Toshiba e-STUDIO 550, Service Manual

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e-STUDIO550/650/810 GENERAL OPERATION 4 - 10 JUNE 2002 © TOSHIBA TEC
• When a sheet of reversed paper is transported:
Transport sensor 1 not detecting paper in a certain timing
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“Clear paper” symbol ( ) displayed (E51, 52, 53, 54)
• When a sheet of paper is fed:
Feed sensor not turned ON after feed clutch has been turned ON
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“Clear paper” ( ) symbol displayed (E13, 14, 15, 16, 18, 19: Error codes change depending
on the cassette used.)
B-2) Add toner ( )
Toner density lowered
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Toner empty detected: Auto toner sensor
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Control circuit “Replace toner cartridge” symbol ( ) displayed: Copying cannot be started.
Solution: Open the front cover and replace the toner cartridge.
Toner supply operation: copying can be started.
B-3) Replace toner bag ( )
Toner bag becoming full with used toner
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Used toner transport auger moving to feed side: Toner bag full detection sensor ON
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“Replace toner bag” symbol ( ) displayed
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Toner bag full detection sensor turned ON during copying
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Copying stopped after the last sheet copied has been discharged
Solution: Replace to a new toner bag by a service technician.
B-4) Developer unit not installed properly
Developer unit desconnected
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“Developer unit not installed properly” displayed
Solution: Connect the developer unit connector and close the front cover.
C-1) Call for service
When the [CLEAR] and “8” keys are pressed simultaneously when the “Call for service” symbol is
blinking, an error code appears on the message display.
For the contents of the error codes, refer to the “SERVICE HANDBOOK”.
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