HP Latex 3200 Users Guide - Page 389
Printhead check and clean, Substrate-advance sensor check
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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 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