The machine creates correction patterns, measures the image position by reading the correction patterns, and corrects the writing position.

 

Operative Condition

Notes

1

Power switch just turned on, or recovering from the energy save mode

Mode b or Mode a is done

See notes *1 and *2 below.

2

When printing (when the temperature has changed by a certain amount since the previous job ended, or when the number of pages printed becomes more than a set number)

Mode b is done

3

End of printing (when the temperature has changed by a certain amount since the previous job ended, or when the number of pages printed becomes more than a set number)

Mode b is done

4

Front cover opening/ closing (when the temperature has changed by a certain amount since the previous job ended)

Mode b is done

5

Waiting (when the temperature has changed by a certain amount since the previous job ended, and when the number of pages printed becomes more than a set number))

Mode b is done

6

New detection of the PCDU/ image transfer belt

Mode a is done

*1 Mode a: adjusted two times

*2 Mode b: adjusted once