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6. SYSTEM MODE
EO18-33011
6.4 SELF-DIAGNOSTIC TEST
6-10
(4) EEPROM Check
EEPROM
OK
(5) SDRAM Capacity
SDRAM
8MB
(6) PC Card Slot Check
CARD
SLOT 1
ATA
SLOT 2
LAN
(7) Sensor Check
The status of the Print Head Thermistor, Environmental Temperature Thermistor, Heat Sink
Thermistor, Black Mark Sensor, Feed Gap Sensor, and Head Rank are printed.
SENSOR
[H]20
°
C [A]22
°
C [S]25
°
C [R]4.2V [T]2.5V [RANK]7
Print Head Resistance Rank Table
Rank Average resistance (ohm)
Rank Average resistance (ohm)
0
1409 to 1454
4
1219 to 1265
1
1361 to 1408
5
1171 to 1218
2
1314 to 1360
6
1124 to 1170
3
1266 to 1313
7
1076 to 1123
OK: Data in the check area can be properly read/written.
NG: Data in the check area cannot be properly read/written.
EEPROM (Backup Memory)
Capacity of DRAM
System/Painting memory
ATA:
ATA Card is inserted.
LAN:
LAN card is inserted.
FSH:
Flash memory card is inserted.
NO:
Unformatted ATA card/Flash memory
card or no card is inserted.
Slot
PCMCIA Card
Feed gap sensor status:
0.0 – 5.0V
Heat sink thermistor status:
25
°
C, 80
°
C, 90
°
C
Print Head Resistance Rank
0 – 7 (See Table below.)
Black mark sensor (Upper) status:
0.0 – 5.0V
Print head thermistor status:
0
°
C - 86
°
C
Environmental thermistor status:
0 - 86
°
C
If it is undetectable, “--
°
C “ is printed.