are defective
During scanning:
§ Both of the CIS LEDs are defective.
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