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presses:poco [2026/09/24 20:17] – [Quick Workflow Hazards to Avoid] mbpdocs_adminpresses:poco [2026/09/24 20:27] (current) – [Poco Troubleshooting, Maintenance and Resources] mbpdocs_admin
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-====== Poco Troubleshooting, Maintenance and Resources ======+====== Hacker Poco No. 0 Troubleshooting, Maintenance and Resources ======
  
 ===== Packing and Bed Adjustment for Photopolymer Plates & Type High Blocks ===== ===== Packing and Bed Adjustment for Photopolymer Plates & Type High Blocks =====
 +
 +//The information in this section was pulled from a variety of sources by an AI agent. Once all recommendations have been confirmed or edited by MBP, this disclaimer will be removed.//
  
 The Hacker Poco Proof Press (typically the No. 0 model) features a cylinder with a standard cylinder undercut of .050 inches. This means the bare cylinder sits exactly .050" below its bearers. [1]  The Hacker Poco Proof Press (typically the No. 0 model) features a cylinder with a standard cylinder undercut of .050 inches. This means the bare cylinder sits exactly .050" below its bearers. [1] 
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   * Hard vs. Soft: For crisp type and wood engravings, place a hard sheet of pressboard directly underneath your top tympan sheet. If your type is worn or uneven, move the softer bond paper to the top layer just below the tympan to cushion the bite. [8, 13, 14]    * Hard vs. Soft: For crisp type and wood engravings, place a hard sheet of pressboard directly underneath your top tympan sheet. If your type is worn or uneven, move the softer bond paper to the top layer just below the tympan to cushion the bite. [8, 13, 14] 
  
-[1] [https://vandercookpress.info](https://vandercookpress.info/poco-draw-sheet/) +  - [[https://vandercookpress.info/poco-draw-sheet/]] 
-[2] [https://vandercookpress.info](https://vandercookpress.info/packing-sp-20-question/) +  - [[https://vandercookpress.info/packing-sp-20-question/]] 
-[3] [https://www.briarpress.org](http://www.briarpress.org/15410) +  - [[http://www.briarpress.org/15410]] 
-[4] [https://www.editions.studio](https://www.editions.studio/inklings/2018/2/19/bringing-home-a-new-baby-poco-proof-press) +  - [[https://www.editions.studio/inklings/2018/2/19/bringing-home-a-new-baby-poco-proof-press]] 
-[5] [https://www.briarpress.org](http://www.briarpress.org/15410) +  - [[http://www.briarpress.org/15410]] 
-[6] [https://vandercookpress.info](https://vandercookpress.info/poco-draw-sheet/) +  - [[https://vandercookpress.info/poco-draw-sheet/]] 
-[7] [https://ladiesofletterpress.com](https://ladiesofletterpress.com/forums/topic/packing-bed/) +  - [[https://ladiesofletterpress.com/forums/topic/packing-bed/]] 
-[8] [https://briarpress.org](https://briarpress.org/31110) +  - [[https://briarpress.org/31110]] 
-[9] [https://www.briarpress.org](http://www.briarpress.org/47626) +  - [[http://www.briarpress.org/47626]] 
-[10] [https://www.briarpress.org](http://www.briarpress.org/48331) +  - [[http://www.briarpress.org/48331]] 
-[11] [https://bigjumppress.blog](https://bigjumppress.blog/2013/03/11/how-to-adjust-the-packing-on-a-flatbed-cylinder-press/) +  - [[https://bigjumppress.blog/2013/03/11/how-to-adjust-the-packing-on-a-flatbed-cylinder-press/]] 
-[12] [https://vandercookpress.info](https://vandercookpress.info/packing-sp-20-question/) +  - [[https://vandercookpress.info/packing-sp-20-question/]] 
-[13] [https://www.facebook.com](https://www.facebook.com/groups/letterpressprinting/posts/10159564828196779/) +  - [[https://www.facebook.com/groups/letterpressprinting/posts/10159564828196779/]] 
-[14] [https://www.briarpress.org](http://www.briarpress.org/47626)+  - [[http://www.briarpress.org/47626]] 
 + 
 +----
  
  
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 To prevent having to rip out your cylinder packing every time you switch methods, you should establish a permanent type-high (.918") standard on your cylinder. Here is how to manage both setups seamlessly: To prevent having to rip out your cylinder packing every time you switch methods, you should establish a permanent type-high (.918") standard on your cylinder. Here is how to manage both setups seamlessly:
  
-==== 1. The Fixed Cylinder Packing Setup ====+==== The Fixed Cylinder Packing Setup ====
  
 Pack your cylinder exactly to .052 inches (your .050" undercut + .002" squeeze). Use a hard packing recipe to accommodate both mediums beautifully: Pack your cylinder exactly to .052 inches (your .050" undercut + .002" squeeze). Use a hard packing recipe to accommodate both mediums beautifully:
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 Once this is clamped tight, leave it alone. Do not change it when swapping forms. Once this is clamped tight, leave it alone. Do not change it when swapping forms.
  
-==== 2. Form Adjustments in the Press Bed ====+==== Form Adjustments in the Press Bed ====
  
 Because your press packing is now locked into a strict .918" type-high expectation, you will manage your two different forms directly on the bed: Because your press packing is now locked into a strict .918" type-high expectation, you will manage your two different forms directly on the bed:
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 Because both setups resolve to .918", your cylinder packing can remain completely locked into your calculated .052" thickness setup. You will not need to alter your packing formula when shifting between antique type and modern photopolymer. Because both setups resolve to .918", your cylinder packing can remain completely locked into your calculated .052" thickness setup. You will not need to alter your packing formula when shifting between antique type and modern photopolymer.
  
-[1] [https://www.boxcarpress.com](https://www.boxcarpress.com/shop/standard-boxcar-base/) +  - [[https://www.boxcarpress.com/shop/standard-boxcar-base/]] 
-[2] [https://www.facebook.com](https://www.facebook.com/groups/letterpressprinting/posts/10159642842476779/) +  - [[https://www.facebook.com/groups/letterpressprinting/posts/10159642842476779/]] 
-[3] [https://www.boxcarpress.com](https://www.boxcarpress.com/letterpress-base-and-plates/) +  - [[https://www.boxcarpress.com](https://www.boxcarpress.com/letterpress-base-and-plates/]] 
-[4] [https://www.hubbubpaperco.com](https://www.hubbubpaperco.com/photopolymer-plates) +  - [[https://www.hubbubpaperco.com](https://www.hubbubpaperco.com/photopolymer-plates]] 
-[5] [https://www.youtube.com](https://www.youtube.com/watch?v=5u6G0UI10C4) +  - [[https://www.youtube.com](https://www.youtube.com/watch?v=5u6G0UI10C4]] 
-[6] [https://www.briarpress.org](http://www.briarpress.org/21243) +  - [[https://www.briarpress.org](http://www.briarpress.org/21243]] 
-[7] [https://www.boxcarpress.com](https://www.boxcarpress.com/shop/kf-95-letterpress-plates/)+  - [[https://www.boxcarpress.com](https://www.boxcarpress.com/shop/kf-95-letterpress-plates/]]
  
  
  
presses/poco.1790281055.txt.gz · Last modified: by mbpdocs_admin

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