Lexmark C780 Service Manual - Page 152
Second, transfer roll, removal on, Transfer, HVPS board, assembly
View all Lexmark C780 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 152 highlights
5061 Step 4 Actions and questions Check the continuity of the second transfer cable. Is there continuity? 5 Make sure the ITU bias spring is not broken or missing for the color(s) that is having transfer problems. Is the ITU bias spring broken, off, or missing? 6 Check the transfer HVPS to ITU HV transfer terminal for the color(s) that is having transfer problems. Is the cable disconnected or broken? 7 Transfer terminal contact assembly and ITU transfer bellcrank-Check the transfer terminal contact, transfer cable, and ITU transfer bellcrank assemblies to make sure they are installed correctly, not loose, or broken. Are there any problems with the transfer terminal contact, transfer cable connection, or ITU transfer bellcrank assemblies? Yes Replace the FRUs in order: 1) Second transfer roll. See "Second transfer roll removal" on page 4-88. 2) Transfer HPVS board. See "Transfer HVPS board removal" on page 4-91. If this does not correct the problem, go to step 5. Repair as necessary. Reinstall or replace the cable. Repair or replace as necessary. If this does not correct the problem, contact your next level of support. No Replace the second transfer cable. Go to step 7 Go to step 7 Replace the FRUs in order: 1) Transfer HVPS board. See "Transfer HVPS board removal" on page 4-91. 2) Second transfer roll. See "Second transfer roll removal" on page 4-88. 3) ITU assembly. See "ITU assembly removal" on page 4-49. 2-110 Service Manual