xvi
OPERATION GUIDE
3. Optical unit
When checking the optical unit, avoid direct exposure to the laser beam, which is invisible. Shown at below is
the label located on the cover of the optical unit.
4. Maintenance
For safety of the service personnel, follow the maintenance instructions in the other section of this manual.
5. Safety switch
The power to the laser unit is cut off when the front cover is opened.
Summary of Contents for TASKalfa 420i
Page 22: ...xx OPERATION GUIDE ...
Page 72: ...Preparation before Use 2 34 OPERATION GUIDE ...
Page 160: ...Copying Functions 4 38 OPERATION GUIDE ...
Page 310: ...Default Setting System Menu 8 78 OPERATION GUIDE ...
Page 324: ...Maintenance 9 14 OPERATION GUIDE ...
Page 354: ...Troubleshooting 10 30 OPERATION GUIDE ...
Page 382: ...Management 11 28 OPERATION GUIDE ...
Page 385: ...OPERATION GUIDE Appendix 3 B1 A2 DP OP T1 Key Counter FAX Kit Expansion Memory ...
Page 414: ...Appendix 32 OPERATION GUIDE ...
Page 424: ...MEMO ...
Page 425: ...MEMO ...
Page 426: ......
Page 427: ......
Page 428: ...First edition 2009 7 Printed in China 302KR56040 ...