CITIZEN S4000DCM - Manual (Page 27)

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4.6 Error Indication
● Paper end
Paper out is detected in two steps: paper near-end and paper end. ERROR LED will
light when the paper is empty. If paper end is detected, refill the paper. If the printer
cover is open, a paper-end is detected.
● Printer cover open
During printing, do not open the printer cover. If you open the printer cover accidentally,
the ERROR LED blinks. Check the paper, pull the paper straightforward several cm (or
inches) out of the printer, and then close the printer cover. Printing resumes
automatically. Sending a command to resume printing may be required depending on
the memory switch setting.
● Cutter lock
If the cutter blade stops operating due to paper jam or the like, the ERROR LED blinks.
Remove the cause of the trouble and press the FEED button. If the blade still does not
move and the printer cover cannot be opened, refer to the section 4.7.
● Thermal head overheat
When you print dense characters or dark image, the head temperature rises. If the
head temperature exceeds a specified level, the printer stops printing operation and
waits till the head temperature is lowered. During waiting, the ERROR LED blinks.
When the head temperature is lowered, printing resumes automatically.
● Paper jam error
If paper feeding is not normal and paper jam occurs in the platen, etc., printing and line
feed operation stop and ERROR LED blinks.
● Power switch operation error
If you turn power on again just after powering off, an error may occur.
Before turning power on again, wait till POWER LED goes off completely after powering
off.
● Black Mark detection error (in Black Mark mode)
When Black Mark cannot be detected even if a certain amount of paper feed is
carried out for Black mark detection, a Black Mark detection error occurs. If black
detection continues more than the specified period, a No Paper condition is
assumed and the same error as No Paper is indicated.
● Waiting for paper (label) cutting
If the “GS+FF” command is executed under the condition that auto cutter operation
is disabled (memory switch 2-2 is OFF), label paper is ejected and ERROR LED
blinks. When the FEED switch is pressed under this circumstance, paper returns
to the starting position of printing and ERROR LED goes off.
● Paper (label) detection error
If detection is not available even with paper feeding of given amount for detecting
space between labels or label paper, ERROR LED blinks. In this case, adjust the
sensor in the paper sensor adjustment mode. If no detection occurs even after
the sensor adjustment, replace the label paper. If replacing label paper is not
effective for detection, the sensor, etc. may be faulty (degraded). Contact the
service representative.