Ricoh pro c901 - Page 464

Technical Bulletin PAGE: 12/75
Reissued:21-Apr-14
Model: Aries-P1.5/C1.5
Date: 10-Mar-14
No.: RM077107b
-Toner degradation-
Flowchart for mottled effect on rough surfaced paper
Consumed toner
Dev unit
Toner is supplied proportionately
to its consumption rate.
Mixing process applies
stress to toner.
Average coverage is 4% or lower.
Toner stays in the dev unit for an
extended time and is applied with a
lot of stress in the mixing process.
Change in the toner characteristics
reduces the transferability.
Density inconsistency;
mottled effect
Make sure the customer agrees to the following
adjustments to resolve the mottled effect.
Perform calibration for the paper in use by the customer.
Results accepted by customer?
Finish
No further adjustments available; spec limit of the machine
Finish
YES
NO
YES
NO
Results accepted by customer?
Procedure 1: Calibration
Procedure 2: Screening
Setting
Modify the screening setting and make sure the image resolution is accepted
by the customer. Perform calibration with the modified screening setting.