Gestetner B070 Service Manual page 334

SERVICE CALL CONDITIONS
SC342: TD Sensor Error 3 (TD Sensor Adjustment Error)
Definition [B]
The TD sensor output voltage is not adjusted to 2.5 ± 0.1 V within 20 s during
automatic TD sensor initial setting.
NOTE: When an abnormal condition is detected, "0" is displayed for SP2906
(Vcont Manual Setting).
Possible Causes
• TD sensor defective
• TD sensor harness defective
• TD sensor connector defective
• IOB defective
• Toner supply defective; check the toner supply path from the toner bank
through to the hopper
• BCU defective
SC345: Development Bias Leak
Definition [B]
Maximum PWM for the development bias signal was applied 10 times for 60 ms.
Possible Causes
• CBG power pack defective
• Defective or disconnected harness between CBG power pack and
development unit
• Defective harness connector
B070/B071
CÓPIA NÃO CONTROLADA
4-14
CÓPIA NÃO CONTROLADA
SM