Xerox M20 - WorkCentre B/W Laser, Service Manual

Page: 14 / 314

December 2006
vi WorkCentre M20, 4118, FaxCentre 2218 Family
Warnings, Cautions And Notes
Introduction
• Wiring Diagram 10 (4118)
• PWB Connector Locations
The following procedures are new.
• OF6 Failure to Copy or Fax From the Document Feeder RAP
• IQ 1 Image Quality Entry RAP
• REP 1.6 SMPS (2218)
• REP 1.7 SMPS - PSP Fuser (2218)
• REP 2.3 ELA HOU OPE Assembly (2218)
• REP 5.3 PBA SUB - DADF
• GP 25 DADF Test (2218)
• GP 26 Restriction of Hazardous Substances (RoHS)
• Wiring Diagram 13 (2218)
• Wiring Diagram 14 (2218)
• Wiring Diagram 15 (2218)
• Wiring Diagram 16 (2218)
• Wiring Diagram 17 (2218)
The following bulletins, ETI and TIPs are included.
• ETI 247431 Fuser noisy or noise from the right hand side
• ETI 331895 Modem doesn’t hang up fax line
• ETI 363292 Fax MSG ‘Scan to Memory’ or ‘Copying’ and nothing happens MSG
• ETI 386064 Ghost image 1mm ahead of print
• ETI 398362 Dead machine
• ETI 432631 Folded corners and intermittent jams
• ETI 433022 Background or faded image on faxes
• ETI 460403 Intermittent fax receiving problem
Warnings, Cautions And Notes
A translated version of all warnings is in Translation of Warnings.
WARNING
A warning is used whenever an operating or maintenance procedure, practice, condi-
tion or statement, if not strictly observed, could result in personal injury.
CAUTION
A caution is used whenever an operation or maintenance procedure, practice, condition or
statement, if not strictly observed, could result in damage to the equipment.
NOTE: A note is used where it is essential to highlight a procedure, practice, condition or state-
ment.
The following are examples of the symbols that are used in this manual for an electrostatic
damage caution and laser radiation warning.
ESD caution symbol
CAUTION
Certain components in this product are susceptible to damage from electrostatic discharge.
Observe all ESD procedures to avoid component damage.
Laser radiation warning symbol.
WARNING
Follow the service procedure exactly as written. Use of controls or adjustments other
than those specified in this manual, may result in an exposure to invisible laser radia-
tion. During servicing, the invisible laser radiation can cause eye damage if looked at
directly.