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November 2003 © TOSHIBA TEC 4 - 11 e-STUDIO3511/4511 GENERAL OPERATION
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B-2) Add toner ( )
Toner density becomes low
↓
Auto-toner sensor detects the absence of the toner
↓
Control circuit → “Add toner” is displayed: the copying operation disabled
Solution: Open the front cover and replace the toner cartridge with new one.
Toner is supplied → copying operation enabled
B-3) Developer unit not installed properly
Disconnection of the connectors of the developer unit
↓
“Developer unit not installed” is displayed.
Solution: Connect the connectors of the developer unit and close the front cover.
B-4) Toner bag replacement ( )
• Toner bag is full of used toner
↓
Toner recovery auger shifts to the rear side: Toner bag full detection sensor-1 ON
↓
“Dispose of used toner” is displayed
• Toner bag full detection sensor is turned ON during printing
↓
Printing is stopped after the paper being printed is exited
Solution: Replace the toner bag with new one and close the front cover.
C-1) Call for service
Error code is displayed instead of the set number by pressing the [CLEAR] button and [8] button
simultaneously when the “Call for service” is blinking.
Refer to the error code table in the Service Handbook.