{"id":26259,"date":"2025-06-10T14:34:12","date_gmt":"2025-06-10T14:34:12","guid":{"rendered":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=26259"},"modified":"2025-06-10T14:34:18","modified_gmt":"2025-06-10T14:34:18","slug":"c2559-c255a-c255b-c255c-c4751i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c2559-c255a-c255b-c255c-c4751i","title":{"rendered":"C2559, C255A, C255B, C255C (C4751i)"},"content":{"rendered":"\n

Contents<\/h2>\n\n\n\n
Trouble type<\/td>C2559: Cyan TCR sensor adjustment failureC255A: Magenta TCR sensor adjustment failureC255B: Yellow TCR sensor adjustment failureC255C: Black TCR sensor adjustment failure<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Trouble detection condition<\/td>TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.<\/td><\/tr>
Trouble isolation<\/td>–<\/td><\/tr>
Relevant electrical parts<\/td>Imaging unit\/C,M,Y,KCPU board (CPUB)Base board (BASEB)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Procedure<\/h2>\n\n\n\n
    \n
  1. Reinstall the imaging unit.<\/li>\n\n\n\n
  2. Check the connector between the imaging unit\/C-relay CN5-BASEB CN14E for proper connection and correct as necessary. (C2559)<\/li>\n\n\n\n
  3. Check the connector between the imaging unit\/M-relay CN8-BASEB CN14E for proper connection and correct as necessary. (C255A)<\/li>\n\n\n\n
  4. Check the connector between the imaging unit\/Y-relay CN7-BASEB CN14E for proper connection and correct as necessary. (C255B)<\/li>\n\n\n\n
  5. Check the connector between the imaging unit\/K-relay CN6-BASEB CN14E for proper connection and correct as necessary. (C255C)<\/li>\n\n\n\n
  6. Check CPUB for proper installation and correct as necessary.<\/li>\n\n\n\n
  7. Replace the corresponding imaging unit.<\/a><\/li>\n\n\n\n
  8. Replace CPUB.<\/a><\/li>\n\n\n\n
  9. Replace BASEB.<\/a><\/li>\n<\/ol>\n\n\n\n

    (Link to the Field Service Manual)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Contents Trouble type C2559: Cyan TCR sensor adjustment failureC255A: Magenta TCR sensor adjustment failureC255B: Yellow TCR sensor adjustment failureC255C: Black TCR sensor adjustment failure Rank B Trouble detection condition TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value. Trouble isolation – Relevant electrical parts Imaging unit\/C,M,Y,KCPU board (CPUB)Base board … <\/p>\n

    Continue reading “C2559, C255A, C255B, C255C (C4751i)”<\/span><\/a><\/p>\n","protected":false},"author":227,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"epkb_post_type_1_category":[1393],"epkb_post_type_1_tag":[],"class_list":["post-26259","epkb_post_type_1","type-epkb_post_type_1","status-publish","hentry","epkb_post_type_1_category-c2-4750i-4050i-trouble"],"_links":{"self":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26259","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\/227"}],"replies":[{"embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=26259"}],"version-history":[{"count":1,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26259\/revisions"}],"predecessor-version":[{"id":26276,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26259\/revisions\/26276"}],"wp:attachment":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26259"}],"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=26259"},{"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=26259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}