Service manual

FO-4700U
FO-47UC
8 – 5
[For inspection of Paper cassette PWB (FO-47UC)]
1) Connect all cables to the connectors of extension boards and check
PWB as shown in Fig.2 on page 8-3.
2) Connect the cable from the paper cassette to the connector (CN11A)
of the extension board (Printer-EX).
3) Connect extension transport cable (QCNW-4990SCZZ) to CN11B of
the extension board (Printer-EX) and CN11 of the check printer PWB.
Extension board connection diagram
Ref No. Cable parts code Description
CN11 QCNW – 4990SCZZ EX. Cable, 13-13 PIN
CHECK
PRINTER
PWB
CONTORL
PWB
PAPER
CASSETTE PWB
CONTROL
EXTENSION
BOAD
CN8
CN7
CN2
CN4
CN6
CN13
CN11
CN15
CN9
CN5
CN10
CN14
PRINTER
EXTENSION
BOAD
CN11B
CN11A
CN1B
CNPRTB
CN3
CNPRT
For inspection
of paper
cassette only
Fig. 4