Ricoh pro c901 - Page 472

Technical Bulletin PAGE: 20/75
Reissued:21-Apr-14
Model: Aries-P1.5/C1.5
Date: 10-Mar-14
No.: RM077107b
Troubleshooting toner degradation
Procedure 1: Toner refresh adjustment
Modify the following SP to increase the toner refresh amount.
1-1. Confirm the current value in SP3-701-009 (Max Pattern Length) is “25”.
1-2. Modify the SP values indicated in red in the following table.
NOTE 1: Make sure the values for C, M and Y are the same.
NOTE 2: Toner yield will decrease on devices with 4% or lower average coverage.
3-701-009
Toner Refresh Mode: Max Pattern Length
[0 to 25 / 25 / 1 mm]
Toner Refresh Mode DFU
Default
K: 5%
Color: 2.5%
Modified
K: 5%
Color: 3.8%
3-701-001
Image Area: K
12.5
12.5
3-701-002
Image Area: C
6.0
9.4
3-701-003
Image Area: M
6.0
9.4
3-701-004
Image Area: Y
6.0
9.4
3-701-005
Image Area Thresh: K
12.5
12.5
3-701-006
Image Area Thresh: C
6.0
9.4
3-701-007
Image Area Thresh: M
6.0
9.4
3-701-008
Image Area Thresh: Y
6.0
9.4