64Replacing the battery packFollow this procedure to replace the battery pack.You can replace the battery pack at any time. You may want to purchase and carry extra battery packsfor emergencies. However, please remember that new battery packs must be fully charged before youcan use them. Before you travel, make sure new battery packs are fully charged.You must also replace a battery pack after it is exhausted. The CHARGE/ERROR lamp will flashand the printer will beep six times when the battery pack becomes exhausted. After the battery pack isexhausted, ti cannot be recharged and used again.HANDLE THE BATTERY PACK CAREFULLY BY FOLLOWING THE GUIDELINESDESCRIBED ON PAGE 21.1. Press the POWER button to switch the printer off.2. If the optional sheet feeder is installed on the printer, remove it.3. If the front cover is closed, open it.4. Push the battery pack release to the right. The battery pack will spring slightly out of the printer.5. Remove the battery pack from the printer.64