Page 11 - MF3010Series Service Manual (Rev.0) (1)-017-045 (1)

2 Technical Overview > Laser Exposure System > Service Works > Notes on service works
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■ Scanner Motor Fault Detection Service Works
This is the detection of faults in the laser scanner unit. ■ At parts replacement
When the laser scanner unit falls into either of the following status, the engine controller
judges it as a fault in the laser scanner unit system and notices the status of fault to the main No work is required for this product at parts replacement.
controller.
The operations of the host machine are stopped. ■ Maintenance
No periodically replaced parts, durable parts or periodical service is set for this product.
1. Fault in BD input
At startup of the scanner, /BDI signal cannot be detected within 0.1 sec from the completion
of forced acceleration of the Scanner Motor (M2). ■ Notes on service works
2. Fault in startup None.
During activating the Scanner Motor (M2) at startup of the scanner, the motor rotation
exceeds the specified range (98.3 to 102.1%).
3. Fault in control
After startup of the scanner completes correctly, /BDI signal exceeds the specified value of
cycle 10 consecutive times.

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2 Technical Overview > Laser Exposure System > Service Works > Notes on service works