Olympus OEP-3, Service Manual

Page: 173 / 176

(iii)
OEP-3 V1 (UC)
(iii)
Symptom
—
—
—
—
—
—
—
Symptom
—
—
—
—
—
—
—
Symptom
Thermistor is shorting (1.9 V or less).
Harness is not inserted into thermal head (4.0 V or more).
Thermistor is shorting (1.9 V or less).
Harness is not inserted into SE-539 board (4.0 V or more).
Thermistor is shorting (1.9 V or less).
Harness is not inserted into SE-555 board (4.0 V or more).
Nothing can be read or written correctly.
Board/REF Check item
SE-542 board/PH3 Printing paper is inside mechanism deck.
SE-544/PH5,D1 End of ribbon
SE-544/PH6,D2 Ribbon cartridge is not set.
SE-553 board/PH18 Printing paper is not set.
SE-551 board/PH16 EJECT_TMG sensor is on.
SE-550 board/PH15 LOAD_TMG sensor is on.
Board/REF Check item
SE-542 board/PH . Connector connection
.
Defective parts
SE-544 board/PH6,D2 . Sensor is on because of mechanism assembly error.
SE-553 board/PH18
SE-551 board/PH16
SE-550 board/PH15
SE-560 board
Board/REF Check item
Thermal head . Connector connection
. Thermal head
SE-539 board/TH1 . Connector connection
.
Defective parts
SE-555 board/THP1 . Connector connection
. Defective parts
.
Defective parts
NG_CODE0
NG command NG data Contents of NG
h’E0 BIT 6 PP_JAM_ERROR
BIT 5 END_OF_RIBBON
BIT 4 NO_RIBBON
BIT 3 NO_PAPER
BIT 2 REMOVE_PRINTS
BIT 1 REMOVE_PRINTS
BIT 0
NG_CODE2
NG command NG data Contents of NG
h’E2 BIT 6 PP_JAM sensor
BIT 5
BIT 4 RBN_CST sensor
BIT 3 PAPER sensor
BIT 2 EJCT_TMG sensor
BIT 1 LOAD_TMG sensor
BIT 0 KICK_OUT sensor
NG_CODE3
NG command NG data Contents of NG
h’E3 BIT 6 head thermistor
BIT 5
BIT 4 room thermistor
BIT 3
BIT 2 platen thermistor
BIT 1
BIT 0 EEPROM ERROR
NG Command List 2
A way looking the list: For NG_CODE2, h’42 = 0100 0010 (Refer to HEX code converting as binary)
NG sensors are located in the first bit (LOAD_TMG sensor) and sixth bit (PP_JAM sensor).