Scanner Motor Fault Detection; Service Tasks; At Parts Replacement; Maintenance - Canon L100 Service Manual

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Technical Overview > Laser Exposure System > Service Tasks > Notes on service tasks

■ Scanner Motor Fault Detection

This is the detection of faults in the laser scanner unit.
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
controller.
The operations of the host machine are stopped.
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).
2. Fault in startup
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.
2 Technical Overview > Laser Exposure System > Service Tasks > Notes on service tasks

Service Tasks

■ At parts replacement

No task is required for this product at parts replacement.

■ Maintenance

No periodically replaced parts, durable parts or periodical service is set for this product.

■ Notes on service tasks

None.
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