Ricoh VT3500, Руководство по обслуживанию

Страница: 34 / 330

Index No. Name Function
37 Drum Rotation Switch Informs the CPU to rotate the drum at
10 rpm.
41 ADF Safety Switch Cuts the power line of the paper table
drive motor off when the ADF is open.
46 Master Eject Unit
Safety Switch Cuts off the power line of the paper
table drive motor when the master eject
unit is open. (Also, cuts off the power
line of the main motor in the 220/240 V
version machines.)
60 Master Cut Button Informs the CPU to cut the master
paper leading edge.
62 Drum Unit Safety
Switch Checks whether the drum unit is set
correctly or not.
72 Master Eject Box
Switch Checks whether the master eject box is
set correctly.
78 Right Cutter Switch Detects when the cutter position is far
right (non-operation side).
82 Left Cutter Switch Detects when the cutter position is far
left (operation side).
Printed Circuit Board
8 CCD PCB Converts light intensity into an electrical
signal.
10 A/D Conversion PCB Converts the analog signal into a digital
signal.
17 Paper Detection PCB Detects the size of the paper set on the
table.
18 Cassette Size
Detection PCB Detects the size of the cassette set on
the table.
20 Image Processing
PCB Controls the image processing
performance.
24 Main PCB Controls all machine functions both
directly and through other boards.
55 AC Drive PCB Controls the AC component by relays.
59 Ink Detection PCB Controls the ink supply.
74 Thermal Head Drive
PCB Supplies the power to the thermal head
according to the signal from the
scanner section.
1 December 1993
1-20