Ricoh Pro C901 Technical Bulletin page 429

Model:
Aries-P1.5/C1.5, AG-P1/C1, AGL-P1/C1
Symptom 3
Image density appears uneven, and darker compared to the surrounding area, when
running the machine in a low temperature and low humidity environment.
Cause
Corona products penetrate the drum surface layer and change the charge characteristics.
Solution
Keep the exhaust fans running continuously to completely get rid of corona products from
the system by modifying the settings below.
Penetration
1. Enter User Tools
OFF.
2. SP1-940-03: Ozone fan timer setting (default: 56min)
Change this value to "1270" min.
SP1-940-04: Development fan timer setting (default: 56min)
Change this value to "1270" min.
SP1-202-01: Heating roller temperature in low power mode (default: 110 degrees C)
Change this value to "0" degrees C.
* See RTB RM077075a for details.
T
echnical
Corona products
OPC drum
System Settings
B
ulletin
Date:
29-Nov-13
Corona products
Air-flow
No penetration
OPC drum
Timer Setting, and set the Timer Setting to
PAGE: 5/6
No.:
RM077099