Chapter 44-38F-4-101d) Pick-up unit7) Pick-up camF-4-1024.5 Adjustment and Setup Items4.5.1 Procedure after Replacing the Feed Roller HP Sensor or Feed Roller Encoder 0012-6480Procedure after replacing the feed roller HP sensor or feed roller encoderFeed roller eccentricity is factory-adjusted (correction of variation in the paper feed amount per rotation). It is necessary to adjust feed roller eccentricity after re-placing the feed roller HP sensor or feed roller encoder.In the service mode, perform automatic adjustment of feed roller eccentricity.Service mode : SERVICE MODE > ADJUST > PRINT PATTERN > LF TYNINGMedia type : Photo glossy paperMedia size : Media having awidth equal to or larger than that of A2-size paper4.5.2 Procedure after Replacing the Carriage Unit or Multi Sensor 0012-6486a) Multi Sensor RecalibrationSince multi sensors have individual electrical specificity, the following are recalibrated at the factory, namely, the optical axis of the sensor, the sensor gain formeasuring the printhead height and color reproduction. Accordingly, carry out the following adjustments in the service mode whenever replacing the carriage unitor multi sensor.The multi sensor reference plate must be replaced at the same time whenever the carriage or the multi sensor is being replaced.* Service mode : SERVICE MODE > ADJUST > GAP CALIB* Service mode : SERVICE MODE > ADJUST > SENSOR CALIBTest chart : CL-7( Tool No. : FY9-9323 Use anew chart.)* Service mode : SERVICE MODE > ADJUST > PRINT PATTERN > OPTICAL AXISMedia type : Photo glossy paperMedia size : Media having a width equal toor larger then that of A2-size paperb) Adjusting the wire rollerTo prevent the wire roller mounted on the carriage from contacting the duct and others during carriage operation, perform the following adjusutment whenever touhave removed or replaced the carriage unit. This adjustment is not required when you have replaced only the multi sensor.PG 641Approx.20mgPG-641Approx.12mg