Lexmark C750 Service Manual - Page 35

5060-00x 2. Diagnostic information Start CAUTION: Remove the power cord from the printer or electrical outlet before you connect or disconnect any cable or electronic board or assembly for personal safety and to prevent damage to the printer. Disconnect any connections between the printer and PCs/peripherals. The printer weighs 47.7 kg (105 lb) and requires at least two people to lift it safely. Make sure your fingers are not under the printer when you lift or set the printer down. To determine the corrective action necessary to repair a printer, see the following topics: "POR (power-on reset) sequence" on page 2-2 "Symptom table-base printer" on page 2-3 "Symptom table-500-sheet drawer option" on page 2-4 "Symptom table-HCIT 2000-sheet option" on page 2-4 "Symptom table-output expander option" on page 2-5 "Symptom table-5-bin mailbox option" on page 2-5 "Symptom table-finisher option" on page 2-5 "Error code table" on page 2-6 "Sub error code table" on page 2-17 "HCIT system board LED error code table" on page 2-128 "HCOF error code table" on page 2-122 "2xx Paper jam message table" on page 2-25 "User attendance message table" on page 2-28 "Service checks" on page 2-42 Note: There may be printer error messages that are not contained in this service manual. Call your next level support for assistance. Diagnostic information 2-1