HP LaserJet 9059 MFP User Manual

Solve print-quality problems
This section helps you define print-quality problems and what to do to correct them. Often print- quality
problems can be handled easily by making sure that the device is correctly maintained, using print media
that meets HP specifications, or running a cleaning page.
Print-quality problems associated with media
Some print-quality problems arise from the use of inappropriate media.
●Use media that meets HP specifications. See 
Supported paper and print media sizes
on page 77...

Light print (partial page)
Figure 12-69  Light print (partial page)
1.Make sure that the print cartridge is fully installed.
2. The print cartridge might be defective. Replace the print cartridge.
3. The media might not meet HP specifications (for example, the media is too moist or too rough).
See 
Supported paper and print media sizes on page 77.
Light print (entire page)
Figure 12-70   Light print (entire page)
1.Make sure that the print cartridge is fully installed.
2. Make sure that the Economode...

Specks
Figure 12-71  Specks
Specks might appear on a page after a jam has been cleared.
1.Print a few more pages to see if the problem corrects itself.
2. Clean the inside of the device and run a cleaning page. See 
Clean the MFP on page 161.
3. Try using a different type of media.
4. Check the print cartridge for leaks. If the print cartridge is leaking, replace it.
Dropouts 
Figure 12-72   Dropouts
1.Make sure that the environmental specifications for the device are being met. See Operating
environment...

Lines  
Figure 12-73  Lines
A
A
A
A
AB
B
B
B
BC
C
C
C
Ca
a
a
a
ac
c
c
c
cb
b
b
b
bA
A
A
A
AB
B
B
B
BC
C
C
C
Ca
a
a
a
ac
c
c
c
cb
b
b
b
b
1.
Print a few more pages to see if the problem corrects itself.
2. Clean the inside of the device and run a cleaning page. See 
Clean the MFP on page 161.
3. Replace the print cartridge.
Gray background  
Figure 12-74   Gray background
1.Do not use media that has already been run through the device.
2. Try using a different type of media.
3. Print a few more pages to...

Toner smear 
Figure 12-75  Toner smear
1.Print a few more pages to see if the problem corrects itself.
2. Verify that the fuser levers are in the down position (unless printing on envelopes).
3. Try using a different type of media.
4. Make sure that the environmental specifications for the device are being met. See 
Operating
environment on page 236.
5. Clean the inside of the device and run a cleaning page. See 
Clean the MFP on page 161.
6. Replace the print cartridge.
Also see 
Loose toner on page...

Repeating defects 
Figure 12-77  Repeating defects
1.Print a few more pages to see if the problem corrects itself.
2. If the distance between defects is 44 mm (1.73 in.),  53 mm (2.1 in.), 63 mm (2.5 in.), or 94 mm (3.7
in.), the print cartridge might need to be replaced.
3. Clean the inside of the device and run a cleaning page. See 
Clean the MFP on page 161.
Also see 
Repeating image on page 212 .
Repeating image
Figure 12-78   Repeating image
Dear Mr. A bhjerhjk,
The dhjhfiuhu if teint hhkjhjnf j us...

Misformed characters
Figure 12-79  Misformed characters
AaBbCc
AaBbCc
AaBbCc
AaBbCc
AaBbCc AaBbCc
1. Print a few more pages to see if the problem corrects itself.
2. Make sure that the environmental specifications for the device are being met. See 
Operating
environment on page 236.
Page skew
Figure 12-80   Page skew
1.Print a few more pages to see if the problem corrects itself.
2. Verify that no torn pieces of media are inside the device.
3. Make sure that media is loaded correctly and that all...

Curl or wave 
Figure 12-81  Curl or wave
1.Turn over the stack in the tray. Also, try rotating the stack 180°.
2. Make sure that the type and quality of the media you are using meet HP specifications. (See
Supported paper and print media sizes on page 77.)
3. Make sure that the environmental specifications for the device are being met. (See 
Operating
environment on page 236.)
4. Try printing to a different output bin.
5. If media is lightweight and smooth, open the  Administration menu at the device...

Vertical white lines  
Figure 12-83  Vertical white lines
1.Print a few more pages to see if the problem corrects itself.
2. Make sure that the type and quality of the media you are using meet HP specifications. See
Supported paper and print media sizes on page 77.
3. Replace the print cartridge.
Tire tracks
Figure 12-84   Tire tracks
A
A
A
A
AB
B B
B
B C
C C
C
Ca
a
a
a
ac
c
c
c
cb
b
b b
bA
A
A
A
AB
B B
B
B C
C C
C
Ca
a
a
a
ac
c
c
c
cb
b
b b
b
This defect typically occurs when the print cartridge has far...

Scattered lines
Figure 12-86  Scattered lines
1.Make sure that the type and quality of the media you are using meet HP specifications. See
Supported paper and print media sizes on page 77.
2. Make sure that the environmental specifications for the device are being met. See 
Operating
environment on page 236.
3. Turn over the stack in the tray. Also, try rotating the stack 180°.
4. Open the  Administration menu at the device control panel. Open the  Print Quality submenu and
change the  Toner Density...