Seiko Instruments SII Black-and-White Raster Plotter LP-1020 - Manual (Page 247)

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▼Error log
Chapter 14 Troubleshooting
Type of Error Log
The errors are classified as follows.
The following log examples show the information saved in the log file.
Service Call Error (Classification: E)
Description : An unrecoverable error that needs service person's
intervention.
Cause : Hardware or firmware is faulty.
Measure : If the device does not recovered from this error after
turning the power off and on, please notify your dealer or
our service center of the displayed error message and
error condition.
*Log example of hard disc error
“E E56E-0401”
Operator Call (Classification: O)
Description : An error that the operator can fix.
Cause : No paper, no toner or paper jams.
Measure : Fix the cause to restore the device to its normal state.
*Log example of door open
“O DOOR2 open”