Service manual

●
DHALF Only Cal
● Test Page
To enter the secondary service menu, use the following procedure:
1. Confirm that the device is in a Ready state.
2.
Press the
button (Select) to enter the main menu system.
3.
Press the
button (Left arrow) and the button (Cancel Job) simultaneously.
4.
Press the
button (Select) to confirm 2ndary Service.
5.
Press the
(Left arrow) button and button (Right arrow) to navigate to the secondary
service menu.
Printed image quality problems
Improving print quality
Use the print-quality settings in the HP Toolbox to improve print-quality problems. To access the
HP Toolbox, see
HP Toolbox on page 146. The following menus contain paper type, print mode, and
print-quality settings. To restore the default settings, open the HP Toolbox and click Device
Settings. Then click Settings, Service, and in Restore Factory Settings, click Restore.
Paper Types menu
The purpose of this menu is to specify the print mode for paper types which are non-specific.
To make changes in the Paper Types menu, make the desired selections and click Apply.
Table 6-6 Print modes for paper types
Print Modes for paper types Weight Default media types
Normal mode
75-89 g/m
2
Plain, color, preprinted, prepunched,
recycled
Transparency Transparencies
Labels Labels
Light
75-89 g/m
2
Light
Heavy
90-105 g/m
2
Heavy
Cardstock
106-163 g/m
2
Cardstock, bond
Light Glossy
75-105 g/m
2
Light Glossy
Glossy
106-120 g/m
2
Glossy
Heavy Glossy
121-163 g/m
2
Heavy Glossy
HP Tough paper HP Tough paper
Envelope Envelopes
ENWW Print problems 121