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UX-B800A
3 – 4
• MISSING NOZZLES (RESULT OF CHECK PATTERN
OR CLEAN NOZZLES)
MISSING MANY NOZZLES
CLEAN NOZZLES
NG
NG
YES
REPLACE ANOTHER CARTRIDGE
NO
CHECK IC AND CONNECTOR
CHECK THE SOLDER BETWEEN
CNPRT1,2 (CONTROL PWB) AND IC100
OK
OK
CHECK VPH(+10.8V) (CNPRT1-1,2PIN) (CNPRT2-1,2,3PIN)
NG
CORRECT SOLDER
NG
REPLACE IC600
NO
CHECK VPH(+10.8V) PATTERN
REPLACE CONTROL PWB
SHORT
CHECK RESISTANCE BETWEEN
VPH(+10.8V) AND GND, SHORT OR NOT.
NG
CHECK +30V (C603)
OK
CHECK +30V PATTERN
REPLACE CONTROL PWB
SHORT
CHECK RESISTANCE B30V
AND GND, SHORT OR NOT.
NO
NG
CHECK VCC(+5V) (CNPRT1-6PIN)
OK
CHECK +5V PATTERN
REPLACE CONTROL PWB
SHORT
CHECK RESISTANCE BETWEEN
+5V AND GND, SHORT OR NOT.
NO
Summary of Contents for UX-B800A
Page 118: ...UX B800A 7 9 MEMO ...