Hewlett Packard W1A28A Getting Started Guide
Y
ield t
estreport for
HP Inc.
m
onochrome LaserJet
t
oner cartridge tested
per ISO/IEC 19752
6 August
2019.©
2019HP Inc.,
LaserJet Supplies Group
Page1of
2
Yield Reporting Form
HP LaserJet
Pro
M304/
M404 and HP LaserJet Pro MFP
M428 with
cartridge model
CF258A/CF259A/
CF2
76
A
Declared ISO
y
ield
Calculated test values
Calculated test values
Average
1
3,358
Standard Dev.
151
90% lower confidence limit
1
3,279
Test date: beginning
6/24/2019
Test dates: ending
6/27/2019
Number of cartridges used in testing
12
Number of cartridges used in calculations
12
Type of cartridge
CF276A all in one
Shake procedure used?
Yes, at first and second fade
Print mode
Continuous
Job size
100 pages per job to 2750 pages, 25
thereafter
Number of engines used in testing
4
Media
HP Double A
Paper size
A4
Paper feed orientation
Short edge
Computer model
vSphere Client virtual PC
Operating system
Microsoft Windows 10
Application software
Adobe Reader 9
Print driver
version
None: Internal PDF interpreter
Connection type
USB
Test page version*
Version 4.0 pdf
Power on/off every day
No
Engine serial numbers:
Engine Firmware Version:
PHCX100016
1911D
PHCX100008
1911D
PHCBV01972
1911D
PHCBV02692
1911D
*filename: Download_Free___19752_Test_Chart__.pdf from ISO SC28 website
Toner cartridge y
ield
Average cartr
idge yield
3,000
standard
pages
1
Declared yield value in
accordance with ISO/IEC 19752
based on continuous printing
Y
ield t
estreport for
HP Inc.
m
onochrome LaserJet
t
oner cartridge tested
per ISO/IEC 19752
6 August
2019.©
2019HP Inc.,
LaserJet Supplies Group
Page2of
2
Cartridge testing data
Test environmental limits:
Temperature
Humidity
ºC
%RH
Max running average
23.4
54
Min running average
22.9
49
Average
23.1
52
CF276A
HP LJ Pro M404/HP LJ Pro
MFP M428
Cartridge
Lot Code
Engine SerNo
Cartridge
Yield
CF276A_1
9E20H1Ba 20190520
PHCX100016
3,328
CF276A_2
9E20H1Ba 20190520
PHCX100008
3,262
CF276A_3
9E20H1Ba 20190520
PHCBV01972
3,124
CF276A_4
9E20H1Ba
20190520
PHCBV02692
3,162
CF276A_5
9E24H1Ba 20190524
PHCX100016
3,571
CF276A_6
9E24H1Ba 20190524
PHCX100008
3,315
CF276A_7
9E24H1Ba 20190524
PHCBV01972
3,269
CF276A_8
9E24H1Ba 20190524
PHCBV02692
3,318
CF276A_9
9E28H3Ba 20190528
PHCX100016
3,512
CF276A_10
9E28H3Ba 20190528
PHCX100008
3,607
CF276A_11
9E28H3Ba 20190528
PHCBV01972
3,392
CF276A_12
9E28H3Ba 20190528
PHCBV02692
3,430
1
In an ISO report two values are commonly listed: declared ISO yield and calculated test values.
Generally, the calculated test values are higher than the
declared ISO yield.
Actual cartridge yields vary considerably based on content of images printed and other factors. For more information visit
www.hp.com/go/learnaboutsupplies.
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