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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.