Service manual

System Service Mode
D127/D128 3-20 SM Appendix
2915* Polygon Motor Idling Time
2915 1 Idling Time ADJ [0 to 60 / 10 / 1 sec/step]]
Adjusts before or after printing polygon
motor idling time.
2915 2 Post Idling Time ADJ
2921* Toner Supply Mode
2921 1
[0: Normal 1 / 1: Normal 2 / 2: Fixed 1 / 3: Fixed 2]
Selects the toner supply mode. Keep the default setting as long as the TD
sensor is working normally. (Default= 0)
2922* Toner Supply Time [0.1 to 5.0 / 0.5 / 0.1 sec/step]
2922 1
Adjusts the toner supply time. The toner supply motor remains on for the
specified time. Specify a greater value if the user tends to make many copies
having high proportions of solid black image areas.
2923* Toner Recovery Time [1 to 60 / 30 / 1 sec/step]
2923 1
Adjusts the toner supply time under the condition of “Toner End” or “Toner
Near End” detected.
2925* Toner Supply Ratio [0 to 7 / 0 / 1 /step]
2925 1
The ratio adjustment SP available only when “SP2-921-1” setting is “2
(Fixed1)”. Each value represents as follows:
0: x1
1: x2
2: x4
3: x8
4: x12
5: x16
6: Continuously supply
7: No supply