User manual CITIZEN CBM-520

[. . . ] Operation of this equipment in a residential area is likely to cause interference, in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference. This digital apparatus does not exceed the class A limits for radio noise emissions from digital apparatus, as set out in the radio interference regulations of the Canadian department of communications. 1 The information contained herein is subject to change without prior notice. Reproduction of part or all of this document is prohibited without written permission from CITIZEN SYSTEMS. [. . . ] Avoid operating the printer without roll paper properly loaded or with paper not complying with specifications. Avoid using torn pieces of paper or spliced with plastic adhesive tapes. To release, refer to "Removing Jammed Paper" in this manual. G Neglecting these cautions may result in printer malfunction or failure. Be careful that the printer cover does not entrap your hands or fingers. Paper cutter, gears, active electrical parts) while the printer is working. G If the printer emits smoke, an odd smell, or unusual noise while printing, immediately abort the current print session and unplug the printer from the supply outlet. When cleaning the printer, always turn it off and unplug it from the supply outlet. Never use organic cleaning solvent such as alcohol, paint thinner, or benzen. When transporting the printer, remove the roll paper from its paper holder. When cleaning the thermal head surface, use a cotton gauze slightly dampened with alcohol. Wipe off stains, such as dust and the like, on the heating element of the head using a cotton swab soaked in ethyl alcohol. Do not touch the heating element of the head with a bare hand or metal object either. It also blinks while the printer is waiting for a macro to be executed. FEED switch Pressing this switch briefly causes one line of paper feeding. While a macro is waiting to be executed, pressing the switch causes the macro to be executed. Lights (Four short beeps) × 2 Set a new paper (Four short beeps) × 2 roll. Lights Quick and slow blinking Three long beeps -- Slow blinking Lights -- Lights Quick and slow blinking Memory Check error: This error occurs if a memory read-after-write check or FROM sum check has resulted in an error (unrecoverable error). Cover open: When you open the printer cover, the cover open sensor is activated, causing the ERROR lamp to light and the printing operation to stop. (Not recoverable error) Head overheat: To protect the print head from overheating, the head temperature sensor is activated if the head temperature rises over approx. 65°C , causing the ERROR lamp to blink and the printing operation to stop. Printing resumes automatically when the head temperature lowers below approx. [. . . ] In Byte Mode, data is transferred by making 8 bit data lines bidirectional. Note that either mode cannot work simultaneously with Compatibility Mode, thus resulting in half-duplex transmission. The first letter "n" of each signal name indicates that the signal is active "L". If any one of the above signals is not available, bidirectional communication cannot be accomplished. [. . . ]