HP Color LaserJet 2840 User Manual

ProblemCauseSolution
The proof sheet will not print.The memory card might have
been removed before the
device could print the page.Reinsert the card and reprint
the proof sheet.
You might have inserted more
than one memory card.Only one card slot can be
occupied for the device to
detect JPEG files. Verify that
only one card is inserted.
One or more print cartridges
might be low.Replace any low print
cartridges. See 
Changing a
print cartridge.
Proof sheet not scanning
Use the table in this section to...

ProblemCauseSolution
The wrong photo printed.An incorrect memory card
might be inserted.Verify that the correct memory
card is inserted. See 
Inserting
a memory card.
You might have selected the
wrong number from the
memory card.If you cannot remember the
number of the photo that you
wish to print, print an index
page to verify the file number.
See 
Printing an index.
The photo did not print.The media input tray might be
empty.Load media into the input tray.
The memory card might have
been removed before...

ProblemCauseSolution
Scanner did not read proof
sheet.The device is using non-HP
supplies. This feature has been
optimized and tested for use
with Genuine HP  Toner
Supplies (variations in color
shading can impact the
performance of this feature).Use a software program to print
the photo from your computer.
Print photos directly from the
memory card by using the
control panel.
Install HP supplies in the
device and reprint the proof
sheet.
ENWWMemory card problems267
 

Troubleshooting tools
The section describes the tools that can help you solve problems with your device.
Device pages and reports
This section describes the pages and reports that help you diagnose and solve problems
with the device.
Demo page
To print the Demo page, complete the following steps.
1. On the device control panel, press M
ENU until the Reports menu appears, and then
press E
NTER.
2. Use the < or the > button until Demo Page appears, and then press E
NTER.
Configuration page
The...

Fax activity log
The fax activity log provides a chronological history of the last 40 faxes that were received,
sent, or deleted, and any errors that occurred.
To print the fax activity log
1. On the device control panel, press M
ENU.
2. Use the < or the > button to select Reports, and then press E
NTER.
3. Use the < or the > button to select Fax Activity log, and then press E
NTER.
4. Press E
NTER to select Print log now. The device exits the menu settings and prints the
log.
Fax call report
A fax call...

To print a billing-code report
1. On the device control panel, press M
ENU.
2. Use the < or the > button to select Reports, and then press E
NTER.
3. Use the < or the > button to select Billing report, and then press E
NTER. The device
exits the menu settings and prints the report.
HP Toolbox
HP Toolbox is a Web application that you can use for troubleshooting tasks.
To view HP Toolbox
Open HP Toolbox in one of these ways:
●On the Windows desktop, double-click the HP Toolbox icon.
●On the Windows Start...

CAUTIONThis procedure clears fax numbers and names that are associated with one-touch keys and
speed-dial codes, and deletes any pages that are stored in the memory. The procedure then
automatically restarts the device.
To restore the factory-set defaults
1. On the device control panel, press M
ENU.
2. Use the < or the > button to select Service, and then press E
NTER.
3. Use the < or the > button to select Restore defaults, and then press E
NTER.
The device automatically restarts.
Cleaning the paper...

●Identification is the phone number to which a fax is sent.
●Result explains the status of the fax:
●“OK” means that the fax was successful.
●“Pending” faxes are in memory or are printing.
●An error code means that your device might need service. Contact HP Customer
Care. See 
Service and support or the flyer that came in the printer box.
The device control panel display has black lines or dots, or
becomes blank
CAUTIONStatic electricity can cause unexpected black lines or dots to appear on the device...

A
Accessories and ordering
information
The following list of accessories was current at the time of printing. Ordering information and
availability of the accessories might change during the life of the device. For the most current
ordering information, visit the most appropriate of the following websites:
●North America: http://www.hp.com/go/ordersupplies-na
●Europe and Middle East: http://www.hp.com/go/ordersupplies-emea
●Asia Pacific countries/regions: http://www.hp.com/go/ordersupplies-ap
●
Latin...

Supplies
Product nameDescriptionPart number
Black print cartridgeLife of 5,000 pages at 5
percent coverage.Q3960A
Cyan print cartridgeLife of 4,000 pages at 5
percent coverage.Q3961A
Yellow print cartridgeLife of 4,000 pages at 5
percent coverage.Q3962A
Magenta print cartridgeLife of 4,000 pages at 5
percent coverage.Q3963A
Cyan print cartridgeLife of 2,000 pages at 5
percent coverage.Q3971A
Yellow print cartridgeLife of 2,000 pages at 5
percent coverage.Q3972A
Magenta print cartridgeLife of 2,000 pages...