OKIDATA ML393C Plus, Руководство по обслуживанию

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Page: 135
Service Guide ML393/ML393CPlus
Chapter 4 Failure Analysis
4.6 FAULT ALARMS
4.6.01 General Information
When an error condition exists, the ALARM LAMP will flash. The operator panel is used to display printer
error conditions. The type of error condition can be determined by decoding the operator panel lamps.
Refer to the Alarm Codes Table in this section to identify both the error condition and the recommended
corrective action for each condition.
NOTE:
The Alarm Codes Table only applies in situations when the ALARM LAMP is flashing.
Alarm Codes Table
Print
Qualit
y Character
Pitch Alarm
Descriptio
n Alarm
Code Correctiv
e Action
LQ NLQ UT
L 15 17 20 PRO
P
ON ON MPU
Internal
RAM Error 11 Replace
control
board
ON O
N Program
ROM Error 12 Replace
Master
ROM
ON O
N ON Resident
CG Error 13 Replace
control
board
ON ON Slave
ROM/RAM
Error 21 Replace
Slave
ROM
ON O
N Slave/Mas
ter
Matching
Error 22 Replace
Master/Sl
ave ROM