HP 400 - Manual (Page 86)

Problem Resolution 5-23
1. At office, with ambient printing at least once a month.
Table 5-9. Print Cartridge Life Specifications — Age
Print Cartridge Print Cartridge Life
Part Number Description
Sealed in its Container
(Shelf Life)
Open in the Printer or
in the Storage Container
1
51626A Black Print Cartridge 18 Months 90 Days
51625A Color Print Cartridge 18 Months 180 Days
Table 5-10. Print Cartridge Expired?
Period of Time After the Manufacturing Date
Print
Cartridge
Expired?
Explanation
From the manufacturing date to
90 days after the manufacturing date
No
The print cartridge has yet to exceed the open life
specification.
90 days to 18 months from the manufacturing date
Maybe
Expired if the print cartridge has been out of its
packaging longer than the open life specification.
Longer than 18 months after the manufacturing date
Yes
The print cartridge has exceeded its 18 month
shelf life.
Note Use a First In, First Out (FIFO) inventory control process to avoid keeping print cartridges longer than
their shelf life.