Lamp Display - Oki ML420 Maintenance Manual

6.3

Lamp Display

(1) Printer mode display
ALARM
ALARM
CATEGORY
Paper end alarm
Paper change
lever alarm
OPERATOR
Paper jam alarm
ALARM
Print Head
thermal alarm
Space motor
thermal alarm
FATAL ALARM
Note:
BLINK1 : 400ms ON, 400ms OFF
BLINK2 : 200ms ON, 200ms OFF
— : LED is kept in Current Condition (no change)
(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.)
42113901TH01 Rev.3
Table 6.2
LED CONDITION
ALARM SEL MENU 10CPI
ON OFF
— —
BLINK
ON OFF
—
1
ON OFF OFF
—
BLINK
OFF
— —
1
BLINK
OFF
— —
1
BLINK
OFF OFF See Table 6.3
2
Figure 6-1
CONTENTS
15CPI
From, cut sheet or bottom
—
paper end
Change lever is set to TOP
position while paper is
OFF
already inserted from rear or
bottom.
• Cut sheet could not be
BLINK ejected.
1 • Cut sheet could not be fed
properly
Print head temperature
—
exceeds 119°C
Temperature of space motor
—
exceeds specified value.
Hardware Alarm has
occurred.
Oki Data CONFIDENTIAL
TROUBLE
SHOOTING
Set New paper.
• Set the lever to specified
position.
• Check rear sensor lever.
• Replace Control Board
• Remove the paper or check
feed Mechanism
• Press SEL key.
• Wait until it is cooled.
• Replace P.H. or Control
Board
• It is recovered automatically
• Replace SP motor or Control
Board
See Table 6.3.
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