Halftone (TYPE=5/6/11/12/13/14)

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Halftone (TYPE=5/6/11/12/13/14)
NOTE:
When outputting a halftone test print, be sure to use PG TYPE:6 except in the following cases.
1. When checking the image of side registration adjustment, use PG TYPE:11.
2. When the setting value of the following service mode is "2"
(TBIC is used for both the photo part and the text part), use PG TYPE:5.
COPIER > OPTION > USER > PH-D-SL2

Check item | Check method | Assumed cause
Transfer failure | Check the evenness of halftone density. Check whether uneven image or foggy image appears. | Transfer system failure or transfer roller failure is considered.
Black line | Check whether black lines appear on the image. | Laser light path failure, grid failure, developing system failure, cleaning (drum) failure or transfer roller failure is considered.
White line | Check whether white lines appear on the image. | Developing system failure is considered.
Uneven pitch | Check whether lines appear on the image in the horizontal scanning direction. | Drum failure, developing system failure, laser exposure system failure or drive-related failure is considered.
Uneven density (rear/front) | Check the density difference between the front and rear sides. | Drum failure or developing system failure is considered.
Side registration | Check the left margin. | Floor at the installation site is extremely distorted, or the feed system failure is considered.
Shock | Check whether horizontal lines appear on the image. | Rollers’ feed system failure or laser exposure system failure (drum, Laser Scanner) is considered.