Toshiba e-STUDIO556 Service Manual page 88

• When a sheet of paper is fed, the feed sensor (S34, 40, 46, 52) is not turned ON after the feed
clutch (CLT6, 8, 10, 12) is turned ON.
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Paper jam (E130, E140, E150, E160, E180, E190: The error codes change depending on the
drawer used.)
(D) The developer unit is not installed properly.
Disconnecting the connectors of the developer unit
↓
"Developer unit not installed" appears.
Solution: Connect the connectors of the developer unit and close the front cover (lower).
(E) Replacing the toner cartridge
The toner cartridge empty sensor (S10) detects that there is no more toner left in the cartridge.
↓
Open the front cover (upper) and replace the toner cartridge.
↓
↓
(The toner cartridge is not replaced.)
↓
The toner density becomes low.
↓
The auto-toner sensor (S12) detects that there is no more toner left in the cartridge.
↓
Control circuit → The copying operation is disabled.
Solution: Replace the toner cartridge with a new one.
(F) Replacing the toner bag
• The toner bag becomes full of used toner.
↓
The used toner transport auger moves to the feed side: The toner bag full detection sensor (S11) is
turned ON.
↓
"Replace toner bag" appears.
Solution: Have your service engineer replace the toner bag with a new one and clear the value of
08-4541 to 0.
• The toner bag full detection sensor (S11) is turned ON during copying.
↓
The copying stops after the last sheet copied is discharged.
Solution: Have your service engineer replace the toner bag with a new one and clear the value of
08-4541 to 0.
(G) Call for service
Check the error code displayed on the control panel when "Call for service" appears, and handle the
abnormality in reference to the error code table in the Service Handbook.
e-STUDIO556/656/756/856(Ver03)
OUTLINE OF THE MACHINE
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