Table of contentsRelated publications iiiNotice ivIntroduction viiAbout the reference set vii4635 Laser Printing System document set viiWhat the message guide contains xHow the message guide is organized xiThe conventions used in this guide xii1. CP (COMPRESS command) messages 1-12. DSR (disk save and restore command) messages 2-13. FD (forms compilation) messages 3-14. HIP (host interface processor) messages 4-15. IFU (Interpress font utility) messages 5-16. OSS (operating system software) messages 6-1OS Level 0: Confirmation 6-1OS Level 1: Information 6-9OS Level 2: Routine maintenance 6-41OS Level 3: Printer problem 6-65OS Level 4: System or tape problem 6-71OS Level 6: Job integrity 6-75OS Level 7: System problem 6-95OS Level 8: Probable severe software error 6-100OS Level 9: Probable severe hardware error 6-1077. PDL (job source library compilation) messages 7-18. PG (PURGE command) messages 8-19. PR (HARDCOPY graphics printing command) messages 9-110. PSC (printer subsystem controller command) messages 10-111. SCALE command messages 11-112. SFS (status file services command) messages 12-113. System verification error messages 13-114. Summary sheet error messages 14-1XEROX 4635 LASER PRINTING SYSTEM MESSAGE GUIDE v