Lexmark C750 Service Manual - Page 183

5060-00x Step 7 Actions and questions 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 Repair or replace as necessary. If this does not correct the problem, contact your next level support. No Replace the FRUs in order: 1. Transfer HVPS board. See"Transfer HVPS board removal" on page 4-80 2. Engine board. See "Engine board removal" on page 4-29 3. ITU assembly. See "ITU assembly removal" on page 4-37 Tray 1 service check Tray 1 does not stay seated or fit correctly in the printer, the media fails to feed correctly from Tray 1 or Tray 1 is difficult to install The Tray 1 Feed Test in the Diagnostics Menu can be used to help isolate problems with paper feeding from Tray 1. Step 1 Action and questions Check the following parts in tray 1 for broken or missing parts. • Tray bias spring loose or missing • Tray bias bellcrank Are any parts broken, loose, or missing? 2 Make sure the autocompensator has fully retracted to its upper position. Does the autocompensator retract correctly? 3 Check for any signs of damage to the paper tray guide. Is the paper tray guide damaged, loose or missing? Replace the Paper Tray Guide. Go to step 3 Go to "Autocompensator service check" on page 2-114 Go to "Autocompensator service check" on page 2-114 Go to "Autocompensator service check" on page 2-114 Yes Repair or replace parts as necessary No Go to step 2 4 Check the following parts for wear, damage, or missing parts. • Wear strips • Restraint pads • Wear clip • Side restraint • Back restraint and back restraint latch Are there broken, worn or missing parts? Repair or replace parts as necessary Diagnostic information 2-149