December 2006
4-1
WorkCentre M20, 4118, FaxCentre 2218 Family
Repairs and Adjustments
4 Repairs/Adjustments
REPs 1 - Standby Power
REP 1.1 SMPS + HVPS (M20F) .....................................................................................
4-3
REP 1.2 PBA Main (M20F) .............................................................................................
4-4
REP 1.3 PBA Main (4118/2218) .....................................................................................
4-5
REP 1.4 HVPS (4118/2218)............................................................................................
4-6
REP 1.5 SMPS (4118) ....................................................................................................
4-7
REP 1.6 SMPS (2218) ....................................................................................................
4-9
REP 1.7 SMPS - PSP Fuser (2218)................................................................................
4-10
REPs 2 - User Interface
REP 2.1 ELA HOU OPE Assembly (M20F) ....................................................................
4-13
REP 2.2 ELA HOU OPE Assembly (4118) .....................................................................
4-15
REP 2.3 ELA HOU OPE Assembly (2218) .....................................................................
4-17
REPs 4 - Main Frame, Covers and Drives
REP 4.1 ELA HOU - Drive Assembly ..............................................................................
4-19
REP 4.2 MEA Unit - Rear Cover .....................................................................................
4-20
REP 4.3 PMO Cover Exit Rear .......................................................................................
4-21
REP 4.4 ELA HOU - Frame Main Assembly ...................................................................
4-22
REPs 5 - Document Transport
REP 5.1 ELA HOU - DADF (M20F/2218) .......................................................................
4-25
REP 5.2 ELA HOU - ADF (4118) ....................................................................................
4-32
REP 5.3 PBA SUB - DADF .............................................................................................
4-35
REPs 6 - Imaging
REP 6.1 Unit - LSU .........................................................................................................
4-37
REPs 7 - Paper Supply
REP 7.1 MEC Unit - Tray Assembly ...............................................................................
4-39
REPs 8 - Paper Transport
REP 8.1 ELA HOU - Side Cover Assembly ....................................................................
4-41
REP 8.2 MEA Unit - Duplex Assembly............................................................................
4-42
REP 8.3 Transfer Roller Assembly .................................................................................
4-42
REP 8.4 ELA HOU - MP Assembly .................................................................................
4-43
REP 8.5 MEA Unit - Feed Roller Assembly ....................................................................
4-44
REP 8.6 ELA HOU - Pickup Assembly ...........................................................................
4-45
REPs 10 - Print Transport and Fusing
REP 10.1 ELA HOU - Fuser Assembly ...........................................................................
4-49
REP 10.2 MEC - Exit Assembly ......................................................................................
4-51
REP 10.3 MEA Unit - Cover PA Exit Assembly ..............................................................
4-52
REPs 14 - Scanner
REP 14.1 ELA HOU - Scanner Assembly .......................................................................
4-53
ADJs 1 - Machine Settings
ADJ 1.1 Machine Settings ...............................................................................................
4-59
ADJs 5 - Document Transport
ADJ 5.1 DADF Side Edge Registration Adjustment (M20F/2218) ..................................
4-61
ADJ 5.2 ADF Side Edge Registration Adjustment (4118) ...............................................
4-61