Ricoh C226 Service Manual page 44

INDEX
NAME
No.
54 Ink Detection PCB
63 Power Supply PCB
66 AC Drive PCB
Counters
45 Copy Counter
46 Master Counter
Others
2 Transformer
Reverse Roller Clutch
31
36 Thermal Head
61 Encoder
NOTE: 1) The Master Eject Unit Safety Switch in the 220 V machines cannot
be disabled by this test switch.
2) When you use the test switch, return the switch to its open
position after servicing in order to recover the cover safety
functions.
SM
ELECTRICAL COMPONENTS LAYOUT
FUNCTION
Checks if the ink is present in the drum.
Rectifies 100 V ac input and supplies dc voltage.
Controls the ac components using relays
Keeps track of the total number of copies made.
Keeps track of the total number of masters made.
Steps down the wall voltage.
Transfers master feed motor rotation to the reverse
roller at proper timing.
Burns the image onto the master.
Converts 16 image positions to 4 bit data.
1-19 C226