HP 870cxi HP DeskJet 870C Printer - Support Information - Page 43

Short Print Cartridge Life

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Short Print Cartridge Life There are several causes for a short print cartridge life. The information below identifies the average print cartridge life and possible causes for a reduction to this cartridge life. Print Cartridge Life Specifications Print Cartridge Part Number 5% Density 15% Density Sealed in its Container (Shelf Life) Black 51645A 840 Pages 18 Months Color 51641A 560 Pages 18 Months 1. The 51645A print cartridge life is based on an 8 in. x 10 in. printable area with a 5% printing density. 2. The 51641A print cartridge life is based on an 8 in. x 10 in. printable area with a 15% printing density. The printing consists of 10% composite black and 15% of the following colors: cyan, magenta, yellow, green, red and blue. Possible Causes for Short Print Cartridge Life Cause Reason Higher coverage rate than listed in the specifications Pages contain graphics Selected print mode Print cartridge past its expiration date The rate of coverage on the page significantly impacts the number of pages per print cartridge. Heavy concentrations of ink and higher print quality settings significantly reduce the number of pages per print cartridge. Generally, graphics use ink at a much higher rate than text. If possible, print drafts of documents without the graphics. Higher quality print modes use more ink than a draft print mode. To maximize print cartridge life, print drafts of documents in EconoFast mode, then print the final copies in Best mode. Replace the print cartridge. Use a FIFO (First In-First Out) inventory process to minimize having a stock of expired print cartridges. Continued on next page

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Short Print Cartridge Life
There are several causes for a short print cartridge life. The information
below identifies the average print cartridge life and possible causes for a
reduction to this cartridge life.
Print Cartridge Life Specifications
Print Cartridge
Part Number
5% Density
15% Density
Sealed in its
Container
(Shelf Life)
Black
51645A
840 Pages
18 Months
Color
51641A
560 Pages
18 Months
1.
The 51645A print cartridge life is based on an 8 in. x 10 in. printable area with a 5% printing
density.
2.
The 51641A print cartridge life is based on an 8 in. x 10 in. printable area with a 15% printing
density. The printing consists of 10% composite black and 15% of the following colors: cyan,
magenta, yellow, green, red and blue.
Possible Causes for Short Print Cartridge Life
Cause
Reason
Higher coverage rate than
listed in the
specifications
The rate of coverage on the page significantly impacts the number
of pages per print cartridge. Heavy concentrations of ink and higher
print quality settings significantly reduce the number of pages per
print cartridge.
Pages contain graphics
Generally, graphics use ink at a much higher rate than text. If
possible, print drafts of documents without the graphics.
Selected print mode
Higher quality print modes use more ink than a draft print mode. To
maximize print cartridge life, print drafts of documents in EconoFast
mode, then print the final copies in Best mode.
Print cartridge past its
expiration date
Replace the print cartridge. Use a FIFO (First In-First Out) inventory
process to minimize having a stock of expired print cartridges.
Continued on next page