42114101 Rev.1
98 /
Note:
BLINK1 : 400ms ON, 400ms OFF
BLINK2 : 200ms ON, 200ms OFF
—
: LED is kept in Current Condition (no change)
6.3
Lamp Display
(1)
Printer mode display
Table 6.2
(2)
Fault alram display
When the printer detects any of the various alarm states, the information is displayed as
shown below on the operation panel. The alarm is specified by lamp combination of PRINT
QUALITY and CHARACTER PITCH. (See Table 6.3 for details.)
Figure 6-1
ALARM
CATEGORY
ALARM
LED CONDITION
CONTENTS
TROUBLE
SHOOTING
ALARM
SEL
MENU 10CPI
15CPI
OPERATOR
ALARM
Paper end alarm
ON
OFF
From, cut sheet or bottom
paper end
Set New paper.
Paper change
lever alarm
ON
OFF
BLINK
1
OFF
Change lever is set to TOP
position while paper is
already inserted from rear or
bottom.
Set the lever to specified
position.
Check rear sensor lever.
Replace Control Board
Paper jam alarm
ON
OFF
OFF
BLINK
1
Cut sheet could not be
ejected.
Cut sheet could not be fed
properly
Remove the paper or check
feed Mechanism
Press SEL key.
Print Head
thermal alarm
OFF
BLINK
1
Print head temperature
exceeds 119¡C
Wait until it is cooled.
Replace P.H. or Control
Board
Space motor
thermal alarm
OFF
BLINK
1
Temperature of space motor
exceeds specified value.
It is recovered automatically
Replace SP motor or Control
Board
FATAL ALARM
BLINK
2
OFF
OFF
See Table 6.3
Hardware Alarm has
occurred.
See Table 6.3.
Summary of Contents for ML490 Series
Page 1: ...42114101 Rev 1 1 135 ML490 491 PRINTER Maintenance Manual ODA...
Page 2: ...42114101 Rev 1 2...
Page 38: ...42114101 Rev 1 38 Drive gear Ink tank Ribbon cartridge Figure 2 6...
Page 48: ...42114101 Rev 1 48 Change arm Change lever Platen Release cam Figure 2 13 REAR TOP BOTTOM...
Page 96: ...42114101 Rev 1 96 9 Carriage Assy NK2 10 SUS Bearing portion of guide roller EM 30L B...
Page 119: ...42114101 Rev 1 119 6 8 9 7 1 2 3 11 10 4 5 Figure B 2 Printer General Assy...
Page 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...
