Xerox Phaser 7400 Service Manual

Also see for Phaser 7400: Brochure & specs Supplementary guide User guide Evaluator guide Setup guide

Contents

Xerox Phaser 7400 Service Manual Manual pdf 113 page image

Error Messages and Codes 3-3Status PageThe Status page is a two-page report that provides general information about theprinter, the consumables, the status of routine maintenance items, registration andcolor test patterns. The first page includes general information about the printerincluding firmware versions, page count, feature set, and consumables. Page 1 alsoprovides color registration, calibration, and print target examples.The second page provides a log of the last 50 errors with date, page count,description, and code. For a complete listing of all possible codes, see "Printer StatusCodes" on page A-4.To print the Status page, go to the Troubleshooting menu, and then select ServiceTools. The Status page appears as an option on the Service Tools menu.Service Usage ProfileThe Service Usage Profile tracks printer activity, consumable usage and printer status.This data is stored in NVRAM. Service Usage Profile data includes error logs thatretain detail on the type, date, location and frequency of both engine and jam errors.While the Service Usage Profile includes data on all aspects of the printer, this sectionfocuses on accessing these two error logs to review printer fault history. Only Engine(fatal) and jam errors are recorded in these two logs. Other errors and warnings arerecorded elsewhere in the Service Usage Profile. Print the Status page for a completehistory. The Error Message Summary table beginning on (page 3-7) lists all errors,their respective codes, and the page where the troubleshooting procedure begins.Interpreting Error LogsError logs appear on the Control Panel as a list of semi-colon separated value pairs ofthe form , ;. The Engine and Jam Error Logs record the last 30

events. Log entries move top to bottom. Note that a value of 0 (zero) or “--“ in a logindicates no data and <pg_count> is the Total Page count when the error occurred.For example, the following provides a partial example of the Engine Error Log as itmight appear on the display:U32,1460;0,0;0,0;0,0;0,0;The U32,1460 pair indicates the printer recorded a Fuser Fan failure, represented bythe code U32, at total page count 1460. The 0,0 pairs indicate no error activity, Aprinted log consists of several lines in the Service Usage Profile report (typically 2-5lines). Each log typically includes an event code, a corresponding date, acorresponding page, and a total event counter. In the case of fatal errors, there are fourlines (261-264). In the case of jams, there are five lines (291-295 and 298).