Minolta Di620, Manual, Page: 313 / 466

D-2
<Identification of Fuses and Circuit Breakers>
1) Precautions for Handling the Laser Equipment
•
The laser used in this copier is a semiconductor laser having the following specifications.
* When laser protective goggles are to be used, select ones with a lens conforming to the above
specifications.
•
When a disassembly job needs to be performed in the laser beam path, such as when working
around the printerhead and PC Drum, be sure first to turn the copier OFF.
•
If the job requires that the copier be left ON, take off your watch and ring and wear laser protective
goggles.
•
A highly reflective tool can be dangerous if it is brought into the laser beam path. Use utmost care
when handling tools on the user’s premises.
•
The printerhead is not maintainable in the field. It is to be replaced as an assembly including the con-
trol board. Never, therefore, attempt to remove the laser diode or adjust trimmers on the control
board.
Exposure Lamp Holder
UN11 121°C
Upper Fusing Roller Thermal Fuse
TF1 220°C
SCP Board
PWB-IC 250V 3A (F1)
250V 2A (F2)
Lower Fusing Roller Thermal Fuse
TF2 170°C
Power Supply Board
PWB-C 250V 3A (4pcs.)
1155D001AB
Circuit Breaker 1
CB1 20A
DC Power Supply
PU1 125V 15A
Max. power : 15mWx2
Output wavelength : 780nm