40STEP 3 Maintenance and Troubleshooting
2 Open the DK Roll cover and pull up the roll release lever to the up position and remove the DK Roll.
3 Turn the 
mark (A) on cover to 
mark (B) on the printer using a coin and remove the battery cover.
When turning the battery cover, do not rotate it past the position of 
mark (B) on the printer, as this may cause a malfunction.
4 As shown below, press C part of battery and remove the battery.
By pressing C part of battery, the battery lifts up, so it can be removed easily.
5 Install the new battery, taking care to ensure the correct polarity of the battery.