{"id":20508,"date":"2020-06-23T20:18:55","date_gmt":"2020-06-23T20:18:55","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=20508"},"modified":"2023-12-13T18:42:41","modified_gmt":"2023-12-13T18:42:41","slug":"72-43-bizhub-c750i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=72-43-bizhub-c750i","title":{"rendered":"72-43 (bizhub C750i)"},"content":{"rendered":"\n

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

When FS-539+PK-524 or FS-539SD+PK-524 is installed<\/h2>\n\n\n\n

Contents<\/h2>\n\n\n\n
JAM type<\/td>Misfeed at PK section (When FS-539+PK-524 or FS-539SD+PK-524 is installed)<\/td><\/tr>
JAM code<\/td>72-43<\/td><\/tr>
JAM detection timing<\/td>72-43: The punch position sensor (PS2) is not turned ON (unblocked) after a lapse of a given time after the punch drive motor (M1) starts rotating.<\/td><\/td><\/tr>
Misfeed processing location<\/td>Front door<\/td><\/tr>
Relevant parts<\/td>-Punch drive motor (M1)
-Punch position sensor (PS2)
-FS control board (FSCB)<\/td><\/tr><\/tbody><\/table>\n\n\n\n

Procedure<\/h2>\n\n\n\n
Step<\/th>Action<\/th>Control signal<\/th>Location of electrical component<\/th><\/tr><\/thead>
1<\/td>Initial check items<\/a><\/td>–<\/td>–<\/td><\/tr>
2<\/td>PS2 I\/O check, sensor check<\/td>FSCB J7-2 (ON)<\/td>FS-539\/FS-539SD (PK-524) 13-K<\/td><\/tr>
3<\/td>M1 operation check<\/td>FSCB J7-7 to 8<\/td>FS-539\/FS-539SD (PK-524) 13-K<\/td><\/tr>
4<\/td>Replace FSCB.<\/a> (Part# AAR4PP8201)<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n

 When FS-540+PK-526 or FS-540SD+PK-526 is installed<\/h2>\n\n\n\n

Contents<\/h2>\n\n\n\n
JAM type<\/td>Misfeed at PK section (When FS-540+PK-526 or FS-540SD+PK-526 is installed)<\/td><\/tr>
JAM code<\/td>72-43<\/td><\/tr>
JAM detection timing<\/td>72-43: The punch home sensor (PS301) is not turned ON (unblocked) after a lapse of a given time after the punch drive motor (M301) starts rotating.<\/td><\/td><\/tr>
<\/td>Paper jam of a sheet of paper left at the PK section results, when the main power switch is turned ON, and the paper is detected by the paper size detect board (PSDTB).<\/td><\/tr>
Misfeed processing location<\/td>Front door<\/td><\/tr>
Relevant parts<\/td>72-43:
-Punch drive motor (M301)
-Punch home sensor (PS301)
-Punch control board (PKCB)
-FS control board (FSCB)<\/td>		<\/td><\/tr>
Residual paper jam<\/td>-Paper size detect board (PSDTB)
-FS control board (FSCB)<\/td><\/tr><\/tbody><\/table>\n\n\n\n

Procedure<\/h2>\n\n\n\n
Step<\/th>Action<\/th>Control signal<\/th>Location of electrical component<\/th><\/tr><\/thead>
1<\/td>Initial check items<\/a><\/td>–<\/td>–<\/td><\/tr>
2<\/td>PS301 I\/O check, sensor check<\/td>PKCB CN36-5 (ON)<\/td>PK-526 3-C<\/td><\/tr>
3<\/td>M301 operation check<\/td>PKCB CN35-1 to 3<\/td>PK-526 2-C<\/td><\/tr>
4<\/td>Replace PKCB.<\/a> (Part# A99KH00103)<\/td>–<\/td>–<\/td><\/tr>
5<\/td>Replace FSCB.<\/a> (Part# AAR5PPD401)<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n

Residual paper jam<\/p>\n\n\n\n
Step<\/th>Action<\/th>Control signal<\/th>Location of electrical component<\/th><\/tr><\/thead>
1<\/td>Initial check items<\/a><\/td>–<\/td>–<\/td><\/tr>
2<\/td>Adjust the sensitivity (light intensity) by selecting [Service Mode] -> [Finisher] -> [FS-FN adjustment] -> [Punch F. Sensor Intensity Adj.].

After adjustment, open and then close the front door, and check if the residual paper jam indication disappears.

To turn off the main power switch, wait for more than 10 seconds until the residual paper jam indication disappears<\/td>		–<\/td>–<\/td><\/tr>
3<\/td>Replace PKCB.<\/a> (Part# A99KH00103)<\/td>–<\/td>–<\/td><\/tr>
4<\/td>Replace FSCB.<\/a> (Part# AAR5PPD401)<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n

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

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers. When FS-539+PK-524 or FS-539SD+PK-524 is installed Contents JAM type Misfeed at PK section (When FS-539+PK-524 or FS-539SD+PK-524 is installed) JAM code 72-43 JAM detection timing 72-43: The punch position sensor (PS2) is not turned ON (unblocked) after a … <\/p>\n

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