Laser Unit; Overview - Toshiba e-STUDIO4500c Service Manual

August, 2006

6.7 LASER UNIT

6.7.1 OVERVIEW

4 5
Y
3
2
1
18
Y
17
NOTE: LSDB = Laser Synchronization Detection Board
1. WTL Lens (C)
2. WTL Lens (Y)
3. Dual-Layer f Lens (C, Y)
4. LSDB (Y Front)
5. LSDB (C Front)
6. LD Unit (C)
7. LD Unit (Y)
8. LD Unit (K)
9. LD Unit (M)
LD Units
Line Scan Mechanism
Image Position Correction
7
6
C
C
C
Y
C
4, One two-beam LD unit for each color (C, M,
Y, K)
Main scanning with polygon mirror
MUSIC sensor patterns read from ITB with
MUSIC sensors
6-43
8
9
Y K
M
M
M
M
10. LSDB (M Rear)
11. LSDB (K Rear)
12. Dual-Layer f Lens (M, K)
13. WTL Lens (M)
14. WTL Lens (K)
15. LSDB (K Front)
16. LSDB (M Front)
17. LSDB (C Rear)
18. LSDB (Y Rear)
LASER UNIT
10
11
K
12
13
14
15
K
K
16
B132D002.WMF