Chapter 3 Using the Printer 51o When the battery pack is low, you can attach the AC adapter tocontinue printing. You can also use the remaining battery power forlimited printing by pressing ON LINE.o You can travel with additional battery packs that are fully charged.o Recharge the battery pack only when the printer indicates a lowbattery error. Charging the battery before it is fully discharged reducesthe battery capacity. (See Chapter 10, Installing and Using the BatteryPack, for details on the battery pack.)o Avoid leaving the printer in a closed automobile where it may beexposed to extreme changes in temperature or humidity.o After installing a BJ cartridge, always leave it in the printer.Storing a BJ CartridgeIf you unwrap a BJ cartridge but do not install it in the printer, store it inthe BJ cartridge container to prevent the print head from drying andclogging.The print head of a BJ cartridge must never dry or clog. When installed inthe printer, the print head is protected from drying. If you remove the BJcartridge from the printer, the print head will be exposed to the air.1. Open the BJ cartridge container.o To open the BJ cartridge container, twist the cover to the right.o Keep the container level at all times.Using the Printer