Nov. 1997 © TOSHIBA
7 - 21
4560/4570 OPTICAL
7.7.7
Exposure lamp and thermal fuse
(1)
Remove the original glass and the rear top cover.
(2)
Move the carriage 1 to the position that the lamp
terminal is visible.
(3)
Remove the exposure lamp while bending the
power supply blade. Attention should be paid
so as not to touch the lamp surface. (It may
lead to uneven exposure.)
Note: During installation, position the lamp so that
theTOSHIBA mark faces to the front. Moreover,
the projection on the exposure lamp should
face to the exit side.
Lamp
Projection
Reflector
(4)
To replace the thermofuse, remove the 2
screws.
Thermal fuse
Exposure lamp
Exit side
7.7.6
Automatic paper-size detector
(1)
Remove the original glass.
(2)
Remove the 3-beam sensor (2 screws, 1 con-
nector).
(3)
Remove the reflecting photosensors (1 screw,
1 connector).
3-beam sensor
Reflecting photosensor
Reflecting photosensor
3 beam sensor
Reflecting photosensor
[Front side]
[Rear side]
[A4 series]
[LT series]
Summary of Contents for 4560
Page 210: ...Nov 1997 TOSHIBA 13 43 4560 4570 ADU 13 8 7 Harness connection diagram ...
Page 213: ...4560 4570 ADU 13 46 Nov 1997 TOSHIBA 13 8 9 PC board assembly ...
Page 238: ...Nov 1997 TOSHIBA 14 25 4560 4570 CIRCUIT DIAGRAMS 14 5 Power Supply Circuit PS ACC A 115V ...
Page 239: ...4560 4570 CIRCUIT DIAGRAMS 14 26 Nov 1997 TOSHIBA B 230V ...
Page 243: ...Nov 1997 TOSHIBA 16 1 4560 4570 PC BOARD 16 PC BOARD ASSEMBLY 16 1 PWA LGC ...
Page 244: ...4560 4570 PC BOARD 16 2 Nov 1997 TOSHIBA 16 2 PWA PNL ...
Page 245: ...Nov 1997 TOSHIBA 16 3 4560 4570 PC BOARD 16 3 PWA KEY1 16 4 PWA KEY2 ...
Page 246: ...4560 4570 PC BOARD 16 4 Nov 1997 TOSHIBA 16 5 PWA ERS ...
Page 247: ...Nov 1997 TOSHIBA 16 5 4560 4570 PC BOARD 16 6 PS ACC A 115V ...
Page 248: ...4560 4570 PC BOARD 16 6 Nov 1997 TOSHIBA B 230V ...
Page 249: ...Nov 1997 TOSHIBA 16 7 4560 4570 PC BOARD 16 7 PS HVT ...
Page 342: ...4560 4570 RADF 18 84 Nov 1997 TOSHIBA 18 16 2 Control PC board circuit PWA F LGC 770 ...
Page 343: ...Nov 1997 TOSHIBA 18 85 4560 4570 RADF 18 16 3 Harness connection ...