Genicom MatrixPrinter LA36 - Manual (Page 8)

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ILLUSTRATIONS
Figure 1.1 LA36N and LA36W printers ......................................................................................................... 1-1
Figure 1.2 Printer component structure ........................................................................................................... 1-3
Figure 1.3 Upper cover assembly (LA36N) .................................................................................................... 1-4
Figure 1.4 Printer lower assembly (LA36N) ................................................................................................... 1-6
Figure 2.1 Unpacking the printer and accessories ........................................................................................... 2-2
Figure 2.2 Removing the print head shipping restraint (cardboard) ............................................................... 2-3
Figure 2.3 Removing the bail stopper and four tapes ..................................................................................... 2-3
Figure 2.4 Installing the cut-sheet stand .......................................................................................................... 2-4
Figure 3.1 Printer functional block diagram ................................................................................................... 3-2
Figure 4.1 Basic components .......................................................................................................................... 4-3
Figure 4.2 Cleaning and lubrication ................................................................................................................ 4-5
Figure 5.1 Function sequence .......................................................................................................................... 5-1
Figure 5.2 Print head ....................................................................................................................................... 5-2
Figure 5.3 Carriage drive ................................................................................................................................. 5-3
Figure 5.4 Ribbon feed .................................................................................................................................... 5-4
Figure 5.5 Paper feed path ............................................................................................................................... 5-5
Figure 5.6 Continuous form feeding (push-feed tractor) ................................................................................ 5-6
Figure 5.7 Continuous form feeding (pull-feed tractor) .................................................................................. 5-7
Figure 5.8 Cut-sheet feeding ........................................................................................................................... 5-8
Figure 5.9 Paper selection ............................................................................................................................... 5-9
Figure 5.10 Autoloading ................................................................................................................................. 5-10
Figure 5.11 Paper end detection (cut sheet) .................................................................................................... 5-11
Figure 5.12 Paper end detection (continuous forms via push-feed tractor) .................................................... 5-12
Figure 5.13 Paper end detection (continuous forms via pull-feed tractor) ..................................................... 5-13
Figure 5.14 Print head gap control .................................................................................................................. 5-14
Figure 5.15 Color ribbon shift motor .............................................................................................................. 5-15
Figure 5.16 Option detection mechanism ....................................................................................................... 5-16
Figure 5.17 System configuration ................................................................................................................... 5-17
Figure 5.18 Connection diagram ..................................................................................................................... 5-18
Figure 5.19 Controller block diagram ............................................................................................................. 5-20
Figure 5.20 MB90706 block diagram ............................................................................................................. 5-21
Figure 5.21 MBCU20050 block diagram ........................................................................................................ 5-22
Figure 5.22 Memory configuration ................................................................................................................. 5-23
Figure 5.23 Centronics parallel interface signal timing .................................................................................. 5-25
Figure 5.24 RS-423 serial interface signal timing ........................................................................................... 5-26
Figure 5.25 Stepping motor drive circuit ........................................................................................................ 5-27