Service manual

Service Manual xi
Figures
Figure 1-1. The DECcolorwriter 1000 (shown with the Lower Tray Assembly) 1-1
Figure 1-2. Internal features of the DECcolorwriter 1000 print engine 1-3
Figure 1-3. Sensors and switches on the DECcolorwriter 1000 print engine 1-4
Figure 1-4. Features of the DECcolorwriter 1000 image processor board 1-7
Figure 1-5. DECcolorwriter 1000 rear panel 1-9
Figure 1-6. DECcolorwriter 1000 front panel 1-10
Figure 2-1. The DECcolorwriter 1000 packaging 2-6
Figure 5-1. The thermal-wax transfer print process 5-3
Figure 5-2. Print engine board block diagram 5-6
Figure 5-3. The paper pick process 5-10
Figure 5-4. Paper clamp opening to receive a sheet of paper 5-11
Figure 5-5. Clamping the paper 5-11
Figure 5-6. Positioning the paper for printing 5-12
Figure 5-7. Printing on the paper 5-12
Figure 5-8. Raising the thermal head between passes 5-13
Figure 5-9. Ejecting the print 5-14
Figure 5-10. Power supply block diagram 5-16
Figure 5-11. The image processor graphics pipeline 5-18
Figure 6-1. Measuring the DC voltages (test points) 6-4
Figure 6-2. Locating the fuses 6-5
Figure 6-3. 24 VDC safety interlocks (top and front covers) 6-7
Figure 6-4. Proper front idler roller-to-drum alignment (to prevent wrinkling) 6-17
Figure 7-1. Lubricating the clutches 7-3
Figure 8-1 Removing the Lower Tray Assembly 8-2
Figure 8-2 Removing the cabinet panels 8-4
Figure 8-3 Removing the paper-feed module 8-5
Figure 8-4 Removing the paper-feed circuit board 8-6
Figure 8-5 Removing the paper-feed unit screws 8-7
Figure 8-6 Separating the paper-feedþunit 8-8
Figure 8-7 Removing the pick roller andþclutch 8-9
Figure 8-8 Removing the paper-empty flag 8-10
Figure 8-9 Removing the lower aligningþroller 8-11
Figure 8-10 Removing the paper-pass sensor 1 flag 8-12
Figure 8-11 Removing the upper aligning roller 8-13
Figure 8-12 Removing the feed roller 8-14
Figure 8-13 Removing the exit rollers 8-15