DEVELOPMENT
B044/B045/B046 6-38 SM
6.12.5 TONER SUPPLY IF SENSOR READING IS ABNORMAL
ID Sensor
Any of the following is considered abnormal:
• Vsg ≤ 1.65 (when Vsg is read)
• Vsg < 2.31 (at maximum power)
• Vsp ≥ 1.65
• Vt ≥ 2.64 or Vt < 0.20
Current readings can be viewed using SP2-221.
TD Sensor
The reading is considered abnormal if TD < 0.20 V or TD > 2.64 V. Abnormal
readings 10 times in succession will generate SC 390. The current reading can be
viewed using SP2-220.
6.12.6 DETECTION OF TONER NEAR END AND TONER END
Toner Near End detected when either of the following occurs...
• Vt is at level 6 (see above table) five times in succession
• Vt > 1.85 five times in succession
Toner End detected when any of the following occurs....
• (Vt is ≥level 6 and Vt > 1.85) n time in succession, where n is 50 by default but
can be changed to 20 using SP2-213. (Note that n corresponds to the number
of sheets that can be printed before Toner Near End changes to Toner End.)
• Vt is at level 7 three times in succession.
• Vt > 2.00 three times in succession
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