HP Latex 3200 Users Guide - Page 389

Printhead check and clean, Substrate-advance sensor check

Page 389 highlights

● Horizontal banding ● Graininess ● Color misalignment - Blurred lines, edges, and text, horizontally and vertically - Halo of a different color around color lines and at the edges of color areas or text - Ink bleeding or wicking or different gloss at the edges of color areas 2. Perform the actions described in the following table. Defect Banding Image quality inspection plot procedure X Substrate-advance sensor check Isolated bands (usually of X different texture or grain) Graininess X Blurry edges or text lines, X horizontally Blurry edges or text lines, vertically Color halo on objects (e.g., magenta shows up under a blue line) Ink bleeding, wicking, or different gloss at the edges of color areas Printhead alignment X X X Possible causes (for reference only) ● Blocked nozzles ● Substrate advance accuracy ● Intra-color alignment ● Substrate-advance accuracy and navigability ● Substrate advance accuracy ● Color alignment ● Substrate advance accuracy ● Color alignment ● Color alignment X ● Color alignment X ● Optimizer alignment Printhead check and clean See Check and clean the printheads on page 160. The check and clean process will check the printheads, recover the ones with blocked nozzles, and replace the nozzles that are not recovered with healthy ones for printing. Substrate-advance sensor check Run the OMAS Diagnostic Test from the HP Print Care window. NOTE: OMAS stands for Optical Media Advance Sensor, usually known as the substrate-advance sensor in this guide. The test will tell you whether the substrate-advance sensor is working correctly or not (either dirty or damaged). If the substrate-advance sensor is dirty, clean the sensor. See Clean the substrate-advance sensor on page 204. ENWW Basic and advanced troubleshooting 383

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Horizontal banding
Graininess
Color misalignment
Blurred lines, edges, and text, horizontally and vertically
Halo of a different color around color lines and at the edges of color areas or text
Ink bleeding or wicking or different gloss at the edges of color areas
2.
Perform the actions described in the following table.
Defect
Image quality inspection
plot procedure
Substrate-advance
sensor check
Printhead alignment
Possible causes (for
reference only)
Banding
X
Blocked nozzles
Substrate advance
accuracy
Intra-color
alignment
Isolated bands (usually of
different texture or grain)
X
Substrate-advance
accuracy and
navigability
Graininess
X
X
Substrate advance
accuracy
Color alignment
Blurry edges or text lines,
horizontally
X
X
Substrate advance
accuracy
Color alignment
Blurry edges or text lines,
vertically
X
Color alignment
Color halo on objects
(e.g., magenta shows up
under a blue line)
X
Color alignment
Ink bleeding, wicking, or
different gloss at the
edges of color areas
X
Optimizer
alignment
Printhead check and clean
See
Check and clean the printheads
on page
160
. The check and clean process will check the printheads, recover
the ones with blocked nozzles, and replace the nozzles that are not recovered with healthy ones for printing.
Substrate-advance sensor check
Run the OMAS Diagnostic Test from the HP Print Care window.
NOTE:
OMAS stands for Optical Media Advance Sensor, usually known as the substrate-advance sensor in this
guide.
The test will tell you whether the substrate-advance sensor is working correctly or not (either dirty or damaged).
If the substrate-advance sensor is dirty, clean the sensor. See
Clean the substrate-advance sensor
on page
204
.
ENWW
Basic and advanced troubleshooting
383