Toshiba E-STUDIO190F Service Manual page 117

4.7.1.1.
Low Toner Messages / Operation
The Toner Cartridge Yield is approximately 5,000 pages using Letter or A4 size paper and 5% Black
coverage, however, the maximum yield will not exceed 6,000 pages.
The machine controls the printer to maintain good print quality by controlling the Bias Voltage with the Low
Toner Sensor and the Print Counter.
There are three Toner warning LCD Displays:
LCD 1: [TONER IS RUNNING LOW: U13]
Low Toner sensor detects Low Toner or the machine has printed 5,500 pages.
Preparing a new cartridge for replacement is recommended.
LCD 2: [WARNING TONER LOW LESS THAN 50 PAGES]
450 pages have been printed since the LCD 1 appeared.
Replacement with the new cartridge is recommended.
LCD 3: [OUT OF TONER: U13]
50 pages have been printed after LCD 2 appeared or 6,000 pages have been printed.
Replace with the new cartridge.
When replacing with a New Cartridge, perform the steps below to reset the Print Counter.
1. Press "FUNCTION" key.
2. Press "7" and "8 keys.
3. Press "SET" key.
4. Press "5" to enter "05 TONER REPLACEMENT? PRESS SET TO SELECT".
5. Press "SET" key, then "TONER REPLACEMENT? 1:Yes 2:No".
6. Press "1" key to reset the Print Counter.
7. Press "STOP" key to return to the Standby mode.
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