•Check that media is loaded.
•Ensure Media Cover is properly closed and latched.
10.Skips labels (only when using label stock):•Check media for top of form sense mark or label gap.
•Check that the maximum print field has not been exceeded on label.
•Ensure bar or gap sensor is not blocked or malfunctioning.
11.Communication Error:•Check media is loaded.
•Ensure Media Cover is properly closed and latched and error indicators are off.
•Check baud rate.
•Replace cable to terminal.
12.Label Jam:•Open media cover.
•Apply generous amount of alcohol to printer in area of jammed label.
13.Blank LCD Screen•No application loaded or application corrupted: reload program.
14.Magnetic Strip Card or Smart Card Won’t Read•Ensure the “RDR” text is displayed, indicating card reader is enabled. (Refer to the Operator Controls section.)
•Ensure card is inserted with the magnetic stripe or microchip facing in the correct direction.
•Check card for excessive wear or damage to either the magnetic strip or the microchip.
15.Battery Pack Is Hard to Insert•The battery packs for the RW 420 and QL 420 model printers are similar in size and shape, but not interchangable. Verify you are using the correct battery pack.
•Battery pack part number for the RW 420 is
41
RW 420 User Guide