Developer required, Maintenance required – Sharp AR-156 User Manual
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DEVELOPER REQUIRED
When the
indicator lights up, the developer should be replaced.DEVELOPER
REPLACEMENT SHOULD ONLY BE DONE BY AN AUTHORIZED SHARP SERVICE
TECHNICIAN. Contact your service center as soon as possible.
MAINTENANCE REQUIRED
When
indicator lights up, service by an authorized SHARP service technician is required.
Contact your service center as soon as possible.