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Chapter 4

4-19

b) Mounting the carriage belt

To install the carriage belt, put in the point of the belt to the interior of the groove [1], and have all the cogs of carriage belt [3] engaged with belt stopper [2].

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c) Note on replacing the carriage unit and the multi sensor

When either carriage unit or multi sensor has been replaced, be sure to replace the multi sensor reference plate(QL2-2089: MOUNT, SENSOR ADJUSTING) as

well.

d) Action to take after replacing the carriage unit and the multi sensor

Because the distance between the multi sensor (in the carriage unit) and the nozzles (in each printhead) is varied from one unit to another, the printer has its optical

axis corrected and paper gap adjustment sensor gain and sensor calibration adjusted prior to shipment. When the carriage unit or multi sensor has been replaced,

they should require adjustment.

Execute service mode under the following conditions to launch automatic adjustment:

1) Carry out the following service mode without media loading.

- Service mode : SERVICE MODE > ADJUST > GAP CALIB.

2) Load the following media.

Media type : Photo glossy paper

Media size : Media having a width equal too larger than that of A2-size paper

3) Carry out the following service mode.

- Service mode : SERVICE MODE > ADJUST > PRINT PATTERN > OPTICAL AXIS

e) Precautions against handling the carriage shaft

The carriage shaft is functionally important part. Therefore, be sure to note the following points.

- Do not touch the shaft.