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
●
Approximate pages remaining
●
Part numbers for HP toner cartridges
●
Number of pages printed
Use the following procedures to print the supplies status page:
LCD control panel 1.
On the product c
 ontrol panel, press the Setup   button.
2.
Open the following menus: ●
Reports
●
Supplies status
3.
Select 
Print Supplies status page, and then press the OK button.
Touchscreen control panel 1.
From the Home screen on the product control panel, touch the Supplies   button.
2.
Touch the 
Report button to print the supplies status page. ENWW
Improve print quality 83   
						

							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 menus: ●
System Setup
●
Print Quality
●
Calibrate Color
3.
Select the 
Calibrate Now option, and then press the OK button.
Touchscreen control panel 1.
Fr

om the Home screen on the product control panel, touch the Setup   button.
2.
Open the following menus: ●
System Setup
●
Print Quality
●
Color Calibration
3.
Select the 
Calibrate now option, and then press the OK button.
Print a cleaning page LCD control panel
1.
From the product control panel, press the Setup   button.
2
.
Open the Service menu. 3.
Select the 
Cleaning mode option, and then press the OK button.
The product prints the 


						

							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 options, select the setting you want to adjust. 4
.
Use the arrow buttons to adjust the value for the setting, and then press the OK button to select an 
option. 5
.
Adjust another setting, or press the OK button to return to the main copy menu.
Touchscreen control panel 1
.
From the Home screen, touch the Copy button. 2
.
Touch the Settings button, and then scroll to and touch the Image Adjustment option. 3.
Touch the name of the setting you want to adjust. 4
.
Touch the — or + buttons to adjust the value for the setting, and then touch the OK button. 5.
Adjust another setting, or touch the Back   button to return to the main copy menu.
Optimize for text or pictures The following copy-quality settings are available:
●
Auto Select: Use this setting when you are not concerned about the quality of the copy. This is the 
de
f

ault setting. ●
Mixed: Use this setting for documents that contain a mixture of text and graphics.
●
Text: Use this setting for documents that contain mostly text.
●
Picture: Use this setting for documents that contain mostly graphics.
LCD c on

trol panel 1.
Load the document onto the scanner glass. 2.
On the pr oduct c
 ontrol panel, press the Copy Menu   button.
3.
Select the 
Optimize menu. 90 Chapter 8   Solve problems
ENWW