HP Designjet L28500 HP Designjet L28500 Printer Series - User's guide - Page 58
Double-sided printing in detail, Substrate, Double-sided printing, Side A, Ready to, print side
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NOTE: If you try to move the substrate while printing on either side, the front panel asks for confirmation, because any such movement prevents correct alignment between the two sides. Double-sided printing in detail 1. Load the substrate in the normal way for the substrate you are using. 2. On the printer's front panel, press , then , then Substrate > Double-sided printing > Side A. Return to the home screen and check that the printer status is shown as Ready to print side A. Alternatively, select double-sided printing in your RIP software. NOTE: The automatic cutter and the extra bottom margin are both disabled during double-sided printing. 3. Send one or more jobs to be printed on the first side. Before printing the first job, the printer may advance the substrate by about 0.5 m (20 in) so that the second side can be completely cured. After each job, the printer prints a black reference line that is used to align the matching job on the second side. NOTE: The chance of visible misalignment between the two sides increases with the length of the job. For this reason, in double-sided printing you are recommended not to print any single job that is longer than 3 m (10 ft). 4. After printing, advance the substrate a little by going to the front panel and pressing , then Substrate > Move substrate. , then ● If you plan to attach the substrate to the take-up reel before printing the second side, advance the substrate enough to achieve this. ● If you plan to attach the substrate to the take-up reel while printing the second side, advance the substrate about 10 cm (4 in). 5. Cut the substrate, either manually or by going to the front panel and pressing , then , then Substrate > Form feed and cut. Before cutting, ensure that the total length of the cut substrate is more than 2 m (6 ft 7 in), otherwise you may be unable to load it successfully. NOTE: The Form feed and cut command will not work if the substrate cannot be cut by the cutter. 6. Press , then , then Substrate > Substrate unload. 7. Reload the substrate with the first (printed) side facing up as it enters the printer, and with the reference line near the leading edge. Reload if necessary until the printer finds less than 1 mm/m skew. TIP: Although it is not strictly necessary, you may find it quicker to use the manual loading procedure as an initial approximation, and then allow the printer to find the reference line more accurately. See Load a roll into the printer (manually) on page 32. If you use only the automatic loading procedure, the printer may take some time to find the reference line. TIP: You are recommended to use the edge holders when printing the second side, which means using the manual loading procedure. 52 Chapter 4 Handle the substrate ENWW