HP M177 User Manual

4.
Remove any jammed paper. Use both hands to 
pull o
ut the paper to avoid tearing.  5.
Close the jam-access cover.  6.
Close the document-feeder input tray.  ENWW
Clear jams in the document feeder 81    

Improve print quality
●
Print from a  di

Check the paper-type setting (Mac OS X)
1.
Click the File menu, and then click the Print option. 2
.
In the Printer menu, select the product. 3
.
By default, the print driver displays the Copies & Pages menu. Open the menus drop-down list, and then 
click the Finishing menu. 4.
Select a type from the Media-type drop-down list. 5.
Click the Print button.
Check the t

oner-cartridge status Check the supplies status page for the following information:
●
Estimated percentage of cartridge life remaining
●...

Calibrate the product to align the colors
If the printed output has colored shadows, blurry graphics, or areas that have poor color, you might need to 
calibrat
e the product to align the colors. Print the diagnostics page from the Reports menu on the control 
panel to check the c

olor alignment. If the blocks of color on that page are not aligned with each other, you 
need to calibrate the product.
LCD control panel 1.
On the product c
 ontrol panel, press the Setup   button.
2.
Open the following...

4.
Load plain letter or A4 paper when you are prompted. 5
.
Touch the OK button to begin the cleaning process.
The product prints the 

●
If dots or streaks appear in only one of the groups, replace the toner cartridge that correlates with that 
group
. ●
If dots appear in more than one group, print a cleaning page. If this does not solve the problem, 
determine if the dots ar

e always the same color; for example, if magenta dots appear in all 

Check the product environment
Verify that the product is operating within the environmental speci

●
Photo (sRGB): The product interprets RGB color as if it were printed as a photograph using a digital 
mini lab. The pr
oduct renders deeper, more saturated colors di

Improve copy and scan quality
Check the scanner glass for dirt and smudges
Over time, specks of debris might collect on the scanner glass and white plastic backing, which can D

Check the image adjustment settings
The following image adjustment settings are available: ●
Lightness: Adjusts the lightness/darkness setting.
●
Contrast: Adjusts the contrast between the lightest and darkest areas of the image.
●
Sharpen: Adjusts clarity of text characters.
●
Color Balance: Adjusts the red, green, and blue color hues.
LCD control panel 1
.
On the product control panel, press the Copy Menu   button.
2
.
Select the Image Adjustment menu. 3
.
Use the arrow buttons to scroll through the...