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II. SPECIFICATIONS

A. Paper Handling Controller

1) CPU

NEC UPD784020GC-3B9

Memory (RAM)

512 bytes

Frequency

25 MHz

2) EPROM

TEXAS INSTRUMENTS TMS27C512-12JL
64K bytes

3) SRAM

TOSHIBA TC55257DFL-70L
32K bytes

B. Interface Connector Locations

Figure 1-2-1

1 - 2

CHAPTER 1

Paper Handling Controller I/F

Paper Handling Controller

Optional input/output device I/F

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Summary of Contents for PH-72

Page 1: ...SERVICE MANUAL PARTS CATALOG REVISION 0 COPYRIGHT 1999 CANON INC CANON PAPER HANDLING CONTROLLER PH 72 REV 0 JAN 1999 PRINTED IN JAPAN IMPRIME AU JAPON RY8 1397 000 JAN 1999 PAPER HANDLING CONTROLLER ...

Page 2: ...of this manual should be strictly supervised to avoid disclosure of confidential information Prepared by PERIPHERAL PRODUCTS QUALITY PLANNING DIV PERIPHERAL PRODUCTS TECHNICAL DOCUMENTATION DEPT CANON INC 5 1 Hakusan 7 chome Toride City Ibaraki Pref 302 8501 Japan ...

Page 3: ...2 The Mechanical System Installation procedure and malfunction troubleshooting Chapter 3 Parts Catalog Paper handling controller PCB assembly Appendix Paper handling controller circuit diagram Information in this manual is subject to change as the product is improved or redesigned All relevant information in such cases will be supplied in Service Information Bulletins A thorough understanding of t...

Page 4: ... PS laser beam printer final pages were printed on AGFA Selectset avantra 25 All graphics were produced with Macromedia FreeHand E and all documents and page layouts were created with QuarkXPress E The video images were captured with SONY degital video camcorder and Radius Photo DV capture board and modified with Adobe Photoshop J ...

Page 5: ...ace Connector 1 4 III BASIC OPERATION 1 6 A Outline 1 6 B Operations by Block 1 7 C Operation Outline 1 8 CHAPTER 2 THE MECHANICAL SYSTEM CHAPTER 3 PARTS CATALOG I INSTALLATION PROCEDURE 2 1 II MALFUNCTION TROUBLESHOOTING 2 3 A Initial Check 2 3 B Malfunction Troubleshooting 2 3 I PAPER HANDLING CONTROLLER PCB ASSEMBLY 3 1 APPENDIX I PAPER HANDLING CONTROLLER CIRCUIT DIAGRAM A 1 ...

Page 6: ......

Page 7: ...CHAPTER 1 PRODUCT INFORMATION I FEATURES 1 1 II SPECIFICATIONS 1 2 III BASIC OPERATION 1 6 ...

Page 8: ......

Page 9: ...pacity decks with multiple decks of up to 10 decks with a maximum capacity of 6300 pages and optional output devices sorters and staple stackers with a maximum of 63 bins are made possible 2 Wide range of options capability By installing the Paper Handling Controller in the printer a maximum of 5 optional I O devices can be connected 1 1 CHAPTER 1 ...

Page 10: ...emory RAM 512 bytes Frequency 25 MHz 2 EPROM TEXAS INSTRUMENTS TMS27C512 12JL 64K bytes 3 SRAM TOSHIBA TC55257DFL 70L 32K bytes B Interface Connector Locations Figure 1 2 1 1 2 CHAPTER 1 Paper Handling Controller I F Paper Handling Controller Optional input output device I F ...

Page 11: ...ller PCB DC Controller PCB Video Controller PCB Optional input output device I F Paper Handling Controller I F Video Interface PCB External device host computer etc External Video I F Internal Video I F Printer Optional input output driver PCB Optional input output device ...

Page 12: ...CHG PDLV undetermined 1 N C CKEN TX GND 5V N C VSYNC PFED RETURN BACK GND undetermined 2 STROBE RX CLK GND Signal Reset signal unused Print signal unused Speed change signal unused Paper delivery signal For expansion Communication ready signal Send data line Vertical synchronized request signal Paper feed signal Connection confirmation For expansion Strobe signal Receive data line Synchronized clo...

Page 13: ...TER 1 1 2 3 4 5 11 12 13 14 15 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 TX GND RX TERMINATE 24V CLOCK GND GND GND KEY 24V GND STROBE PWRON GND 24V Output Input Input Output Output Output Signal Abbreviation Send data line Receive data line Communication ready signal Synchronized clock signal Mis insertion prevention Strobe signal Power ON signal Input Output Pin ...

Page 14: ...ols up to 5 optional I O devices simul taneously according to the various commands and signals sent from the Video Controller and signals sent from the DC Controller Figure 1 3 1 1 6 CHAPTER 1 IC101 Serial communication Printer Paper Handling Controller PCB DC Controller PCB Optional input output driver PCB Option 1 Option 2 Option 5 Serial communication Video Controller PCB External device Paper ...

Page 15: ...C109 The EP ROM has a 64K byte memory capacity and contains the optional I O device s operation control program 3 S RAM IC110 The S RAM has a memory capacity of 32K bytes The S RAM contains communication data maximum of 40 pages between the Video Controller and the optional I O devices Figure 1 3 2 1 7 CHAPTER 1 IC101 CPU IC110 S RAM IC109 EP ROM J102 J101 BUS I O I O Optional I O devices Video Co...

Page 16: ... the Video Controller along with PAPER FEED PFED and PAPER DELIVERY PDLV signals output from the DC Controller The optional I O device then returns its paper feed status back to the Paper Handling Controller The S RAM IC110 constantly stores the latest 40 pages of communication data allowing the CPU to control the optional I O paper feed in real time for each page printed The Video Controller moni...

Page 17: ...ectrical outlet 2 Installation is the reverse of removal unless otherwise specified 3 Note the lengths diameters and locations of screws as you remove them When installing the paper handling controller be sure to use them in their original locations 4 Discharge electrical static from your body by touching the metal frame of the printer prior to installing the paper handling controller in order to ...

Page 18: ......

Page 19: ...own below Figure 2 1 1 2 Place the motherboad on a flat surface and remove the cover with a screwdriv er Figure 2 1 2 3 Press down on the connector and insert the protruding part of the controller boad into the slot as shown below Figure 2 1 3 4 Attach the cable by pressing the con nector into the slot at the rear of the Paper Handling Controller Figure 2 1 4 2 1 CHAPTER 2 ...

Page 20: ...5 Press down on the connector and tight en the screws to fix the boad in place Figure 2 1 5 2 2 CHAPTER 2 ...

Page 21: ...he printer are as follows Be sure to check that the printer operates normally before installing the paper handling controller PCB 1 Turn OFF the printer and reinstall the paper handling controller PCB If the problem is still not rectified conduct the troubleshooting procedures for the various optional I O devices specified in their respective service manuals Notes 1 Refer to the service manual of ...

Page 22: ......

Page 23: ...CHAPTER 3 PARTS CATALOG I PAPER HANDLING CONTROLLER PCB ASSEMBLY 3 1 ...

Page 24: ......

Page 25: ...ESCRIPTION SERIAL NUMBER REMARKS I 1 2 3 4 5 6 NPN XA9 0836 000 WT2 5391 000 RB1 7071 000 RG1 3707 000 RG5 4314 000 RF1 4083 000 RF 1 2 1 1 1 1 PAPER HANDLING CONTROLLER PCB UNIT SCREW TP M3X6 SCREW HEX PLATE COVER CABLE FLAT PAPER HANDLING CONTROLLER PCB ASS Y IC TMS27C512 12JL EP ROM 1 5 4 6 2 3 ...

Page 26: ......

Page 27: ...APPENDIX I PAPER HANDLING CONTROLLER CIRCUIT DIAGRAM A 1 ...

Page 28: ......

Page 29: ... HC04 3 2 1 ON OFF JP101 XJBA 0311 JP101S XJBA 0211 IC111 PST591DMT X101 AT 51 8 7 6 5 4 3 2 1 A1 B1 B5 A10 B10 A7 B2 A2 B8 B9 A9 A8 B7 A6 B6 B4 A4 A5 B3 A3 J101 SW101 SSGM14 VCRX VCCLK VCTX VCSTRB UNDET1 UNDET2 PFED SPCHG PDLV VSYNC PRNT N C N C AD 7 0 A 17 8 RD WR 2 6A 2 6D 2 6D 2 6D ASTB 2 6B RESET 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1...

Page 30: ...1 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I O0 I O1 I O2 Vss Vcc WE A13 A8 A9 A11 OE A10 CS I O7 I O6 I O5 I O4 I O3 6 4 5 0 1 3 2 7 6 5 4 3 0 1 2 5V C120 9 10 8 IC107 HC32 12 13 11 IC107 HC32 IC106 HC04 5 6 8 9 10 WR RD A 17 8 1 2A 1 2B 1 2B 8 IC108 3 4 7 8 13 14 17 18 11 2 5 6 9 12 15 16 19 8D 7D 6D 5D 4D 3D 2D 1D CK 8Q 7Q 6Q 5Q 4Q 3Q 2Q 1Q CLR 1 HC273 ...

Page 31: ...pared by PERIPHERAL PRODUCTS QUALITY PLANNING DIV PERIPHERAL PRODUCTS TECHNICAL DOCUMENTATION DEPT CANON INC Printed in Japan REVISION 0 JAN 1999 5 1 Hakusan 7 chome Toride City Ibaraki Pref 302 8501 Japan ...

Page 32: ...PRINTED IN JAPAN IMPRIME AU JAPON 0199AB0 80 CANON INC The printing paper contains 70 waste paper ...

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