Ricoh D072 Service Manual page 317

System Service Mode (F/SPF: D068/D069)
Cleaning
2301 4 Adjusts the current applied to the transfer roller for roller cleaning. Increase
the current if toner remains on the roller after cleaning. (Remaining toner may
cause dirty background on the rear side.)
2802 Forced Develpr Churn
Initializes the developer and checks the TD sensor output (Vt). The machine
mixes the developer for 2 minutes while reading and displaying the Vt value.
The machine does not initialize the TD sensor output. If the machine has not
2802 1
been used for a long period, prints may have a dirty background. In a case
like this, use this SP to mix the developer. The message "Completed" is
displayed when the program ends normally.
Tailing Crctn
2906*
Shift value
2906 1 Shifts the image position at the intervals specified by SP2-906-002. When the
copier is continuously printing vertical lines (such as in tables), the paper may
not separate correctly. This SP can prevent this.
Interval
2906 2
Changes the interval of the image position shift specified by SP2-906-001.
2908 Forced Toner Supp
Supplies the toner to the development unit. The processing stops under
either of the following conditions:
2908 1
The toner density in the development unit reaches the standard level.
The processing has continued for two 2 minutes.
D067/D068/D069/D072
[–10 to 1 / –1 / 1 μA/step]
[0.0 to 1.0 / 0.0 / 0.1 mm/step]
[1 to 10 / 1 / 1 page/step]
5-8 SM Appendix