Sharp AM-900 Service Manual page 105

17
ADF SCAN DOCUMENT not feed
paper-feed failure
"DOCUMENT JAMMED"
18
Copy Image Quality (too light/too
dark/noisy)
Error
Abnormal data
F
Front Sensor
sense failure
(Flatbed scan start)
ORG Sensor
message sense failure
Scanner motor stall IC1 (Main CPU)
IC12 (driver) and
its peripheral parts
Q5/Q6 (Tr)
C,R on route
of IC1~IC12
CIS control fail
JBIG data error
Print data error
5 – 32
IC1 (Main CPU)
CNFRT
connector
C,R on route of
CNFRT~IC1
IC1 (Main CPU)
CNORG
connector
C,R on route of
CNORG~IC1
CNCIS
VIDEO Signal fail
connector
C,R on route of
CNCIS-1pin~IC1
C,R on route
of IC1~IC14~CNCIS
CNCIS-8~11pin
CIS LED not Light
and its peripheral
Q29~Q34 (Tr)
C,R around
IC1,IC36 and Q29~Q34
IC36 (Regulator)
IC4 (SDRAM)
IC4~IC1
IC21 (Printer CPU)
IC1-201pin~IC15
~IC23
X2(27.5549MHz X'tal)
and its peripheral
X2~IC3
~IC1-133pin
AM-900U