42114101 Rev.1
28 /
(4)
Overheat alarm
(a)
Head overheat alarm
The voltage of the output HTEMP signal of the thermistors, one of which is contained
in the print head and the other in the SP/LF driver, is monitored by the A/D port of
the MPU to control the voltage.
Mode and print control
Stop
Mode up
Mode down
Temp
132
°
C
122
°
C
118
°
C
• Mixing Image and Characters
• Only Image
• When the temperature is between122
°
C and 132
°
C, the mode switches sequentially
to higher level. When the temperature falls below 118
°
C, the mode switches to lower
level.
• When the temperature exceeds 132
°
C, printing will stop.
• When temperature gradient is steep, higher mode shall be specified directly.
Mode
1
2
3
4
5
6
7
PrintSpeed
100%
100%
100%
90%
80%
70%
Stop
DUTY
100%
87%
30%
13%
9%
5%
0%
Pass
1
1
1
1
1
1
—
Direction
---
Stop Printing
Until restoration
Mode
1
2
3
4
5
6
7
PrintSpeed
100%
85%
70%
55%
40%
30%
Stop
DUTY
100%
87%
30%
13%
9%
5%
0%
Pass
1
1
2
2
2
2
—
Direction
---
Stop Printing
Until restoration
Содержание ML490 Series
Страница 1: ...42114101 Rev 1 1 135 ML490 491 PRINTER Maintenance Manual ODA...
Страница 2: ...42114101 Rev 1 2...
Страница 38: ...42114101 Rev 1 38 Drive gear Ink tank Ribbon cartridge Figure 2 6...
Страница 48: ...42114101 Rev 1 48 Change arm Change lever Platen Release cam Figure 2 13 REAR TOP BOTTOM...
Страница 96: ...42114101 Rev 1 96 9 Carriage Assy NK2 10 SUS Bearing portion of guide roller EM 30L B...
Страница 119: ...42114101 Rev 1 119 6 8 9 7 1 2 3 11 10 4 5 Figure B 2 Printer General Assy...
Страница 124: ...42114101 Rev 1 124 9 12 11 1 13 3 7 1 14 5 6 7 2 10 8 Figure B 4 Carriage Assy...
Страница 126: ...42114101 Rev 1 126 Figure B 5 Option Spare Parts Pull Tractor Bottom Tractor I F Board 3 2 1 4 5 6 7...
