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Care and Maintenance 4-31
Toner and Developer
Proper handling and storage of the toner bottle and developer bottle are important to
optimize printer performance. For best results, follow the instructions below.
When Purchasing
Use only toner and developer which are specified for the printer. Print quality may
be degraded and troubles may occur if using toner and developer that does not
meet the specification.
Store the toner bottle and developer bottle in a well air-conditioned place. If the
temperature is over 104°F (40°C), the toner and developer may solidify. The
recommended storing temperature is 14°F - 104°F (-10°C~40°C). The
recommended relative humidity is 5% to 80%. Do not store for longer than 3
years after the date of manufacture.
Do not expose developer to the air. If exposed, developer may rust and degrade
printing quality.
Printer Model
Developer Mix
Part Number Label Color
DDP70 (399071-900) White
DDP70k, DDP70e,
and DDP92
404030
(337600-003)
Green*
* Use developer mix Type-K (with a green
label) when the seal shown at right is
pasted on the duct of the developer unit.