HP Officejet K7100 User Manual

Check the type of media loaded in the printer
●Make sure the tray supports the type of media you have loaded. See Understanding
specifications for supported media on page 27.
●Make sure you have selected the tray in the printer driver that contains the media you want to
use. See 
Changing print settings on page 39.
Check rollers in the printer
The rollers in the printer might be dirty, causing lines or smudges to appear on your printout. Turn off
the printer, disconnect the power cord, clean the rollers...

Check the media type
Some types of media do not accept ink well. Ink will dry more slowly and smearing may occur. See
Selecting print media on page 27.
Check the margin settings
●If you are using a computer running Windows, make sure the Minimize Margins option is not
selected. See 
Changing print settings on page 39.
NOTE:You can also access this feature from the Printing Shortcuts tab. Open the printer
driver, select the Printing Shortcuts tab, and select the feature from the What do you want to
do?...

You may not be using the best print cartridge for the project
For best results, use the HP Photo or HP Gray Photo print cartridges to print color or black and white
photos, and use the HP black print cartridge to print text documents.
Check the paper type setting
When printing on transparencies or other special media, select the corresponding media type in the
printer driver. See 
Printing on custom-sized paper on page 54.
Check the print cartridges
If lines in the text or image are broken or do not...

damage to the printer. HP does not guarantee or support refilled print cartridges. For ordering
information, see 
HP supplies and accessories on page 109.
Colors do not line up properly
Check the print cartridges
The print cartridges are automatically aligned when a cartridge is replaced. However, you might
notice improvement in the print quality by performing the alignment procedure yourself. See 
Using
the print cartridges on page 19.
Check the graphics placement
Use the zoom or print preview feature...

Resolving paper-feed problems
This section provides solutions to common paper-feed problems.
●
Another paper feed problem is occurring
For information on resolving jams, see 
Clearing jams on page 97.
Another paper feed problem is occurring
Media is not supported for the printer or tray
Use only media that is supported for the printer and the tray being used. See Understanding
specifications for supported media on page 27.
Media is not picked up from input tray
●Make sure the media guides are set to the...

Troubleshooting installation issues
This section provides solutions to common installation problems.
●
Problems printing an alignment page
●
Problems installing software
Problems printing an alignment page
When print cartridges are installed or replaced, the printer automatically prints an alignment page to
align the cartridges. This process takes about seven minutes, and once complete, the alignment
page may be discarded after it is printed. If the printer does not print the page, see 
Troubleshooting...

Clearing jams
Use the following methods to locate and clear a paper jam. For information on how to avoid jams,
see 
Tips for avoiding paper jams on page 99.
NOTE:To prevent jammed paper from tearing off inside the printer, try to grasp jammed paper with
both hands and exert even pressure on both sides while pulling the paper towards you.
WARNING!Be sure to turn off the printer and unplug it before performing this procedure. Clearing
a paper jam while printer parts are moving could cause injury.
1.Turn...

3.Remove the rear cover from the duplex unit (if installed), remove any paper, and replace the
rear cover. If the paper jam is not visible by removing the rear cover, remove the duplex unit to
locate the jam.
4.Lift up the output tray and remove any jammed paper from the input tray.
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5.Open the top cover. The print cartridge carriage should return to the right side of the printer. If
the carriage does not return to the right side, turn off the printer, and then move the carriage to
the right. Pull any jammed paper towards you.
CAUTION:Do not reach into the printer when the printer is on and the print cartridge carriage
is stuck.
After you clear the jam, close all covers, turn on the printer (if you turned it off), and press the
Resume button. The printer will continue the print job...

Resolving photo printing problems
Also see Poor print quality and unexpected printouts on page 90 for additional troubleshooting
information.
●Make sure you are printing on the correct side of the media
◦Load media print-side down in the input tray.
◦Load media print-side up in the rear manual feed slot.
●Check the print settings
1.Open the printer driver (see 
Printing a document on page 49).
2.On the Features tab (Windows) or the Paper Type/Quality panel (Macintosh), check the
following settings:...