Lexmark C782 Service Manual - Page 82
Envelope feeder, HCIT system board LED error code table,
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5061 Step 10 Actions and questions Is the registration home sensor operating correctly? 11 Use the "HCIT system board LED error code table" on page 2-84. Does the LED flash 8 times? 12 Make sure the pick home sensor cable is installed correctly to the sensor and to CN6 on the system board. Is the cable connected correctly? 13 Is the registration home sensor operating correctly? 14 Use the Standalone Feeding Operation Test to determine where the paper jams. Use the "HCIT system board LED error code table" on page 2-84 to help isolate problems in the feed unit assembly. Are you able to determine where the failure is occurring? Yes Replace the following FRUs in the order shown: 1. HCIT system board. 2. Feed unit assembly. Go to step 12 Go to step 13 Replace the following FRUs in the order shown: 1. HCIT system board. 2. Feed unit assembly. Repair or replace parts as necessary. No Replace the following FRUs in the order shown: 1. Registration sensor. 2. HCIT system board. Go to step 14 Install the cable correctly. Replace the following FRUs in the order shown: 1. Registration sensor 2. HCIT system board. Replace the feed unit assembly. Envelope feeder Before proceeding with this service check, make sure the envelope option is installed correctly. Step 1 Actions and questions Make sure the envelopes installed in the tray meet specifications. Some guidelines that can be used in selection of envelopes that will minimize the jam rate are: • Flat envelopes that are not warped or twisted. • Flexible envelopes that can conform to the paper path. • Smooth surface on the envelopes. Rough or ridged surfaces may cause the envelopes to stick together in the tray. • No cotton content, or as little as possible to meet the user's needs. • If the envelopes have a pressure-sensitive adhesive flap, performance might be improved by reversing the orientation of the envelope in the tray and reversing the image in the drive or application. Are any problems found with the envelopes? Yes Inform the customer of the problems with the envelopes that do not meet specifications. No Go to step 2 2-40 Service Manual