{"id":3185,"date":"2019-05-23T18:04:44","date_gmt":"2019-05-23T18:04:44","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&#038;p=3185"},"modified":"2023-12-27T16:46:16","modified_gmt":"2023-12-27T16:46:16","slug":"c2557-bizhub-c554e-c454e","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c2557-bizhub-c554e-c454e","title":{"rendered":"C2557 (bizhub C554e\/C454e)"},"content":{"rendered":"\n<p>(1)Contents<\/p>\n\n\n\n<table class=\"wp-block-table is-style-stripes\"><tbody><tr><td>Trouble type<\/td><td>Abnormally low toner density detected black TCR sensor<\/td><\/tr><tr><td>Trouble code<\/td><td>C2557: Abnormally low toner density detected black TCR sensor<\/td><\/tr><tr><td>Rank<\/td><td>B<\/td><\/tr><tr><td>Detection timing<\/td><td>When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even though there is toner in the sub hopper<\/td><\/tr><tr><td>Trouble isolation<\/td><td>\u2013<\/td><\/tr><tr><td>Relevant electrical parts<\/td><td>\u2022 Developing unit\/C,M,Y,K&nbsp;<br>\u2022 Toner cartridge\/ C,M,Y,K&nbsp;<br>\u2022 Toner empty switch\/K (PS31)<br>\u2022 Toner bottle motor (M10)&nbsp;<br>\u2022 Toner supply motor\/K (M6)&nbsp;<br>\u2022 Front side board (FRB)&nbsp;<br>\u2022 Printer control board (PRCB)<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p>&nbsp;(2)Procedure<\/p>\n\n\n\n<table class=\"wp-block-table is-style-stripes\"><thead><tr><td>Step<\/td><td>Action<\/td><td>Control signal<\/td><td>Location of electrical components<\/td><\/tr><\/thead><tbody><tr><td>1<\/td><td>Perform image troubleshooting procedure if image density is low.<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td>2<\/td><td>Reinstall developing unit<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td>3<\/td><td>Reinstall toner cartridge<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td>4<\/td><td>Check the connector between developing unit-FRB CN13, CN14, CN15, CN16 for proper connection and correct as necessary.<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td>5<\/td><td>Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary.<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td>6<\/td><td>M10 operation check<\/td><td>PRCB CN14-13 to 16<\/td><td>18-C<\/td><\/tr><tr><td>7<\/td><td>M6, M7. M8, M9 operation check<\/td><td>PRCB CN14-17 to 20 (M6)<br>PRCB CN14-9 to 12 (M7)<br>PRCB CN14-5 to 8 (M8)<br>PRCB CN14-1 to 4 (M9)<\/td><td>17 to 18-C<\/td><\/tr><tr><td>8<\/td><td>If the toner empty sensor and its surroundings inside the sub hopper are dirtied with toner, clean them.<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td>9<\/td><td><a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhubC454eC554eService\/D0000997367\/D0000997367.html\">Replace the developing unit<\/a>&nbsp;(Part# A2XN03D)<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td>10<\/td><td><a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhubC454eC554eService\/D0000997494\/D0000997494.html\">Replace FRB<\/a>&nbsp;(Part# A7PUH00500)<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><tr><td>11<\/td><td><a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhubC454eC554eService\/D0000997497\/D0000997497.html\">Replace PRCB<\/a>\u00a0(C554e Part# A5AYH00101 \/ C454e Part# A5C0H00101)<\/td><td>\u2013<\/td><td>\u2013<\/td><\/tr><\/tbody><\/table>\n\n\n\n<ul class=\"wp-block-list\"><li>Link to the wiring diagram (<a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhubC454eC554eService\/D0000999085\/D0000999085.html\">N.1. bizhub C554e\/C454e<\/a>)<\/li><li>Link to the layout drawings for related parts by each trouble code (<a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhubC454eC554eService\/D0001089896\/D0001089896.html\">S.69. C2557<\/a><strong>)<\/strong> <\/li><\/ul>\n\n\n\n<p><strong>Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.<\/strong><\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"http:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhubC454eC554eService\/D0000998753\/D0000998753.html\" target=\"_blank\">K.3.7.7<\/a>&nbsp;(Link to the Field Service Manual)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(1)Contents Trouble type Abnormally low toner density detected black TCR sensor Trouble code C2557: Abnormally low toner density detected black TCR sensor Rank B Detection timing When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c2557-bizhub-c554e-c454e\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;C2557 (bizhub C554e\/C454e)&#8221;<\/span><\/a><\/p>\n","protected":false},"author":231,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"epkb_post_type_1_category":[953],"epkb_post_type_1_tag":[],"class_list":["post-3185","epkb_post_type_1","type-epkb_post_type_1","status-publish","hentry","epkb_post_type_1_category-c2-c554e-c454e"],"_links":{"self":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/3185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1"}],"about":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/types\/epkb_post_type_1"}],"author":[{"embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/users\/231"}],"replies":[{"embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3185"}],"version-history":[{"count":3,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/3185\/revisions"}],"predecessor-version":[{"id":12424,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/3185\/revisions\/12424"}],"wp:attachment":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3185"}],"wp:term":[{"taxonomy":"epkb_post_type_1_category","embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fepkb_post_type_1_category&post=3185"},{"taxonomy":"epkb_post_type_1_tag","embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fepkb_post_type_1_tag&post=3185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}