{"id":33289,"date":"2019-02-23T01:50:56","date_gmt":"2019-02-23T09:50:56","guid":{"rendered":"https:\/\/www.enxmag.com\/twii\/?p=33289"},"modified":"2019-02-24T01:26:52","modified_gmt":"2019-02-24T09:26:52","slug":"rebuilding-decurler-transports-xerox-dcp-700-j75-and-v80-families-part-1","status":"publish","type":"post","link":"http:\/\/www.enxmag.com\/twii\/tech-tip\/2019\/02\/rebuilding-decurler-transports-xerox-dcp-700-j75-and-v80-families-part-1\/","title":{"rendered":"Rebuilding Decurler Transports: Xerox DCP 700, J75 and V80 Families\u2014Part 1"},"content":{"rendered":"<p><strong>Xerox Digital Color Press DCP-700\/700i\/770, Color Press C75\/J75 and Versant V80, V180, V2100, V3100<\/strong><\/p>\n<p>While it hasn\u2019t been an option in the past, it\u2019s finally becoming possible to rebuild or repair decurler transport assemblies. Foam decurler rollers are spared in the J75 parts book, where they were missing from the DCP700 list.<\/p>\n<p>So let\u2019s begin by checking out how to protect the gears on the front end of the unit; these four little white gears are known for getting chewed up for reasons we\u2019ll discuss. Then we\u2019ll take one of these units apart far enough to replace these four gears.<\/p>\n<div id=\"attachment_33292\" style=\"width: 673px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-33292\" loading=\"lazy\" class=\"wp-image-33292 size-full\" src=\"https:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/DCP700-decurler-transport-1.jpg\" alt=\"\" width=\"663\" height=\"471\" srcset=\"http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/DCP700-decurler-transport-1.jpg 663w, http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/DCP700-decurler-transport-1-300x213.jpg 300w\" sizes=\"(max-width: 663px) 100vw, 663px\" \/><p id=\"caption-attachment-33292\" class=\"wp-caption-text\">DCP700 decurler transport<\/p><\/div>\n<p>There are three versions of the decurler transport assemblies, and each version has its own OEM part numbers. While they are similar, there are some differences between them. The large foam rollers are the same for all three versions.<\/p>\n<ul>\n<li>DCP700\/700i\/770 version (059K62633)<br \/>\no OEM Refurbished= 641S00720<\/li>\n<li>\u00a0J75 \/ C75 version (059k79264)<br \/>\no OEM Refurbished= 641S01011<\/li>\n<li>V80\/V180\/V2100 version (059K81491)<br \/>\no OEM Refurbished= 641S01072<\/li>\n<\/ul>\n<p>In many cases, the limiting factor for these units ends up being four small white gears at the front end. There are two idler gears\u2014one with 11 teeth, and one with 13 teeth\u2014and there are two drive gears which fit onto D shafts (one fits on the upper drive roll and one fits the lower drive roll).<\/p>\n<p>These gears are in harm\u2019s way of toner and developer falling from the developer unit above. The grit gets into the teeth of the gears and wears them down rather quickly. One look at the ramp-like black front-end cover makes it clear why so much grit lands on the gears, but installing a Mylar sheet on this cover will protect these gears. (See photos #1 and 2)<\/p>\n<div id=\"attachment_33290\" style=\"width: 620px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-33290\" loading=\"lazy\" class=\"size-full wp-image-33290\" src=\"https:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photos-1-2.jpg\" alt=\"\" width=\"610\" height=\"330\" srcset=\"http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photos-1-2.jpg 610w, http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photos-1-2-300x162.jpg 300w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><p id=\"caption-attachment-33290\" class=\"wp-caption-text\">Photos #1 &amp; 2: lower front cover and a solution to protect the gears<\/p><\/div>\n<p>Now let\u2019s open one up and see how to get to the four important gears.<\/p>\n<p><strong>Tools required<\/strong><\/p>\n<ul>\n<li>#1 Phillips head screwdriver or 5.5mm hex driver<\/li>\n<li>Small flathead screwdriver<\/li>\n<\/ul>\n<p><strong>Parts you may need<\/strong><\/p>\n<ul>\n<li>Decurler transport gear kit, four gears (DC700DTGK or V80DTGK)<\/li>\n<li>Decurler foam roll (DC700DTFR or V80DTFR: 059K56451)<\/li>\n<\/ul>\n<p>Procedure<br \/>\n1. Lay the unit on its right side and remove the hinge-limit bracket (1 screw, see photo #4). While holding both upper and lower halves steady, carefully lift the green latch to release the two halves and open the unit up all the way.<\/p>\n<div id=\"attachment_33295\" style=\"width: 620px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-33295\" loading=\"lazy\" class=\"size-full wp-image-33295\" src=\"https:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photos-4-5.jpg\" alt=\"\" width=\"610\" height=\"141\" srcset=\"http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photos-4-5.jpg 610w, http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photos-4-5-300x69.jpg 300w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><p id=\"caption-attachment-33295\" class=\"wp-caption-text\">Photo #4 &amp; 5: hinge retainer bracket and upper assembly shown hinged all the way open<\/p><\/div>\n<p>Caution: the hinge\u2019s spring is strong, so take care not to let go of either half until the unit is fully open (see photo #5).<\/p>\n<p>2. Remove the two idler gears (11-toothed and 13-toothed) from their shafts on the inside of the front-end frame (one e-clip each, see photo #3). Important: Take care not to lose the tiny white plastic spacer ring which shares the same shaft as the 11-toothed idler gear.<\/p>\n<div id=\"attachment_33294\" style=\"width: 620px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-33294\" loading=\"lazy\" class=\"wp-image-33294\" src=\"https:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo-3.jpg\" alt=\"\" width=\"610\" height=\"632\" srcset=\"http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo-3.jpg 444w, http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo-3-290x300.jpg 290w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><p id=\"caption-attachment-33294\" class=\"wp-caption-text\">Photo #3: lower assembly parts<\/p><\/div>\n<p>3. Remove the upper drive-roll gear (one e-clip, see photo #6)<\/p>\n<div id=\"attachment_33296\" style=\"width: 620px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-33296\" loading=\"lazy\" class=\"wp-image-33296\" src=\"https:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo-6.jpg\" alt=\"\" width=\"610\" height=\"622\" srcset=\"http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo-6.jpg 447w, http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo-6-294x300.jpg 294w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><p id=\"caption-attachment-33296\" class=\"wp-caption-text\">Photo #6: upper drive-roll gear<\/p><\/div>\n<p>4. Next up is the lower drive-roll gear. Start by removing the lower drive-roll coupling from the rear end of the unit (one e-clip) and the inner e-clip and bearing (see photo #7).<\/p>\n<div id=\"attachment_33297\" style=\"width: 620px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-33297\" loading=\"lazy\" class=\"wp-image-33297\" src=\"https:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo7.jpg\" alt=\"\" width=\"610\" height=\"779\" srcset=\"http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo7.jpg 443w, http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo7-235x300.jpg 235w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><p id=\"caption-attachment-33297\" class=\"wp-caption-text\">Photo #7: lower drive coupling<\/p><\/div>\n<p>5. Take off the black plastic cover from the lower left corner of the front end (one screw, see photo #8).<\/p>\n<div id=\"attachment_33298\" style=\"width: 620px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-33298\" loading=\"lazy\" class=\"size-full wp-image-33298\" src=\"https:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photos-8-9.jpg\" alt=\"\" width=\"610\" height=\"307\" srcset=\"http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photos-8-9.jpg 610w, http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photos-8-9-300x151.jpg 300w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><p id=\"caption-attachment-33298\" class=\"wp-caption-text\">Photos #8 &amp; 9: lower left cover and motor bracket assembly<\/p><\/div>\n<p>6. From the front end of the lower half, take off the motor mounting bracket (three screws and two wiring harness clips to release, see photo #9).<\/p>\n<p>7. Remove the e-clip and bearing from the front end of the lower drive roller.<\/p>\n<p>8. Shift the lower drive roller toward the rear of the unit until you can slide the gear off the front end of the roller. That\u2019s the fourth of the group of small white gears which usually fail.<\/p>\n<div id=\"attachment_33299\" style=\"width: 620px\" class=\"wp-caption alignleft\"><img aria-describedby=\"caption-attachment-33299\" loading=\"lazy\" class=\"wp-image-33299\" src=\"https:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo10.jpg\" alt=\"\" width=\"610\" height=\"456\" srcset=\"http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo10.jpg 512w, http:\/\/www.enxmag.com\/twii\/wp-content\/uploads\/2019\/02\/photo10-300x224.jpg 300w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><p id=\"caption-attachment-33299\" class=\"wp-caption-text\">Photo #10: lower drive shaft removal<\/p><\/div>\n<p>OK, time to take a breather. You\u2019ve taken it apart enough to replace the four gears. Next month, we\u2019ll take things a bit further by replacing the upper and lower foam rollers, as well as the four small white back-up rollers hiding behind the two drive rollers. The back-up rollers have the smallest-imaginable ball bearings.<\/p>\n<p>Happy repairs, everyone\u2014see you next month for Part 2!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Xerox Digital Color Press DCP-700\/700i\/770, Color Press C75\/J75 and Versant V80, V180, V2100, V3100 While it hasn\u2019t been an option in the past, it\u2019s finally becoming possible to rebuild or repair decurler transport assemblies. Foam decurler rollers are spared in the J75 parts book, where they were missing from the DCP700 list. So let\u2019s begin by checking out how to protect the gears on the front end of the unit; these four little white gears are known for getting chewed up for reasons we\u2019ll discuss. Then we\u2019ll take one of these units apart far enough to replace these four gears. There are three versions of the decurler transport assemblies, and each version has its own OEM part numbers. While they are similar, there are some differences between them. The large foam rollers are the same for all three versions. DCP700\/700i\/770 version (059K62633) o OEM Refurbished= 641S00720 \u00a0J75 \/ C75 version (059k79264) o OEM Refurbished= 641S01011 V80\/V180\/V2100 version (059K81491) o OEM Refurbished= 641S01072 In many cases, the limiting factor for these units ends up being four small white gears at the front end. There are two idler gears\u2014one with 11 teeth, and one with 13 teeth\u2014and there are two drive gears which fit onto D shafts (one fits on the upper drive roll and one fits the lower drive roll). These gears are in harm\u2019s way of toner and developer falling from the developer unit above. The grit gets into the teeth of the gears and wears them down rather quickly. One look at the ramp-like black front-end cover makes it clear why so much grit lands on the gears, but installing a Mylar sheet on this cover will protect these gears. (See photos #1 and 2) Now let\u2019s open one up and see how to get to the four important gears. Tools required #1 Phillips head screwdriver or 5.5mm hex driver Small flathead screwdriver Parts you may need Decurler transport gear kit, four gears (DC700DTGK or V80DTGK) Decurler foam roll (DC700DTFR or V80DTFR: 059K56451) Procedure 1. Lay the unit on its right side and remove the hinge-limit bracket (1 screw, see photo #4). While holding both upper and lower halves steady, carefully lift the green latch to release the two halves and open the unit up all the way. Caution: the hinge\u2019s spring is strong, so take care not to let go of either half until the unit is fully open (see photo #5). 2. Remove the two idler gears (11-toothed and 13-toothed) from their shafts on the inside of the front-end frame (one e-clip each, see photo #3). Important: Take care not to lose the tiny white plastic spacer ring which shares the same shaft as the 11-toothed idler gear. 3. Remove the upper drive-roll gear (one e-clip, see photo #6) 4. Next up is the lower drive-roll gear. Start by removing the lower drive-roll coupling from the rear end of the unit (one e-clip) and the inner e-clip and bearing (see photo #7). 5. Take off the black plastic cover from the lower left corner of the front end (one screw, see photo #8). 6. From the front end of the lower half, take off the motor mounting bracket (three screws and two wiring harness clips to release, see photo #9). 7. Remove the e-clip and bearing from the front end of the lower drive roller. 8. Shift the lower drive roller toward the rear of the unit until you can slide the gear off the front end of the roller. That\u2019s the fourth of the group of small white gears which usually fail. OK, time to take a breather. You\u2019ve taken it apart enough to replace the four gears. Next month, we\u2019ll take things a bit further by replacing the upper and lower foam rollers, as well as the four small white back-up rollers hiding behind the two drive rollers. The back-up rollers have the smallest-imaginable ball bearings. Happy repairs, everyone\u2014see you next month for Part 2!<\/p>\n","protected":false},"author":64,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1648],"tags":[],"_links":{"self":[{"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/posts\/33289"}],"collection":[{"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/users\/64"}],"replies":[{"embeddable":true,"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/comments?post=33289"}],"version-history":[{"count":7,"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/posts\/33289\/revisions"}],"predecessor-version":[{"id":33312,"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/posts\/33289\/revisions\/33312"}],"wp:attachment":[{"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/media?parent=33289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/categories?post=33289"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.enxmag.com\/twii\/wp-json\/wp\/v2\/tags?post=33289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}