dchun@aludra.usc.edu (Dale Chun) (04/10/90)
I am trying to make a double-sided printout with a 50 page document with an HP Laserjet series II. I print all the right-hand sides, then flip the stack over and attempt to print the left-hand sides. Paper jams and tears inside the printer and it just makes life difficult. I know this can be done. How you netlanders combat paper jams on side 2? Thanks. ...dale
karl@ddsw1.MCS.COM (Karl Denninger) (04/11/90)
>Item 10369 (0 resps) by dchun at aludra.usc.edu on Tue 10 Apr 90 02:52 >[Dale Chun] Subject: Paper problems >(7 lines) > >I am trying to make a double-sided printout with a 50 page document >with an HP Laserjet series II. I print all the right-hand sides, then >flip the stack over and attempt to print the left-hand sides. Paper >jams and tears inside the printer and it just makes life difficult. I >know this can be done. How you netlanders combat paper jams on side 2? The key to doing this is in the paper you use. Get good quality paper, and let it cool before reinserting (it gets warm/hot in the printer). Second, load it the first time with the grain down (curl in the downward direction when you're holding the stack). Ideally you want the grain to run in the short direction of the paper, but this doesn't always happen. Finally, use the FACE UP tray (open the back stacking tray in the printer). Using the face-down tray is asking for trouble, as the paper has more chances to get creased/kinked. Once you get a crease in the paper, it WILL jam. Nearly every time. We print lots of forms double sided and only have a problem when we forget these rules :-) -- Karl Denninger (karl@ddsw1.MCS.COM, <well-connected>!ddsw1!karl) Public Access Data Line: [+1 708 566-8911], Voice: [+1 708 566-8910] Macro Computer Solutions, Inc. "Quality Solutions at a Fair Price"
vera@cadence.com (Vera Vallentin-Price) (04/11/90)
In article <9014@chaph.usc.edu> dchun@aludra.usc.edu () writes: >I am trying to make a double-sided printout with a 50 page document >with an HP Laserjet series II. I print all the right-hand sides, then >flip the stack over and attempt to print the left-hand sides. Paper >jams and tears inside the printer and it just makes life difficult. I >know this can be done. How you netlanders combat paper jams on side 2? >Thanks. > ...dale It helps to fan the paper before re-inserting it into the paper bin (the paper get staticki from the first pass). After that, take the stack and roll it against the curl (most papers are curled in the long direction, which tends to get the leading two edges of the paper getting stuck. Lay down the stack on a flat surface and look at it. If the top sheets still curl do some more rolling and bending. The newer laser printer paper has fewer problems with this because it is cut in the opposite grain direction (less curl). It's a little more expensive but well worth it. Vera.
danb@lakesys.lakesys.com (Dan Budiac) (04/11/90)
In article <9014@chaph.usc.edu> dchun@aludra.usc.edu () writes: >I am trying to make a double-sided printout with a 50 page document >with an HP Laserjet series II. I print all the right-hand sides, then >flip the stack over and attempt to print the left-hand sides. Paper >jams and tears inside the printer and it just makes life difficult. I >know this can be done. How you netlanders combat paper jams on side 2? It's happened to me before, too. I found that if you open up the printer and let it cool off a bit before printing on the other side, it works fine. Also, make sure the paper is evenly stacked. Nothing technical, but it works for me.
casey@well.sf.ca.us (Kathleen Creighton) (04/12/90)
Be grateful it's jamming because you'll ruin your printer doing this. The
wiper arm on the II (or any Canon-engine printer or copier) cannot accommodate
wiping both sides--so you'll be left with black streaks forever and ever.
After printing only *one* page two sides, I've had streaks for several more
pages. I can just imagine what 50 would do.
HP does make a printer that will print both sides--the HP IID.
--
Kathleen Creighton {pacbell,hplabs,apple,ucbvax}!well!casey
San Franciscokarl@ddsw1.MCS.COM (Karl Denninger) (04/13/90)
>----- >Response 4 of 4 (10369) by casey at well.sf.ca.us on Thu 12 Apr 90 02:57 >[Kathleen Creighton] >(11 lines) > >Be grateful it's jamming because you'll ruin your printer doing this. The >wiper arm on the II (or any Canon-engine printer or copier) cannot accommodate >wiping both sides--so you'll be left with black streaks forever and ever. >After printing only *one* page two sides, I've had streaks for several more >pages. I can just imagine what 50 would do. Nonsense. We do this all the time, with hundreds of sheets per month. It IS true that you tend to get some contamination of the fuser cleaning wiper doing this. It is not debilitating, and goes away instantly if you change the fusing roller wiper blade (that green blade with the cloth on the side) or if you remove the wiper and scrape off the fused toner which is contaminating it. The contamination is made worse by reversing a graphic-image printed page and loading that back in. Thus, if you have one heavily-loaded page of graphics, and another of text, print the TEXT side first, then reverse the page. The one time I saw a REAL problem with this practice the company in question was running Xeroxed letterhead through their laser printer. They were getting HORRIBLE streaking. On investigation it was revealed that their copier was a wet-process unit (ie: developer was a liquid, toner was some kind of slurry) and the fuser in their photocopier was using a much lower temperature than the Laserjet.... the result being that very significant amounts of toner were being released by the LJ's fuser and contaminating the paper path. Even THAT was cleared by changing the fusing roller cleaner..... it did take about 10 sheets of paper for it to go away completely. Our unit gets a little dirty at times from the "abuse", but cleaning the fuser roller cleaner has never failed to solve the problem. -- Karl Denninger (karl@ddsw1.MCS.COM, <well-connected>!ddsw1!karl) Public Access Data Line: [+1 708 566-8911], Voice: [+1 708 566-8910] Macro Computer Solutions, Inc. "Quality Solutions at a Fair Price"