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Epson 2170 Printer User Manual

1. D51 Diode DB1 1 IC51 Diode Bridge Transformaer Switching Regulator TL494CN Figure 1 14 C166 PSB PSE Board Assembly 1 36 Rev A FX 2170 Service Manual Product Description 1 6 3 C165 PNL Board Assembly This board function is the control panel for the FX 2170 It consists of a power switch six buttons and nine indicator LEDs This board is almost same as it for the LQ 2170 OOO OO LED LED e LED sw SW Power SW je Figure 1 15 Board Assembly C165 PNL 1 6 4 Printer Mechanism The printer mechanism consists of an 18 pin impact dot head paper feed PF motor ribbon feed RF motor paper end PE sensor home position HP sensor platen gap PG sensor release lever sensor etc Figure 1 16 Printer Mechanism Rev A 1 37 FX 2170 Service Manual Product Description 1 6 5 Housing Assembly This consists of printer cover assembly edge guide assembly upper housing lower housing assembly etc 17 Housing Assembly Figure 1 Rev A 1 38 CHAPTER2 Operating Principles Table of Contents 2 1 PRINTER MECHANISM OPERATION 2 1 1 Printing Mechanism 2 2 POWER SUPPLY OPERATION 2 1 2 Carriage Movement Mechanism 2 1 3 Platen Gap Adjustment 2 1 4 Paper Handling 2 1 4 1 Release Lever 2 1 4 2 Paper A
2. 3 28 Figure 3 46 Removing the Paper Support Block Assembly 3 29 Figure 3 47 Removing the Paper Feed Roller Cover 3 29 Figure 3 48 Removing the Paper Eject Cover Assembly 3 30 Figure 3 49 Assembling the Paper Eject Cover Assembly 3 30 Figure 3 50 Removing the Right CSF Cover 3 31 Figure 3 51 Engaging 5 Gears iet em rr mee eS TR oper d Pr dob 3 31 Figure 3 52 Removing the E ring and 2 CBS 3 32 Figure 3 53 Removing the Paper Feed Roller 3 32 List of Tables Table 3 1 Recommended Tools 3 1 Table 3 2 Equipment Required for Maintenance 3 1 Table 3 3 Inspection Check List for Repaired 3 2 Table 3 4 Screw Types and Abbreviations 3 3 FX 2170 Service Manual Disassembly and Assembly 3 1 OVERVIEW This section describes various points to note when disassembling and assembling the printer 3 1 1 Precautions Follow the precautions below for disassembly or assembly ARNIN Before disassembling assembling or adjusting the printer disconnect the power supply cable from the AC power socket Failure to do so can cause physical injury The power switch is wired in the secondary circuitry Therefore the printer
3. 1 13 Figure 1 6 Label 5 1 14 Figure 1 7 Printable Area for Roll Paper 1 15 Figure 1 8 Data Transmission Timing 1 22 Figure 1 9 Control Panel 1 29 Figure 1 10 Self test 1 32 Figure 1 11 Hexadecimal Dump 1 32 Figure 1 12 Main 1 35 Figure 1 13 C166 MAIN Board Assembly 1 36 Figure 1 14 C166 PSB PSE Board Assembly 1 36 Figure 1 15 C165 PNL Board Assembly 1 37 Figure 1 16 Printer Mechanism 1 37 Figure 1 17 Housing Assembly 1 38 List of Tables Table 1 1 Items Included with the 1 3 Table 1 2 Consumables 58850 o om foede ee hood ht 1 3 Table 1 9 Optional nite o cus eL EL RE eet eb 1 3 Table 1 4 Print Speed and Printable Columns 1 5 Table 1 5 RESOUN s od etico cad Piceno Date dicti Se ees 1 5 Table 1 6 Paper Path and Paper Types 1 6 Table 1 7 Paper Thickness Lever Positions 1 7 Tabl
4. 1 18 Table 1 27 Hopper 1 18 Table 1 28 5 1 19 Table 1 29 Environmental 1 19 Table 1 30 Character Tables 1 20 Table 1 31 Pin Assignment of Forward Channel 1 21 Table 1 32 Minimum and Maximum Timings for Data Transmission 1 22 Table 1 33 Pin Assignments for Reverse 1 23 Table 1 34 Paper Handling Sequence 1 1 25 Table 1 35 Paper Handling Sequence 2 1 25 Table 1 36 Paper Handling Sequence 3 1 26 Table 1 37 Paper Handling Sequence 4 1 26 Table 1 38 Paper Handling Sequence 5 1 27 Table 1 39 Paper Handling Sequence 6 1 27 Table 1 40 Paper Width Sensor 1 28 Table 1 41 Operations in Normal Mode 1 29 Table 1 42 Operations at Power 1 30 Table 1 43 Operations for Default Setting 1 30 Table 1 44 Indicators and 1 30 Table 1 45 EEPROM Initialization 5 5
5. R69 70 35V Figure 2 35 CR Driver Circuit The carriage motor driver circuit controls the CR motor using an open loop constant drive arrangement 2 2 and 1 2 phases excite the motor A 2 2 phase step is equivalent to a 1 2 phase step doubled Ports 1 to 4 of the SLA7024M are used to change the excitation phase depending on the selected print mode Table 2 8 describes the motor driver modes Table 2 8 CR Motor Driver Modes Drive TUN Print Speed Excitation er Speed Mode CPS Fregpenoy Phase Applications 8 3 440 5280 2 2 Super Draft 2 330 3960 2 2 Draft 16 9 293 3 3520 2 2 Super Draft and Copy 2 50 33 250 6000 1 2 Bit image and head hot mode 4 3 220 5280 1 2 Super Draft Draft Copy 2 and Power down 1 165 3960 1 2 NLQ Draft and Power down 25 33 125 3000 1 2 NLQ Super draft Copy 2 and Power down 2 3 110 2640 12 NLQ Draft Copy 2 and Power down 1 2 82 5 1980 1 2 NLQ and Power down NLQ Copy 2 and Power 1 4 41 3 990 1 2 down The SLA7024M IC12 CR motor driver circuit detects and regulates the amount of current flowing in the carriage motor coil The current flowing through the coil varies depending on the speed of the CR motor The CPU sets the amount of current via the Address Data line Signals are sent to ports 3 RFA and 14 RFB of the SLA7024M The SLA7024M sets the coil current depending on the CR speed Rev A 2 25 Operating Principles FX
6. 3 7 Figure 3 7 Connecting the Printhead 5 3 7 Figure 3 8 Removing the HP 3 8 Figure 3 9 Removing the PW Sensor Assembly 3 8 Figure 3 10 Mounting Position for the PW Sensor Assembly 3 9 Figure 3 11 Releasing the Locks for the Bushings 3 10 Figure 3 12 Removing the Platen Assembly 3 10 Figure 3 13 Releasing the Upper Housing Assembly Hooks 3 11 Figure 3 14 Removing the Upper Housing Assembly 3 11 Figure 3 15 Removing the Case Open Sensor Assembly 3 12 Figure 3 16 Removing the CR Motor Assembly 3 12 Figure 3 17 Removing the Printer 3 13 Figure 3 18 Removing the PF 3 14 Figure 3 19 Removing the PG Sensor Assembly 3 15 Figure 3 20 Mounting the Cables for the PG Sensor Assembly 3 15 Figure 3 21 Removing the Right Frame 3 16 Figure 3 22 Removing the Right Sub Frame 3 16 Figure 3 23 Engaging Gears 1 3 17 Figure 3 24 Engaging Gears 2 3 18 Figure 3 25 Engaging the Tractor Clutch Cam 3 18 Figure 3 26 Removing the
7. Figure 2 13 Push Tractor Feeding Using the Rear Entrance Figure 2 14 Pull Tractor Feeding Using the Rear Entrance Figure 2 15 Push Pull Tractor Feeding Using the Rear Entrance Figure 2 16 Pull Tractor Feeding Using the Bottom Entrance Figure 2 17 Friction Feeding Using the Front Figure 2 18 Push Tractor Feeding Using the Front Entrance Figure 2 19 Pull Tractor Feeding Using the Front Entrance Figure 2 20 Push Pull Tractor Feeding Using the Front Entrance Figure 2 21 Ribbon Advance Mechanism Figure 2 22 Power Supply Circuit Block Diagram Figure 2 23 Power Switch Figure 2 24 Over Voltage Protection Circuit Figure 2 25 35V Line Constant Voltage Control Circuit Figure 2 26 35V Line Overload Detector Circuit Figure 2 27 35V Line Over Current Protection Figure 2 28 5V Line Over Current Protection Figure 2 29 5V Constant Voltage Control Figure 2 30 Control Circuit Block Diagram FIgGHre 2 31 Data FOW deno a tu hia iri Dosen Figure 2 92 Reset Figure 2
8. A 22 Figure A 11 CSF Bin 1 Exploded Diagrams 1 A 23 Figure A 12 CSF Bin 1 Exploded Diagrams 2 A 24 Figure A 13 CSF Bin 2 Exploded Diagrams A 25 List of Tables Table 1 Connector 5 A 6 Table 2 Connector Pin Assignments CN3 A 6 Table A 3 Connector Pin Assignments CN4 A 6 Table 4 Connector Pin Assignments CN5 A 7 Table 5 Connector Pin Assignments CN6 A 7 Table 6 Connector Pin Assignments CN7 A 7 Table 7 Connector Pin Assignments CN8 A 8 Table 8 Connector Pin Assignments CN9 A 8 Table 9 Connector Pin Assignments CN10 A 8 Table A 10 Connector Pin Assignments A 8 Table A 11 Connector Pin Assignments 2 A 8 Table A 12 Connector Pin Assignments 1 A 9 Table A 13 Connector Pin Assignments A 9 Table A 14 Connector Pin Assignments 5 A 9 FX 2170 Service Manual Appendix A 1 EXPANDED PRODUCTION COMMANDS 1 Write Bidirectional Adjustment Data to EEPROM Format 1B 7C 00 00 FF 00 in hex dl d2 d3
9. Is the problem corrected YES printer drivers Is the problem Install the correct Reinstall the Is the problem corrected Figure 5 6 Flowchart 4 work OK with Problem with anther computer NO Replace the computers FFC YES Is the problem v corrected Replace the C166 MAIN board 5 9 Troubleshooting FX 2170 Service Manual 5 4 REPAIRING C166 PSB PSE BOARD ASSEMBLY This section provides instructions to repair a defective power supply board assembly It describes various symptoms likely causes and checkpoints Checkpoints refer to proper waveforms resistances and other values to check when evaluating the operation of any potentially faulty component Check these values and take the appropriate action Note This information is necessary only for servicers who repair to the component level Servicers who repair to the unit level including all servicers in the U S can ignore this section WARNING The OPERATE switch on the control panel only turns the secondary power circuit on or off so the primary circuit is live as long as the printer is connected to an AC power outlet Before you repair or touch the power supply board be sure to disconnect the AC power outlet Problem The 35 V and 5 V lines are not output when the printer is powered on The diode bridg
10. Lever Release Lever Release Transmission Intermittent Gear Figure 3 24 Engaging Gears 2 Pay attention to how the tractor clutch cam is engaged Refer to the following figure Tractor Clutch Cam Figure 3 25 Engaging the Tractor Clutch Cam 3 18 Rev A FX 2170 Service Manual Disassembly and Assembly 3 2 10 5 Removing the Left Frame Assembly 1 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover see Section 3 2 1 2 Remove the panel board assembly see Section 3 2 2 upper housing assembly see Section 3 2 7 and then remove the printer mechanism see Section 3 2 10 Remove 2 CBS screws 3 x 6 F Zn securing the platen cover 4 Remove the hexagon nut standard M4 securing the front CR guide shaft and left frame 5 Remove 4 CBS screws 3 x 6 F Zn securing the left frame assembly Platen Cover C B S Screw 3 X 6 FZ n 7 Hexagon Nut Normal M4 7 7 CBS Screw 3 X 6 FZ n Securing the Left Frame Assembly Figure 3 26 Removing the Left Frame Assembly 6 Disconnect 2 connector cables from the 2 release lever sensors and then disconnect the connector cable from the HP sensor 7 Remove the left frame assembly ssembly Notes Notice the connection of the release lever sensor cables The white conector s cable should be connected to the SWI
11. tE TAA IHE 5 19 Removing the Removing the Removing the Removing the Removing the Board Assy Panel Print Head Detector HP Detector Assy PW Platen Assy 3 2 7 Page 3 11 Removing the Housing Assy Upper Page 3 12 Removing the Removing the Frame Disassemble the Removing the Frame Detector PG Right Assy Frame Right Assy Left Assy 3 2 10 5 Page 3 20 32 10 74 Page 3 21 3 2 10 8 Page 3 23 3 2 10 9 Page 3 23 Removing the Removing the Removing the Detector Removing the Detector RD Assy CR Assy Assy PE Rear Assy PE Front Figure 3 2 Flowchart for Disassembling the Printer 3 2 10 1 Removing the Motor Assy PF Rev A 3 4 3 2 1 Before Starting Disassembly Procedures 1 Remove the following parts Front edge guide assembly Front cover Bottom cover Rear edge guide assembly Printer cover Paper eject assembly Front rear tractor assembly Ribbon cartridge Refer to the following figure ver and the front rear tractor assembly by pushing to release the hooks mounting them be sure to snap the hooks on the projecting parts Disassembly and Assembly FX 2170 Service Manual 3 2 2 Removing the Panel Board Assembly 1 Remove the printer cover and ribbon cartridge see Section 3 2 1 2 Release the left clips for the panel board assembly by pushing them from the cutout located on the inside front of the upper housing assembly 3 Release the flexible flat
12. sk 1 Single sheets plain 64 g m lt weight lt 82 g m 17 Ib lt weight lt 22 Ib X2 Single sheets plain weight lt 64 g m2 82 g m lt weight weight lt 17 Ib 22 Ib lt weight Single sheets recycled multipart envelopes and card stock 3 Without condensation Rev A 1 19 Product Description FX 2170 Service Manual 1 3 Firmware Specifications This section provides detailed information about FX 2170 firmware 1 3 1 Control Codes and Fonts Control codes ESC P and IBM 2380 2381 plus emulations Typefaces Bitmap fonts EPSON Draft 10 cpi 12 cpi 15 cpi EPSON Roman 10 cpi 12 cpi 15 cpi proportional EPSON Sans Serif 10 cpi 12 cpi 15 cpi proportional Bar code fonts EAN 13 EAN 8 Interleaved 2 of 5 UPC A UPC E Code 39 Code 128 POSTNET International character sets 13 countries U S A France Germany U K Denmark 1 Sweden Italy Spain 1 Japan Norway Denmark2 Spain2 Latin America Character tables The standard version has 11 character tables and the NLSP version has 19 character tables as shown in the following table Table 1 30 Character Tables Character Tables Italic PC 437 PC 850 Multilingual U S Standard Europe Standard Version PC 860 PC 861 PC 863 Portuguese Icelandic Canadian French PC 865 Nordic Abicomp BRASCII Roman 8 ISO Latin 1 Italic PC 437 PC 850 Multilingual US Standard Europe PC 437 Greek PC 852 East Europe PC 8
13. YES stuck to the surface of the PW sensor between the front rear PE sensor Remove the substance Is the blocking the sensor Does problem the front and corrected YES rear PE sensor YES the sensor Clear the jam operate operate Reis NO correctly correctly corrected Is the Does problem the release sensor operate correctly corrected Replace the sensor Replace the sensor END Is the problem Is the corrected problem N NO v corrected v YES Replace the C166 YES Replace the C166 MAIN EE os y MAIN board m Figure 5 3 Flowchart 2 5 6 Rev A FX 2170 Service Manual Troubleshooting 2 Abnormal Paper Feed Operation 2 1 Continued from flowchart 2 Is When cut sheet paper is loaded NO paper loaded is it ejected We correctly but continuous paper not loaded at all automatically YES CN7 connected correctly Connect CN7 correctly Is d Connect CN12 correctly ponen Is the problem corrected Is the problem corrected END YES Replace the cable the release sensor operate Replace the correctly see sensor Bd Tab
14. 2DH 2EH Reserved 00H 2FH 33H Reserved 00H 34H 53H Reserved 00H 54H 5DH Reserved 00H 5EH 5FH Paper edge length 00H 60H 61H Paper length for rear manual insertion 1 to 22 x 432 in units of 1 432 inch OOOOH 22 inches same as default 2520H 22 62H 63H Paper length for front manual insertion 1 to 22 x 432 in units of 1 432 inch OOOOH 22 inches same as default 2520H 22 64H to 66H Sub number for customization to 09H 000000H Standard 67H Reserved 00H Area 2 68H Market 0 Standard version 1 NLSP version 69H to 70H Reserved 71H Checksum of Area 2 68 70H Area 3 72H Vp adjustment value 73H Vp adjustment value complement of 72H Bi d adjustment value for high speed draft mode 12 to 12 in units of 1 720 inch 75H Bi d adjustment value for draft mode 12 to 12 in units of 1 720 inch 76H Bi d adjustment value for LQ mode 12 to 12 in units of 1 720 inch 77H Reserved 78H TPE level 79H TPE adjustment position 10 to 10 in units of 1 216 inch 7AH to 7EH Reserved 4 Reserved K EEPROM data in Area 3 is set for each printer in the factory Do not change this data afterwards Rev A FX 2170 Service Manual Appendix A 3 CONNECTOR SUMMARY Figure A 1
15. Q51 is dead Check the voltage waveform between emitter and collector of Q51 Replace Q51 L51 is short Check the resistance between both terminals of L51 Replace L51 The PWDN signal is constantly HIGH Rev A C52 is dead Check whether the voltage of pin 6 is more than 1 3 V or not If the voltage is more than 1 3 V IC52 is dead Replace IC52 Troubleshooting FX 2170 Service Manual 5 5 REPAIRING THE C166 MAIN BOARD ASSEMBLY This section provides instructions to repair the C166 MAIN board assembly It describes various problems symptoms likely causes and solutions The checkpoint column provides proper waveforms resistance values and other information for each component of C166 MAIN Note This information is necessary only for servicers who repair to the component level Servicers who repair to the unit level including all servicers in the U S can ignore this section Table 5 7 Repairing the C166 MAIN Board Assembly Problem Cause Checkpoint Solution Check the voltage waveforms of the VCC Replace IC10 signal CH1 IC10 pin 3 and VOUT signal CH2 IC10 pin 1 when power is turned on The printer em ee does not Reset IC10 is defective opera
16. ae PG Adjust Lever PGSWi PG Adjust Slot Figure 4 2 Setting the PG Adjust Lever 8 Insert the thickness gauge vertically between the printhead and platen 4 2 Rev A FX 2170 Service Manual Adjustment 9 11 Insert a thin screwdriver into the drilled hole located at the right edge of the rear CR guide shaft and adjust the platen gap by moving the screwdriver to forward or backward until the gap is large enough for a 0 36 mm thickness gauge but too narrow for a 0 40 mm thickness gauge When the gap is correct at the 5th column check the platen gap at the 80th and then the 130th column positions Figure 4 3 Platen Gap If the platen gap is wider at the 5th column than the 130th column adjust the parallelism for the rear CR guide shaft by moving the parallelism adjustment bushing backward If the platen gap is more narrow for the 5th column than the 130th column adjust the parallelism of the CR guide shaft by moving the parallelism adjustment bushing forward Refer to the following figure Parallelism Adjustment Bushing Figure 4 4 Adjusting the Parallelism of the CR Guide Shaft Continue performing adjustment steps 8 to 11 until the platen gap is correct at all 3 positions After completing the adjustment remove the screwdriver from the rear CR guide shaft After inserting the ribbon mask in the ribbon mask holder and installing the printhead into CR assembly tighten the 2 CBS screws 3
17. This section describes what adjustments are required after any part is removed or replaced The following table shows the relationship between the repaired item and the adjustment Table 4 1 Required Adjustments Bi d Print Factory TPE Level Repaired Item Adjustment Alignment Settings Reset Printer Mechanism Replacement Main Board Replacement EEPROM Replacement PW Sensor Assembly Replacement Platen Assembly Replacement or Removal CR Motor Assembly Replacement or Removal Right Frame Assembly Replacement or Removal Right Frame Disassembly Left Frame Replacement or Removal RD Assembly Replacement or Removal CR Assembly Replacement or Removal 1 means adjustment is not required 3K 2 O means adjustment is required When any part is replaced or reassembled use the Check Program included on the Settings Diskette and check the performance and settings of various check patterns 4 1 2 Required Adjustment Tools The following table shows the tools required for each adjustment Table 4 2 Required Adjustment Tools Platen Gap Thickness Gauge B776702201 Bi d Print Alignment Settings Diskette 1 or Remote Utility or Panel Operation Factory Settings 7 2 Settings Diskette TPE Level Reset Settings Diskette 1 The Settings Diskette contains 3 settings programs the bidirectional adjustment program factory
18. To adjust your printer follow these steps 1 Look for the alignment pattern that is most closely alignment and press the Pitch button until the lights indicate the appropriate pattern number as shown below 2 Press the Font switch to resister your selection The printer prints additional pages that display alignment patterns 3 When you have made your last selection sheet LQ turn the printer off Pattern number Pitch LEDs 1 14 2 BH 4 1 TE 7 20 m 8 21 E E 9 m 22 10 23 7 om 13 Super Draft LIETIE dd BEEN Figure 4 10 Guide Sheet for Bi d Adjustment Press the PITCH button until the lights match those for the best aligned pattern on the guide sheet Press the FONT button to save your selection The printer then prints 25 patterns in Draft print mode on the additional pages Return to step 3 of this procedure to adjust the bidirectional alignment in Draft mode After you perform steps 3 to 5 above for Draft mode go back to step 3 to adjust NLQ mode When you have made your last selection in NLQ mode turn the printer off to finish the adjustment Rev A FX 2170 Service
19. 3 16 3 2 10 5 Removing the Left Frame Assembly 3 19 3 2 10 6 Removing the Ribbon Drive RD Assembly 3 20 3 2 10 7 Removing the CR 3 21 3 2 10 8 Removing the Rear PE Sensor Assembly 3 23 3 2 10 9 Removing the Front PE Sensor Assembly 3 23 3 2 11 Removing the C166 MAIN Board 3 24 3 2 12 Removing the C166 PSB E Board Assembly 3 25 3 3 DISASSEMBLY AND ASSEMBLY OF CSF BIN 1 3 26 3 3 1 Disassembling the Right Side 3 26 3 3 2 Disassembling the Paper Support Block Assembly 3 28 3 3 3 Removing the Paper Eject Cover Assembly 3 30 3 4 DISASSEMBLY AND ASSEMBLY OF CSF BIN 2 3 31 3 4 1 Disassembly Right Side Block 3 31 3 4 2 Disassembly Paper Support Block 3 32 List of Figures Figure 3 1 Screw Types and 3 3 Figure 3 2 Flowchart for Disassembling the Printer 3 4 Figure 3 3 Before Starting Disassembly 5 3 5 Figure 3 4 Removing the Panel Board Assembly 3 6 Figure 3 5 Lock Cover for CN1 and the 3 6 Figure 3 6 Removing the
20. Lever Position Minimum Maximum Minimum Maximum Precautions for Handling Paper 1 Friction feed Set the release lever to the FRICTION position and install the paper eject assembly Load paper from the front or top entrance Do not use continuous paper Do not perform any reverse paper feeds within the top 8 5 mm 0 33 inch and bottom 22 mm 0 87 inch area Do not perform reverse feeds greater than 1 6 inch after the paper end has been detected Use the paper tension unit Insert the multipart cut sheet forms only from the front 2 Push tractor feed Set the release lever to the REAR PUSH FRONT PUSH position and install the paper eject assembly Load paper from the rear or front entrance Release the friction feed mechanism Multipart paper must be carbonless Use the paper tension unit Do not perform reverse feeds greater than 1 6 inch Do not perform reverse feeds after the paper end has been detected because accuracy of paper feeding cannot be assured 3 Pull tractor feed Set the release lever to the PULL position Load paper from the front rear or bottom entrance The front or bottom entrance is recommended for thick paper or labels Remove the paper eject assembly and attach the pull tractor unit Insert paper from either from the front or bottom Multipart paper must be carbonless Do not perform reverse feeds Rev A 1 7 Product Descr
21. 29mm 5 Remove the paper feed shaft by pulling it toward the right side 6 Remove the CPB tight 3 x 8 screw securing the paper support shaft to the right CSF frame as shown in the following figure CPB tight Screw 3X8 Figure 3 45 Removing the CBP Tight 3 x 8 Screw 3 28 Rev A FX 2170 Service Manual Disassembly and Assembly 7 Remove the paper support assembly along with the paper support shaft and paper shaft holder by pulling upward Figure 3 46 Removing the Paper Support Block Assembly 8 Remove both paper feed rollers from both paper support assemblies 9 Remove both paper loading roller cover assemblies by releasing the clips fixing them to the paper support assembly Paper Support Assembly Paper Loading Roller Cover l Figure 3 47 Removing the Paper Loading Roller Cover Assembly 10 Remove the paper support shaft by pulling it toward the right or left side 11 Remove the paper holder spring ssembly Note Be sure to assemble the paper feed roller into the proper side The right and left rollers are not interchangeable Rev A 3 29 Disassembly and Assembly FX 2170 Service Manual 3 3 3 Removing the Paper Eject Assembly Cover 1 Remove the paper eject assembly cover by releasing 2 clips located along both edges of the paper eject assembly cover as shown in the following figure Figure 3 48 Removing the Paper Eject Assembly Cover ssembly Note When attaching
22. 420 mm 16 5 TM top margin 4 2 mm 0 17 or more 4 2 mm 0 17 or more BM bottom margin 4 2 mm 0 17 or more 4 2 mm 0 17 or more Figure 1 3 Printable Area for Cut Sheets Rev A FX 2170 Service Manual Product Description Envelopes and Card Stock Paper media specifications No 6 envelopes The following tables gives specifications for envelopes and card stock Table 1 11 Specifications for Envelopes Front Entry Rear Entry Minimum Maximum Minimum Maximum 166 mm 6 5 92 mm 3 6 No 10 envelopes 240 mm 9 5 104 mm 4 1 Total thickness 0 16 mm 0 0063 0 52 mm 0 020 Differences in thickness in the printable area must be within 0 25 0 0098 Weight 45 g m 12 Ib 91 g m 24 Ib Quality Bond paper plain paper or airmail No glue at the flap Not curled folded or crumpled Printing on envelopes is available only at normal temperatures and humidity Insert envelopes from the rear entrance only RA Insert the longer side of the envelope horizontally Table 1 12 Specifications for Card Stock Front Entry Rear Entry Minimum Width 105 mm 4 13 Maximum 148 mm 5 83 Minimum 105 mm 4 13 Maximum 148 mm 5 83 Length 148 mm 5 83 148 mm 5 83 105 mm 4 13 148 mm 5 83 Thicknes
23. 5 copies Font Pitch Pause Tear off Bin LF FF Load Eject Micro Adjust Default setting Refer to Figure 1 1 on the next page for an exterior view of the FX 2170 Roll paper is not available on all models and not available in the U S Rev A FX 2170 Service Manual Product Description Figure 1 1 Exterior View of the FX 2170 Rev A FX 2170 Service Manual Product Description 1 1 2 Accessories Items included in the printer carton Table 1 1 Items Included with the Printer Enclosed Items Quantity User s guide Driver diskette Ribbon cartridge Power cord Consumables Table 1 2 Consumables Consumable Item Part Number Ribbon cartridge 5015085 Ribbon pack 5010032 Options Table 1 3 Optional Units _ _ INI High capacity cut sheet feeder 1 bin 1 C80673 Second bin cut sheet feeder 2 bin 2 C80674 Pull tractor unit C80032 Roll paper holder 8310 Serial I F card C82305 C82306 32KB intelligent serial I F card C82307 C82308 32KB intelligent parallel card C82310 C82311 Local Talk I F card C82312 32KB IEEE 488 I F card C82313 Coax I F card C82314 Twinax I F card C82315 Ethernet I F card C82331 The number represented by an asterisk varies depending on the country Rev A 1 3 Product Description FX 2170 Service Manual 1 2 Hardware Specifications This section provi
24. PW sensor Refer to page 5 2 Replace the PW sensor Refer to page 3 9 5 17 Troubleshooting Problem Paper feed is abnormal FX 2170 Service Manual Table 5 8 Repairing the Printer Mechanism Symptom Cut sheet paper is loaded correctly but continuous paper is not loaded at all 12 is not connected correctly Checkpoint Check the connector Refer to page 3 19 Solution Connect the CN12 correctly The release sensor is defective Check the operation of the release sensor Refer to page 5 2 Replace the release sensor Refer to page 3 19 Ribbon feed is abnormal The ribbon is not fed The ribbon cartridge is defective Remove the ribbon cartridge Then rotate the ribbon feed roller manually to check that the ribbon cartridge feeds the ribbon normally Replace the ribbon cartridge Foreign substances are caught in the gears Check that the ribbon driving gear rotates properly when the carriage is moved manually Remove any foreign substances or replace the ribbon cartridge 5 18 The ribbon feeds properly only when the carriage moves in one direction The planetary gear is defective Manually move the carriage and check that the planetary gear functions normally Replace the ribbon cartridge mechanism Rev A FX 2170 Service Manual Troubleshooting Rev A 5 19 CHAPTER6 Mainte
25. Replace the printhead The printhead FFC is disconnected or there is no continuity Check the continuity in the FFC Replace the printhead FFC Printing is uneven on both edges of the column Platen parallelism is not adjusted properly Check the platen parallelism Refer to page 4 2 Adjust the platen parallelism The printed result is too light The printhead is defective Check if the tip of the dot wire is worn Replace the printhead The platen gap is too wide Check the platen gap Refer to page 4 2 Adjust the platen gap properly Abnormal paper feed 5 16 The PF motor does not rotate at all The PF motor is defective Measure the coil resistance of the PF motor The value is approximately 16 ohms Replace the PF motor Rev A FX 2170 Service Manual Problem Abnormal paper feed Table 5 8 Repairing the Printer Mechanism Symptom The PF motor does not rotate at all CN10 is disconnected from the main board Checkpoint Check CN10 Troubleshooting Solution Connect CN10 correctly The rear or front PE sensor is defective Check the operation of the rear and front PE sensors Refer to page 5 2 Replace the rear or front PE sensor Refer to page 3 23 The rear or front PE sensor is not mounted correctly Check the mounting position Mount the rear or front
26. 2 of IC51 TL494CN monitors the 5 V line and this protection circuit operates when the 5 V line goes below 4 75 V When this circuit operates port 8 signal output of the PWM pulse stops and Q51 stops its switching operation Consequently the 5 V line stops generating 2 20 Rev A FX 2170 Service Manual Operating Principles 7 5 V Line Constant Voltage Control Circuit The 5 V line constant voltage control circuit is shown below 35V GND 5v Line GND GND t 1651 i TLA94CN Figure 2 29 5 V Line Constant Voltage Control Circuit Port 16 of IC51 TL494CN monitors the 5 V line and the voltage is compared with the standard voltage which is input into port 15 When the voltage of port 16 goes below 4 81 V or above 5 17 V the pulse width of the PWM signal which is output from port 8 changes and the 5 V line is kept between 4 81 V to 5 17 V Rev A 2 21 Operating Principles FX 2170 Service Manual 2 3 CONTROL CIRCUIT The control circuit consists of the C166 MAIN board assembly and C165 PNL board This section describes the major components and explains how the boards work 2 3 1 Overview of Control Circuit Operation The printer s control circuit includes TMP96C041AF CPU that runs at 14 74 MHz an E05B13YA gate array a 1M bit PS RAM 8 bit bus less than 80ns a 2M bit PROM 8 bit bus less than 120ns and other circuits It oversees control of all the components in the printer The
27. 26 and O 2 which have been tested extensively and found to comply with the needs of this printer Table 6 1 provides details about these lubricants Before applying a lubricant be sure the surface to be lubricated is clean Do not apply too much lubricant as this may damage nearby parts Table 6 1 Lubrication Grease G 26 40 gm EPSON B702600001 Oil O 2 40 cc EPSON B703700001 Table 6 2 Lubrication Points Lubrication Points Quantity Lubricant Cam surface on the 34 5 mm spur gear 2 mm width halfway The platen gap adjustment slots on the right 2 mm width from the frame top slot to the 3rd from the bottom The shaft end of drive roller assembly and the About 1 2 the size of a cutout section on the left frame grain of rice Oil pad half of the pad RD planetary shaft and planetary lever leaf About 1 2 the size of a spring grain of rice RD housing About 1 2 the size of a Side of shafts 3 points grain of rice Inside hole 1 point RD Assembly About 1 2 the size of a Gear teeth 5 points grain of rice Note Lubrication must be applied during the reassembly process For lublication points refer to the figure on the next page Rev A 6 1 Maintenance FX 2170 Service Manual Cam Clutch Tractor Spur Gear 34 5 gt Lubrication Point Ref No 1 Lubrication Point Ref No 3 Figure 6 1 Lubrication Points 1 and 3 Gap Adjust Lever
28. 33 Reset Signal Output Timing Figure 2 34 Printhead Drive Circuit Figure 2 35 CR Drive Circuit Figure 2 36 PF Motor Drive Figure 2 37 EEPROM Control Fig re 2 38 S6nsor CUCUI a aerate tins D Table 2 1 Table 2 2 Table 2 3 Table 2 4 Table 2 5 Table 2 6 Table 2 7 Table 2 8 List of Tables CR Motor Assembly Specifications Platen Gap and Print Speed Release Lever Position Ribbon Advance Gear Linkage Power Supply Board Power Supply Output Voltage and Applications Functions of the Main IC CR Motor Drive FX 2170 Service Manual Operating Principles 2 1 PRINTER MECHANISM OPERATION This section describes the printer mechanism and explains how it works 2 1 1 Printing Mechanism The printing mechanism is composed of the printhead ink ribbon and ribbon mask The printhead is an 18 pin 9 pins x 2 head for impact dot printing To improve the durability of the dot wires they are arranged on the printhead in 2 columns Each wire has its own drive coil
29. 5 VDC Line Over Voltage Protection Circuit This circuit is shown below 35V Line Q31 FET 45V Line Figure 2 24 Over Voltage Protection Circuit The 35 VDC over voltage protection circuit operates when voltage exceeds 42 42 V between ZD52 and 7087 and shuts off the switching FET Q1 K2126 or 2130 The 5 VDC over voltage protection circuit operates when voltage exceeds 7 5 V between 2053 and shuts off the switching FET Q1 K2126 or K2130 When either of these protection circuits operate the protection cannot be removed without turning power off and on again 2 18 Rev A FX 2170 Service Manual Operating Principles 3 35 V Constant Voltage Control Circuit The 35 V constant voltage control circuit is illustrated below 11 35V Line GND Line Figure 2 25 35 V Line Constant Voltage Control Circuit The constant voltage control circuit operates to keep the 35 V line at 35 V 6 When the voltage between ZD51 and ZD85 becomes 32 7 V 2 75 PC1 turns on and then Q2 also turns on Consequently switching FET Q1 shuts off When the voltage between ZD51 and ZD85 becomes less than 32 7 2 75 V PCI turns off and then Q2 also turns off Consequently switching FET Q1 operates again Repeating the above operation keeps the 35 V line at 35 V 6 4 35V Line Overload Detection Circuit The 35 V line voltage drop protection circuit is shown in the figure below 35V Line ZD84 5V Line GND Li
30. BOARD ASSEMBLY 5 10 5 5 REPAIRING THE C166 MAIN BOARD ASSEMBLY 5 12 5 6 REPAIRING THE PRINTER MECHANISM 5 15 List of Figures Figure 5 1 Printhead Connector Pin Alignment 5 1 Fig re 5 2 Flowcliar Tissue ime deeds RE EE bese ERR 5 5 FIgureb g FOWGDalt sone de OE ok tne s 5 6 Figure 5 4 Flowchart 2 1 5 7 Figure 5 5 Flowchart 3 the 23 5 8 Figre 5 6s Flowchart s osos ore Less UE RUN AUTE etam her a E 5 9 List of Tables Table 5 1 Printhead Coil Resistance Test Points 5 1 Table 5 2 Sensor Test 5 2 Table 5 3 Motor Test Points 5 3 Table 5 4 Indicators and 22 5 3 Table 5 5 Symptoms and Problem Descriptions 5 4 Table 5 6 Repairing the C166 PSB PSE Board Assembly 5 10 Table 5 7 Repairing the C166 MAIN Board Assembly 5 12 Table 5 8 Repairing the Printer Mechanism 5 15 Rev A 5 1 FX 2170 Service Manual Troubleshooting 5 1 OVERVIEW This chapter contains flowcharts and checkpoint tables to help you troubleshoot the printer Flowcharts let you isolate a faulty unit based on abnormal symptoms The checkpoint tables let you identify the faulty part or unit by chec
31. Checkpoint Solution IC1 is defective IC2 is Check input signal waveform at pins 43 If the input signal defective IC11 is and 26 of IC11 is not correct defective Check output signal waveform at pins 6 replace IC1 or 3 18 and 21 IC2 If the input signal is correct and the output signal is not correct replace the IC11 Paper feed is abnormal IC1 is defective Check the output signal waveform at pin If this signal is 19 of IC1 not output replace IC1 No data 15 printed IC2 is defective Check the voltage waveform CH1 at If the head drive One of the head drive pin 69 and pins 76 93 of IC2 signal is not transistors is defective Check the voltage waveform CH2 for output replace Q5 Q13 Q14 each transistor IC2 If the head Q22 drive signal is output replace the head drive transistor A particular dot fails to print 5 14 Rev A FX 2170 Service Manual Troubleshooting 5 6 REPAIRING THE PRINTER MECHANISM This section provides instructions for repairing the printer mechanism It describes various problems symptom likely causes checkpoints and solutions The checkpoint column shows items to be checked including proper values to be set for each component of the printer mechan
32. F Zn Securing the Right Sub Fram Securing the Right Sub Frame Figure 3 22 Removing the Right Sub Frame 3 16 Rev A FX 2170 Service Manual Disassembly and Assembly 2 Remove the right sub frame from the right frame assembly 3 Remove the following 11 parts from the right frame assembly 2 compression springs 200 g 2 plain washers 1 spur gear 27 mm 2 spur gears 34 5 mm 1 spur gear 34 mm 1 spur gear 21 mm 1 combination gear 8 mm 31 5 mm 1 intermittent gear ssembly Notes Adjust the bidirectional print alignment Refer to Chapter 4 Mount the 11 parts above on the right frame assembly as shown in the following figures Compression Spring 200g ger Plan Washer Linn Super Gear 84 5 mm TS Combination Gear 8mm 31 5mm Intermittent Gear Compression Spring 200g Plan Washer nd B aS Spur Gear 27mm Spur Gear 34mm Figure 3 23 Engaging Gears 1 Rev A Disassembly and Assembly FX 2170 Service Manual ssembly Notes When you engage the release lever and release lever transmission to the tractor clutch cam notice the points in the following figure The tightening torque for the CBS screws 3 x 6 F Zn and 3 x 8 F Zn 0 78 0 98 N m 8 10 Kg cm The tightening torque for the hexagon nut standard M4 1 18 1 37 N m 12 14 Kg f cm Notice how the intermittent gear release lever and release lever transmission are engaged
33. Font Pitch Tear Off Bin m EO 10 cpi Tear Off LED Off E Draft OE 12 cpi W Roman 0 15 cpi z cui E LED 9n Sans Serif 17 cpi Card LED Blinks 20 cpi W PS Figure 1 9 Control Panel Operation in normal mode In normal mode pressing panel buttons executes following functions Buttons and Switches Operation Turns the printer on and off Table 1 41 Operation in Normal Mode Alternates printing and non printing states pause Enables the micro adjust function when held down for 3 seconds Loads or ejects paper Load Elect Micro feeds forward when that function is enabled Line feed when pressed briefly LE F Form feeds when held down for a few seconds Micro feeds backward when that function is enabled Advances continuous paper to the tear off position Selects CSF bin 1 2 or card mode Selects font Selects pitch Rev A 1 29 Product Description FX 2170 Service Manual Operations at power on Turning the printer on while pressing panel buttons executes the functions below Table 1 42 Operation at Power On Load Eject LQ self test LF f FF Draft self test Load Eject and LF FF Hexadecimal data dump Pitch Default setting Font and Tear Off Bin Clear EEPROM Pause Bi d adjustment Others Not available Operation in default setting mode The buttons used in default setting mode are as follows Table 1 4
34. LINE OF WORK 3 WHEN PERFORMING TESTING AS DISCATED WITHIN THIS MANUL DO NOT CONNECT THE UNIT TO A POWER SOURCE UNIT INSTRUCTED TO DO SO WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS WARNING 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLTAGE LISTED ON THE SERIAL NUMBER RATIG PLATE IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFERENT FORM THE AVAILABLE POWER SOURCE DO NOT CONNECTE IT TO THE POWER SOURCE 3 ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT BOARDS AND OR INDDIVIDUAL CHIPS 4 IN ORDER TO PROTECT SENSITIVE m P CHIPS AND CIRCUITRY USE STATIC DISCHARGE EQUIPMENT SUCH AS ANTI STATIC WRIST STRAPS WHEN ACCESSING INTERNAL COMPONENTS 5 REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS RECOMMENTED BY THE MAANUFACTURE INTRODUCTION OF SECOND SOURCE ICs OR OTHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANTY PREFACE This manual describes functions theory of electrical and mechanical operations maintenance and repair of the FX 2170 The instructions and procedures included herein are intended for the experienced repair technician and attention should be given to the precautions on the preceding pag
35. List of Figures Figure 4 1 Removing the Ribbon Mask 4 2 Figure 4 2 Setting Position for PG Adjust Lever 4 2 Figure 4 3 Platen Gapi coss em beo bog bobbed oed boe er bien de 4 3 Figure 4 4 Adjusting the Parallelism of the CR Guide Shaft 4 3 Figure 4 5 Machine Select Menu 4 4 Figure 4 6 Setting File 4 4 Figure 4 7 Main Menu 4 4 Figure 4 8 Bidirectional Adjustment Menu 4 5 Figure 4 9 Current Bi d Print Alignment 4 5 Figure 4 10 Guide Sheet for Bi d 4 6 Figure 4 11 Machine Select Menu 4 7 Figure 4 12 Setting File 4 7 Figure 4213 Main Mense eei frr pe Ga arene oe awed opie E E EE d 4 7 Figure 4 14 Machine Select Menu 4 8 Figure 4 15 Setting File 4 8 Figure 4 16 Manin 4 8 Table 4 1 Required Adjustment 4 1 Table 4 2 Required Adjustment 4 1 FX 2170 Service Manual Adjustment 4 1 ADJUSTMENT OVERVIEW 4 1 1 Required Adjustments
36. Manual Adjustment 4 2 3 Factory Settings This section describes the procedure to reset factory settings which is necessary if the main board or EEPROM is replaced You can perform this procedure only with the Settings Diskette Notes After you select factory settings in the Setting File menu be sure to run the check program in the Main Menu Running the check program writes the selected factory settings to the EEPROM and prints several check patterns 1 Insertthe Settings Diskette into Drive A of the PC and turn PC power on 2 Type GWBASIC and press ENTER 3 Load and run the J10A00E program The program displays the Machine Select Menu shown below Program J10A00E Setting DEFSTD 9pins VRO 0 VR1 0 VR2 0 Printer select gt 1 9 pins 2 24 pins Figure 4 11 Machine Select Menu 4 In this menu highlight 9 pins by moving the cursor with the or key and select it by pressing ENTER 5 After you select 9 pins the Setting File menu is shown Program J10A00E Setting DEFSTD VRO 0 VR120 VR2 0 Setting File DEFSTD Figure 4 12 Setting File Menu 6 In this menu highlight the destination factory settings by moving the cursor with T or J key and select the destination factory settings by pressing ENTER 7 After you select the factory settings the program displays the Main Menu Program J10A00E Setting DEFSTD 9pns VRO 0 VR1 0 VR2 0 Main MENU 1 Bi d Adjust 6 TPE LEVEL
37. Not connected Rev A 1 23 Product Description FX 2170 Service Manual Extensibility request The printer responds to the extensibility request in the affirmative when the request is 00 H or 04 H which means 00H Request nibble mode of reverse channel transfer 04H Request device ID in nibble mode of reverse channel transfer Device ID Refer to the following descriptions ESC P 00 H 31 H MFG EPSON CMD ESC P9 84 MDL FX 2170 CLS PRINTER 2381 Plus 00 H 32 H EPSON CMD PRPII9 01 MDL FX 2170 CLS PRINTER 1 3 2 3 Interface Selection The printer has 2 interfaces the parallel interface and Type B optional interface These interfaces are selected manually in default setting mode or selected automatically Manual selection One of 2 interfaces can be selected in default setting mode Automatic selection Automatic interface is enabled in default setting mode In automatic interface mode the printer is initialized to the idle state where it scans which interface is to be activated The interface that receives data first is selected When the host stops data transfer and the printer is in standby for a number of seconds specified in default setting mode the printer returns to the idle state As long as the host sends data or the printer interface 15 busy the selected interface remains active Interface state and interface selection When the parallel interface is not selected that
38. PE sensor into the proper position When the printer is powered on paper is ejected automatically and then the printer becomes Ready A foreign substance is sticking to the surface of the PW sensor Check the surface of the PW sensor Remove the ribbon mask holder assembly and remove any foreign objects The PW sensor is defective Check the operation of the PW sensor Refer to page 5 2 Replace the PW sensor Refer to page 3 9 When the printer is powered on paper is ejected automatically and then the printer signals a paper end error A foreign object is jammed between the platen and rear front PE sensor Remove the platen and check the paper path Refer to page 3 10 Remove the platen and remove any foreign object Refer to page 3 10 CN5 or CN6 is disconnected Check the connectors Connect the connector properly The rear front PE sensor is defective Check the operation of the rear front PE sensor Refer to page 5 2 Replace the rear front PE sensor Refer to page 3 23 Rev A When paper is loaded it is ejected automatically The FFC CN7 for the PW sensor is disconnected Check the connector Connect the FFC properly The FFC is broken Check the continuity of the FFC using a multimeter Replace the FFC The PW sensor is defective Check the operation of the
39. Platen Gap Adjustment Slot Lubricate all these slots Lubrication Point Ref No 2 Figure 6 2 Lubrication Point 2 6 2 Rev A FX 2170 Service Manual Maintenance zx Lubrication Point Ref No 4 Figure 6 3 Lubrication Point 4 O T r offs gt rr Lubrication Point Ref No 5 Lubrication Point Ref 6 mmi Lubrication Point Ref No 7 Figure 6 4 Lubrication Points 5 6 and 7 Rev A 6 3 Appendix Table of Contents A 1 EXPANDED PRODUCTION COMMANDS A 1 A 2 EEPROM ADRESS MAP A 2 A 3 CONNECTOR SUMMARY A 5 A 4 CIRCUIT DIAGRAMS A 11 A 5 CIRCUIT BOARD COMPONENT LAYOUTS A 17 A 6 EXPLODED DIAGRAMS A 20 List of Figures Figure 1 Cable Connections A 5 Figure A 2 C166 MAIN Board Assembly Circuit Diagram A 11 Figure C166 PSB Board Assembly Circuit Diagram A 13 Figure A 4 C166 PSE Board Assembly Circuit Diagram A 15 Figure 5 C166 MAIN Board Assembly Component Layout A 17 Figure A 6 C166 PSB Board Assembly Component Layout A 18 Figure A 7 C166 PSE Board Assembly Component Layout A 19 Figure 8 FX 2170 Exploded Diagrams 1 A 20 Figure A 9 FX 2170 Exploded Diagrams 2 A 21 Figure A 10 FX 2170 Exploded Diagrams 3
40. Service Manual 3 2 4 Removing the HP Sensor 1 Remove the printer cover ribbon cartridge front edge guide and front cover see Section 3 2 1 2 Disconnect the connector cable for the HP sensor 3 Remove the HP sensor by pushing up and releasing the 2 clips at the bottom of the HP sensor from the front paper entrance 2 Clips for HP Sensor Figure 3 8 Removing the HP Sensor Assembly Note Notice the direction for mounting the HP sensor Refer to the figure above 3 2 5 Removing the PW Sensor Assembly 1 Remove the printer cover and ribbon cartridge see Section 3 2 1 2 Remove the CB screw 2 5 x 5 F Zn securing the PW sensor to the ribbon mask holder Then remove the FFC from the PW sensor connector mounted onto the CR cover 3 Remove the PW sensor assembly along with the CR cover by pushing and releasing the 2 clips for the CR cover as shown in the following figure PW Sensor Assembly CB Screw 2 x 5 F Zn Figure 3 9 Removing the PW Sensor Assembly 3 8 Rev A FX 2170 Service Manual Disassembly and Assembly Assembly Notes Mount the PW sensor assembly onto the ribbon mask holder groove aligning the bottom line of micro photo sensor to the bottom line of the groove Whenever you remove the PW sensor assembly clean the surface of the sensor by wiping it with a soft material If the surface is not clean abnormal operations may occur such as printing on the platen surface The t
41. dl lt d1 lt 7 d2 lt 42 lt FFH Rev 1 Appendix FX 2170 Service Manual A 2 EEPROM ADDRESS MAP Address Data Format Default 00H 01H Reserved Area 1 02H 03H Character table 0 PC437 1 PC850 2 PC860 selection 3 PC863 4 PC865 5 PC861 6 BRASCII 7 Abicomp 8 ISO Latin 1 9 Romans 10 PC437Greek 11 PC852 12 PC853 13 PC855 14 857 15 16 PC866 17 PC869 18 ISOLatiniT 19 1508859 7 20 MAZOWAI 21 Code 22 Bulgaria 23 Estonia 24 PC774 25 SO Latin2 26 PC866 LAT 04H 05H Page length 1 to 22 x 432 in units of 1 432 inch 0000H 1290H for rear tractor 11 inches same as default 11 06H 07H Page length for 1 to 22 x 432 in units of 1 432 inch 0000H 1290H front tractor 11 inches same as default 11 08H 09H Page length 1 to 22 x 432 in units of 1 432 inch OOOOH 2520H for CSF bin 1 22 inches same as default 22 OAH OBH Page length 1 to 22 x 432 in units of 1 432 inch OOOOH 2520H for CSF bin 2 22 inches same as default 22 OCH TOF adjustment 72 to 432 4 2 mm to 8 5 mm 1 inch 0000H value for rear in units of 1 432 inch 8 5 mm tractor OEH OFH TOF adjustment 72 to 432 4 2 mm to 8 5 mm 1 inch 0000H value for front in units of 1 432 inch 8 5 mm tractor 10H 11H TOF adjustment 72 to 432 4 2 mm to 8 5 mm 1 inch 0000H value for front in units of 1 432 inch 8 5 mm CSF bin 1
42. has met Table 1 24 Safety Information for Printer Models Safety Standards UL1950 with D3 EN60950 TUV SEMKO CSA C22 2 No 950 with D3 DEMKO NEMKO FIMKO EMI FCC part 15 subpart B class B EN55022 CISPR pub 22 CSA C108 8 class B Rev A 1 17 Product Description FX 2170 Service Manual 1 2 10 CE Marking The following table lists CE marking information Table 1 25 CE Marking Low Voltage Directive 73 23 EEC EN60950 EMC Directive 89 336 EEC EN55022 class B EN50082 1 IEC801 2 IEC801 3 IEC801 4 Non Automatic Weighing Instruments Directive 90 384 EEC EN45501 1 2 11 Physical Specifications Table 1 26 provides printer dimensions and weight Table 1 26 Physical Specifications Dimensions 639 mm W x 410 mm D x 257 mm H 25 16 W x 16 14 D x 10 12 H Weight Approx 13 kg 28 66 Ib 1 2 12 Cut Sheet Feeder Specifications This printer has two CSF options a high capacity CSF and a 2nd bin CSF The high capacity CSF has special a paper feed motor to load the paper quickly The 2nd bin CSF can be connected to the high capacity CSF to allow them to be used as a double bin CSF The following table provides the specifications for these CSF options Hopper capacity Table 1 27 Hopper Capacity Single sheets 150 sheets 1 110 sheets 2 50 sheets 1 50 sheets 2 185 sheets 2 3 135 sheets 4 60 sheets 3 60 sheets 4 Envelopes 25 sheets 30
43. illustrates how primary components are connected Table A 1 summarizes functions and sizes of the connectors Printer Mechanism PF Motor CR Motor PG Sensor Board Assy C166 PSB PSE Release Lever Position Sensor PE Rear Sensor PE Front Sensor HP Sensor PW Sensor Printhead Case Open Sensor Board Assy C165PNL Host Computer Parallel I F Board Assy C166 MAIN Option I F Figure A 1 Cable Connections Rev A A 5 Appendix FX 2170 Service Manual Table A 1 Connector Summary Connector Function Parallel interface Type B interface C166 PSB PSE board assembly HP sensor Rear PE sensor Front PE sensor PW sensor Printhead Printhead PF motor CR motor Release lever position sensor MAIN Board Assembly PG sensor CSF bin 1 PNL board assembly Table A 2 Connector Pin Assignments CN3 Signal Name Function 35 VDC line 35 VDC line Signal GND Signal GND 5 VDC line 5 VDC line 35 V line overload detection signal Power on off switch signal a4 Table 3 Connector Pin Assignments CR home position signal GN Signal GND 5V 5 VDC Table A 4 Connector Pin o CN5 Signal 45V 5 _ Rear paper end signal GND Signal ground A 6 Rev A FX 2170 Service Ma
44. ron vore LN Head Driving Coil Stopper Dot Wire Actuating Actuating Spring Figure 2 1 Printhead Operation Principles Rev A 2 1 Operating Principles FX 2170 Service Manual 2 1 2 Carriage Movement Mechanism The carriage movement mechanism consists of the carriage assembly carriage CR motor timing belt driven pulley home position HP sensor etc The CR motor drives the timing belt The carriage assembly is connected to the timing belt which is moved by the CR motor Figure 2 2 shows the carriage movement mechanism The printer detects the carriage home position with the HP sensor This sensor is the basis for determining the carriage position The HP sensor informs the CPU when the carriage is at the home position The sensor is ON when the carriage is pushed to the right or left The striker on the carriage activates the sensor to indicate the carriage is at the home position which toggles the sensor to OFF Table 2 1 CR Motor Assembly Specifications Category Requirement Type 4 phase 200 pole HB type pulse motor Drive Voltage 35 2 1 VDC Coil Resistance 2 7 10 per phase at 25 C 77 F Inductance 3 7 uH 20 per phase at 1K Hz 1 V rms Figure 2 2 Carriage Movement Mechanism 2 2 Rev A FX 2170 Service Manual Operating Principles 2 1 3 Platen Gap Adjustment You can adjust the platen gap the gap between the platen and printhead to allow t
45. screw 3 x 8 F Zn fixing the sensor holder to the upper housing assembly C B B Screw Q 3x8 F Zn H 2 x8 F Ni Case Open Sensor Assembly ESI Sensor 2 Holder Upper Housing Assembly Figure 3 15 Removing the Case Open Sensor Assembly 3 2 9 Removing the CR Motor Assembly Remove the rear edge guide assembly paper eject assembly rear tractor unit and printer cover see Section 3 2 1 2 Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 3 Remove the 2 CR mounting screws securing the CR motor assembly After releasing the extension spring 15 7 g disengage the timing belt from the CR motor assembly 4 Disconnect the cable for CN11 from the C166 MAIN board assembly 5 Remove the CR motor assembly from the printer mechanism CR Mounting Screws Figure 3 16 Removing the CR Motor Assembly Assembly Notes The tightening torque for the 2 CR mounting screws 0 78 0 98 Nm 8 10 Kg cm Adjust the bidirectional print alignment Refer to Chapter 4 3 12 Rev A FX 2170 Service Manual Disassembly and Assembly 3 2 10 Removing the Printer Mechanism 1 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor units and printer cover see Section 3 2 1 2 Remove the panel board assembly see Section 3 2 2 and upper housing assembly see Section 3 2 7 3 Remov
46. the DC current necessary to drive the printer control circuits and drive mechanism Table 2 5 shows the input voltages and fuse ratings for these boards Operating Principles Table 2 5 Power Supply Board Board Input Voltage Fuse F1 Rating C166 PSB 103 5 to 132 VAC 3 15A 125 V C166 PSE 198 to 264 VAC T2 0 AH 250 V 2 2 1 Power Supply Overview The power supply board has two power outputs for use by the various control circuits and drive mechanisms Table 2 6 lists the applications for the two DC output supply voltages Table 2 6 Power Supply Output Voltages and Applications Output Voltage DC Applications 5 V Main Board Logic Circuit Sensors Control Panel LEDs 35 V CR Motor PF Motor Printhead Drive Figure 2 22 shows a block diagram of the power supply circuitry nay ici E Second E 5V Switching Regurator o 45V DC 5V Constant Voltage Control Circuit 5V Over current Protection Circuit Full Wave Rectification Circuit Smoothing Circuit 35V Line Over Load Detector Circuit CPU Filter Circuit Port 20 AC input 35V Line Constant Voltage Control Circuit 35V Line Over Voltage Protection Circuit 5V Line Over Voltage Protection Circuit 35V Line Over Current Protection Circuit o Operation SW Figure 2 22 Power Supply Circuit
47. x 8 F Zn to attach the printhead Tighten the hexagon nut standard M4 securing the PG adjust lever Rev A 4 3 Adjustment FX 2170 Service Manual 4 2 2 Bidirectional Print Alignment Adjustment This section describes the procedure for adjusting the bidirectional print alignment required after mechanism repair This procedure is also necessary if you replace the main board assembly or EEPROM because the adjusted value is written to the EEPROM on the C166 MAIN board You can perform the adjustment from the Settings Diskette using the control panel or with a remote utility This section describes the adjustment procedure with the Settings Diskette first and then describes the adjustment procedure using the control panel Notes When the main board is replaced reset the Factory Settings first then perform the bidirectional adjustment Do not perform the Bi d adjustment if the input voltage is fluctuating heavily 4 2 2 1 Bi d Print Alignment Adjustment using the Settings Diskette 1 Insert the Settings Diskette into Drive A of the PC and the power on 2 Type GWBASIC and press ENTER 3 Load and run the J10A00E program First the program displays Machine Select Menu Program J10A00E Setting DEFSTD 9pns VRO 0 VR1 0 VR2 0 Printer select gt 1 9pins 2 24 Figure 4 5 Machine Select Menu Note DEFSTD is the default U S setting 4 Highlight 9 pins by moving the cursor with T or key and se
48. 01 mm 4 0 420 mm 16 5 101 mm 4 0 420 mm 16 5 Length 147 mm 5 8 420 mm 16 5 101 mm 4 0 420 mm 16 5 Copies 1 original 4 5 copies 1 original 4 5 copies Total 0 12 mm 0 0047 0 46 mm 0 018 0 12 mm 0 0047 0 46 mm 0 018 thickness Weight 40 g m 12 Ib 58 g m 15 Ib 40 g m 12 Ib 58 g m 15 Ib Quality Plain paper recycled paper Plain paper recycled paper Not curled folded or crumpled Not curled folded or crumpled Binding A line of glue at the top or one side of the A line of glue at the top of the form form 3c K This weight is for one sheet of the multipart form 1 8 Rev A Printable area FX 2170 Service Manual Product Description Figure 1 3 shows the printable area for cut sheets The table below defines the abbreviations used in the figure Table 1 10 Printable Area for Cut Sheets Abbreviations PW width Refer to Table 1 8 Single Sheet Multipart Refer to Table 1 9 PL length Refer to Table 1 8 Refer to Table 1 9 LM left margin 3 mm 0 12 or more PW lt 364 mm 14 33 25 mm 0 98 or more PW 420 mm 16 5 3 0 12 or more PW x 364 mm 14 33 25 mm 0 98 or more PW 420 mm 16 5 right margin 3 mm or more PW lt 364 mm 14 33 25 mm 0 98 or more PW 420 mm 16 5 3 mm or more PW lt 364 mm 14 33 25 0 98 or more PW
49. 1 33 FX 2170 Service Manual Product Description 1 1 Specifications These specifications provide statistical information for the the FX 2170 serial impact dot matrix printer 1 1 1 Features The FX 2170 is a 9 pin serial impact dot matrix printer suitable for the VAR value added reseller market The major features of this printer are Print speed High speed draft 440 characters per second cps Draft 330 cps LQ 66 cps at 10 characters per inch cpi Feeding method Friction feed front rear Push tractor feed front rear Push and pull tractor feed front rear Pull tractor feed front rear bottom Feeder Front push tractor rear push tractor CSF bin 1 bin 2 optional Pull tractor optional roll paper holder optional Paper media Single sheets continuous paper multipart paper envelopes card stock labels roll paper Fonts 2 LQ and 1 draft bitmap typefaces 8 barcode fonts Character tables Input buffer Acoustic noise Reliability Interfaces Control codes Copy capability Control panel functions Standard version 11 tables NLSP version 19 tables 64KB 55 dB A ISO 7779 pattern Total print volume 7 5 million lines except printhead MTBF 6000 power on hours POH Printhead life 200 million characters Ribbon life 12 million characters Bidirectional parallel interface IEEE P1284 nibble mode supported Type B I F Level 2 option ESC P and IBM 2380 2381 plus emulation 1 original
50. 10 9 Removing the Front PE Sensor Assembly 1 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 Remove the printer mechanism see Section 3 2 10 Turn the printer mechanism over on the reverse side and remove the front PE sensor by pushing and releasing the 2 clips Figure 3 36 Removing the Front PE Sensor Assembly Rev A 3 23 Disassembly and Assembly FX 2170 Service Manual 3 2 11 Removing the C166 MAIN Board Assembly 1 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover see Section 3 2 1 2 Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 3 Disconnect the following connectors from the C166 MAIN board assembly CN3 10 pin blue CN4 3 pin white CN5 3 pin black CN6 2 pin white CN7 4 pin white FFC CN8 18 pin white CN 16 pin white CN10 4 pin blue CNI1 5 pin blue CNI2 4 pin white CN13 4 pin black CNI5 22 Disconnect the cables for CN10 and CN11 after releasing the connector lock UA Disconnect the cable for CN3 by pushing down the connector lock M 4 Remove the 2 CBS screws 3 x 12 F Zn securing the upper connector cover 5 Remove 5 CBB screws 3 x 12 F Zn and 1 CBC l
51. 17 Ib Quality Avery continuous Avery continuous form labels form labels Avery mini line or Avery mini line or equivalent quality equivalent quality labels labels Printing on labels is available only at normal temperatures and humidity The base sheet for the labels must be continuous paper Continuous paper with labels should be inserted from the front or bottom entrance 2 5inch 63 5mm min gt E 15 16inch 23 8mm Label min B RO 1inch 2 5mm min Figure 1 6 Label Size Printable size and area The figure above is the printable size for the labels The printable area for the base sheet containing the labels depends on conditions in Figure 1 5 and Table 1 15 1 14 Rev A FX 2170 Service Manual Product Description Roll Paper Note Roll paper is not available in all models and not available in the U S Paper media specifications following table shows specifications for roll paper Table 1 17 Specifications for Roll Paper Front Entry Rear Entry Minimum Maximum Minimum Maximum Width 216 mm 8 5 Length Thickness 0 07 mm 0 0028 0 09 mm 0 0035 Weight 52 3 g m 14 Ib 82 g m 22 Ib Quality Plain paper recycled paper Not curled folded or crumpled Printable area Figure 1 7 gives the printable area for roll paper Each abbreviation is defined in the following table Table 1 18 Printable Area for Roll Paper PW width See Ta
52. 2170 Service Manual 2 3 5 PF Motor Driver Circuit The figure below shows the PF motor driver circuit IC6 74LS32 PG PG 13 12 IC11 P27 CPU UDN2917EB Figure 2 36 PF Motor Driver Circuit The gate array receives phase data from the CPU via ports 5 PG10 6 PGI1 7 PG12 and 8 PG13 converts the data to UDN2917 form and then sends that phase data to ports 43 PH1 and 26 PH2 The PF driver current is controlled by the 74LS32 using port 68 PF1 and 67 PF2 signals output from the gate array and port 61 P27 output from the CPU These controlled drive currents are output to ports 2 110 1 11 23 120 and 24 121 of the UDN2917EB 2 3 6 EEPROM Control Circuit The EEPROM is non volatile memory that stores information even if the printer power is off The figure below shows the EEPROM control circuit IC 8 CPU EEPROM Figure 2 37 EEPROM Control Circuit The EEPROM is controlled by CPU ports 9 P70 10 P71 11 P72 and 12 P73 Port 11 is the data output line used to save the information to the EEPROM and port 12 is the data input line used to read the saved data from the EEPROM Port 70 is the chip select line and port 71 is the clock timing line When the PWDN signal power down is detected on port 20 INTO the CPU writes the necessary data to the EEPROM before the 5 V line drops to 4 75 V 2 26 Rev A FX 2170 Service Manual Operati
53. 2H 13H TOF adjustment 72 to 432 4 2 mm to 8 5 mm 1 inch 0000H value for front in units of 1 432 inch 8 5 mm CSF bin2 14H 15H TOF adjustment 72 to 432 4 2 mm to 8 5 mm 1 inch 0000H value for rear in units of 1 432 inch 8 5 mm manual insertion 16H 17H TOF adjustment 72 to 432 4 2 mm to 8 5 mm 1 inch in units OOOOH value for front of 1 432 inch 8 5 mm manual insertion 18H 19H Bottom margin for 1 to 22 x 432 in units of 1 432 inch OOOOH 1290H front tractor 11 inches same as default 11 1AH 1BH Bottom margin for 1 to 22 x 432 in units of 1 432 inch 1290H rear tractor 0000H 11inches same as default 11 1CH Front selection 0 Roman 1 Draft 2 Sans serif 00H Roman Pitch selection 0 10 cpi 1 12 cpi 2 15 cpi 3 17 cpi 00H 4 20 cpi 5 Proportional 10 cpi Assignment of data for two or more bytes is sequential from lower byte to lower address and from higher byte to higher address A 2 Rev A FX 2170 Service Manual Address Reserved Data Format Appendix Default Pitch direction setting 0 Bi d 1 Uni d I F mode selection 0 Auto I F Selection 1 Parallel I F 2 Type B VF Auto I F wait time setting 10 10 Sec 30 30 00 10 Sec Auto line feed Auto tear off Skip over perforation High speed draft Input buffer 0 Off 0 Off 0 Off 0 On 0 On b0 Auto line feed b1 Auto tear of
54. 3 Operation at Default Setting Mode Pitch Selects the menu Tear Off Bin Changes the setting Others Not available 1 4 2 Status Codes Indicated by the LEDs and Beeper Table 1 44 Indicators and Beeper Paper Out I Pause Paper Out Paper Jam Head Hot Blinks Cover Open On Micro Adjust Blinks Tear Off Bin Selection Pitch Selection Font Selection m Fatal Error Blinks Blinks Blinks Blinks Blinks O indicates the beeper sounds for 100 ms with an interval of 100 ms indicates the beeper sounds for 500 ms with an interval of 100 ms indicates that the LED or beeper is not used to indicate this status condition 1 30 Rev A FX 2170 Service Manual Product Description 1 4 3 Micro Adjust Function The micro adjust function lets you set the TOF and tear off positions After the printer is put in this mode you can adjust the top of form TOF position up or down in increments of 1016 inch by pressing the LF FF or Load Eject button The adjusted TOF position is saved to the EEPROM If the printer is turned off the setting is not cleared The function is operational in the printer under the following conditions and within the following area Conditions required for the adjustment The TOF position can be adjusted under the following conditions 1 The data buffer is empty and the printer is on line 2 Paper is at the TOF position 3 The Pause bu
55. 53 Turkish PC 855 Cyrillic PC 857 Turkish PC 866 Russian NLSP Version PC 869 Greek MAZOWAI Poland Code MJK CSFR ISO 8859 7 ISO Latin 1T Turkish Bulgaria Bulgarian Latin Greek Estonia Estonia PC 744 ISO Latin 2 LST 1283 1993 PC 866 LAT Latvia 1 20 Rev A FX 2170 Service Manual Product Description 1 3 2 Interface Specifications This printer provides a bidirectional 8 bit parallel interface and a Type B optional interface slot standard 1 3 2 1 Parallel Interface Forward Channel Transmission mode 8 bit parallel IEEE P1284 compatibility mode Adaptable connector 57 30360 Amphenol or equivalent Synchronization STROBE pulse Handshaking BUSY and ACKNLG signals Signal level TTL compatible IEEE P1284 level 1 device Table 1 31 Pin Assignments for Forward Channel Return In Out GND pin Function Description STROBE Strobe pulse Input data is latched at falling edge of the signal DATA1 Parallel input data to the printer bit 0 LSB DATA2 bit 1 DATAS3 bit 2 DATA4 bit 3 DATA5 bit 4 DATA6 bit 5 DATA7 bit 6 DATA8 bit 7 MSB ACKNLG This signal negative pulse indicates the printer has received data and is ready to accept more data BUSY This signal s HIGH level means the printer is not ready to accept data PE This signal s HIGH level means the printer has a paper out error SLCT Always HIGH when the pr
56. 9 pattern Rev A 1 5 Product Description FX 2170 Service Manual 1 2 3 Paper Handling Specifications Feeding method Friction feed front rear Push tractor feed front rear Push and pull feed front rear bottom Feeder Front push tractor rear push tractor CSF bin 1 bin 2 optional Pull tractor optional and roll paper holder optional Paper path Manual insertion Front or rear in top out CSF Rear in top out Tractor Front rear or bottom in top out Line spacing 1 6 inch or programmable in increments of 1 216 inch Feed speed 1 6 inch feed 47 msec Continuous feed 0 1027 m sec 5 0 inches sec Release lever Set the release lever using the following table Table 1 6 Paper Path and Paper Types Paper Types Card Stock Envelopes Lever Position Front insertion Rear insertion Friction CSF bin 1 CSF bin 2 Roll paper holder Paper Entrance Single Sheet Labels Multipart Roll Paper Front Push tractor Push pull Rear Push tractor Push pull Full Pull front bottom release Pull rear This symbol after means you need to check the paper type before using it with this paper path 1 6 Rev A FX 2170 Service Manual Product Description Paper thickness lever Set the paper thickness lever to the appropriate position as indicated in the following table Table 1 7 Paper Thickness Lever Positions Paper Thickness inches Paper Thickness mm
57. Block Diagram As shown in the figure above when AC power enters the printer from an external power source the filter circuit removes the noise The AC voltage then undergoes full wave rectification and is smoothed to produce direct voltage The voltage is fed to the gate port for the switching FET Q1 K2126 or K2130 through resistors R18 and R31 and then the switching circuit operates The secondary smoothing circuit produces a stepped down 35 VDC voltage The 5 VDC voltage is generated by feeding the 35 VDC voltage through the 5 VDC power supply circuit where the 35 VDC is stepped down to a stable 5 VDC from the 35 VDC line Rev A 2 17 Operating Principles FX 2170 Service Manual 2 2 2 Power Supply Circuit Operation The power supply circuit is composed of an RCC ringing choke converter system and the power switch circuit in the secondary circuitry The power supply circuit has several protection and control circuits This section describes these circuits 1 Power Switch Circuit The power switch circuit is in the secondary circuitry It is shown in the illustration below 35V Line D85 PSC line M E TR Operation SW Power SW Figure 2 23 Power Switch Circuit When printer power is off the PSC line is connected to a ground line and the current is loaded from C55 to PC1 Consequently Q32 and Q31 are turned on and the switching FET is shut off 2 35 V
58. Check the surface of the CR shaft and oil pad Replace or lubricate the oil pad If any foreign object is jamming the carriage remove it and clean the surface of the CR shaft Then lubricate the CR shaft HP sensor is defective Check the operation of the HP sensor Refer to page 5 2 Replace the HP sensor Refer the page 3 8 Troubleshooting Problem CR operation is abnormal FX 2170 Service Manual Table 5 8 Repairing the Printer Mechanism Symptom The CR moves slightly and then stops A foreign object is jammed between both terminals of the HP sensor Checkpoint Check the HP sensor Solution Remove the any foreign object CN4 connector removed from the HP sensor Check the connection of the connector Connect the CN4 correctly The CR moves to the left side HP side and strikes the frame of the printer The HP sensor is defective Check the operation of the HP sensor Refer to page 5 2 Replace the HP sensor Printing is abnormal No image is printed Common wires in the printhead FFC are disconnected or there is no continuity Check the common wires in the printhead FFC Replace the printhead FFC The printer does not print a particular dot The printhead is defective Measure the coil resistance of the printhead The resistance should be approximately 16 4 ohms Refer to page 5 1
59. Components Rev A 1 35 Product Description FX 2170 Service Manual 1 6 1 C166 MAIN Board Assembly The C165 MAIN board consists of TMP96C041AF CPU E05B13 gate array a program CG ROM a PS RAM an EEPROM etc IC11 PF Motor Driver IC3 P ROM IC 5 PS RAM UDN2917EB 2 GATE ARRAY E05B13 212 Head Drive IC 1 EEPROM CN2 for Option I F CR Motor Driver TRANSISTOR SLA7024M TMP96C041AF Figure 1 13 C166 MAIN Board Assembly 1 6 2 C166 PSB PSE Board Assembly These boards have two AC input voltage ratings 120 VAC C166 PSB and 230 VAC C166 PSE Both boards consist of a transformer switching FET regulator IC diode bridge etc The power supply board provides 5 VDC and 35 VDC for the main board and printer mechanism F1 Q1 PC1 1 52 Fuse Switching FET Photo Coupler _ OP amp
60. EPSON TERMINAL PRINTER FX 2170 EPSON 4005662 NOTICE All right reserved Reproduction of any part of this manual in any form wharsoever without SEIKO EPSON s express written permission is forbidden The contents of this manual are subject to change without notice All efforts have been made to ensure the accuracy of the contents of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above notwithstanding SEIKO EPSON can assume no responsibility for any errors in this manual or the consequences thereof Copyright 1995 by SEIKO EPSON CORPORATION Nagano Japan PRECAUTIONS Precautionary notations throughout the tect are categorized relative to 1 personal injury and 2 damage to equipment DANGER Singnals a precaution which if ignored could ressult in serious or fatal personal injury Great caution should be exercised in performing procedures preceded by a DANGER headings WARNING Singnals a precaution which if ignored could result in damage to equipment The precautionary measures itemized below should always be observed when performing repair maintenance procedures DANGER 1 ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND THE HOST COMPUTER BEFORE PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURE 2 NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMIAR WITH BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN THEIR
61. HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH Figure 4 9 Current Bi d Print Alignment 11 If the Bi d pattern is not aligned properly adjust it by changing the value with the lt or key If the second row is shifted to the right of the first row change the value by pressing lt key and print the new Bi d print alignment pattern by pressing SPACE If the second row is shifted to the left of the first row change the value by pressing the key and print the new Bi d print alignment pattern by pressing SPACE Perform this operation for each mode 0 1 and 2 12 When the Bi d print alignment is correct for each print mode press ENTER to write the adjusted values to the EEPROM and print the adjusted value for each mode This operation returns the program to the Main Menu automatically 13 To exit this program press ESC until the computer returns to the MS DOS prompt Note The factory settings are written to the EEPROM when you run one of the the check programs shown in the Main Menu After you select the factory settings be sure to run the check program Rev A 4 5 Adjustment FX 2170 Service Manual 4 2 2 2 Bi d Print Alignment Adjustment from the Control Panel 1 Turn the printer on while pressing the PAUSE button to put the printer into Bi D adjustment mode The printer prints out a guide sheet containing 25 patterns in Super Draft mode Look for the pattern most closely aligned on the sheet
62. Left Frame 0 3 19 Figure 3 27 Cable Connection for the Release Lever Sensors 3 19 Figure 3 28 Removing the RD Assembly 3 20 Figure 3 29 Engaging Gears for the RD Assembly 3 20 Figure 3 30 Disconnecting the EFG scum terc tx RES Pare e horde aros 3 21 Figure 3 31 Removing the CR 3 21 Figure 3 32 Inserting the Timing 3 22 Figure 3 33 Inserting the Oil Pad into the CR Assembly 3 22 Figure 3 34 Assembling the Rear CR Guide Shaft 3 22 Figure 3 35 Removing the Rear PE Sensor Assembly 3 23 Figure 3 36 Removing the Front PE Sensor 3 23 Figure 3 37 Removing the C166 MAIN Board Assembly 3 24 Figure 3 38 Removing the C166 PSB E Board Assembly 3 25 Figure 3 39 Direction for Mounting the Fan 3 25 Figure 3 40 Releasing the Clips for the Right CSF Cover 3 26 Figure 3 41 Cable 3 27 Figure 3 42 Engaging 13 Gears 3 27 Figure 3 43 Removing the 3 28 Figure 3 44 Removing 1 Gear 2 3 28 Figure 3 45 Removing the CPB Tight 5
63. Parameters dl Print speed 0 High speed draft 1 Draft 2 LQ d2 43 Bi d adjustment data to be written units 1 720 inch n FFF4H 12 12 720 inch to the right 1 22 720 inch to the right n FFFEH 2 1 720 inch to the right n 0000H 0 0001H 1 1 720 inch to the left n 0002H 2 2 120 inch to the left 000 12 12 720 inch to the left e Range dl 0 1 or2 d2 d3 12 lt n 412 n d2 d3 x 256 2 Print Data for Selected EEPROM Address Format 1B 7C 00 04 00 01 FE 80 in hex dl Parameter dl EEPROM address e Range dl xdl lt 7FH 3 Write Data to Specific EEPROM Address Format 1B 7C 00 05 00 04 FB 02 in hex dl 42 Parameters di EEPROM address d2 Byte of data to be written e Range dl lt di lt 7FH d2 lt 42 lt Will not accept addresses 00Hor 02H 4 Set Print Mode Format 1B 7C 00 04 00 03 FC 81 in hex dl Parameter dl Print speed bit 0 ESC mode 1 not fixed 0 bit 1 Head hot mode 1 not fixed 0 bit 2 Head cold mode 1 not fixed 0 bit 3 Heavy duty mode 1 not fixed 0 bit 4 Thick paper mode 1 not fixed 0 bit 5 Reserved bit 6 Power down mode 1 not fixed 0 bit 7 Normal mode 1 not fixed 0 e Range 00H x dl 05H 5 Compare Data at Selected EEPROM Addresses Format 1B 7C 00 05 00 05 FA 82 in hex 4142 Parameters dl EEPROM address d2 Address of data to be compared Range
64. RESET 2 Check Pro FF 3 Check Pro A3 4 Check Pro A4 5 Check Pro Envelope Figure 4 13 Main Menu 8 Inthis menu select one of the check programs from 2 to 5 depending on the paper loaded run that check program to print out check patterns Running the check program writes the selected factory settings to EEPROM 9 To exit the program press ESC until the display returns to the MS DOS prompt Rev A 4 7 Adjustment FX 2170 Service Manual 4 2 4 TPE Level Reset This section describes the procedure to reset the TPE top paper end level This operation is required when the PW sensor assembly is replaced and if it is not performed the printer does not recognize that the PW sensor has been replaced thus limiting the ability of the new sensor to operate This reset operation can be performed only from the Settings Diskette Note After this operation the reset value for the TPE LEVEL is printed out automatically Check that the reset value is FF 1 Insertthe Settings Diskette into Drive A of the PC and turn the power on 2 Type GWBASIC and press ENTER 3 Load and run the J10A00E program First the Machine Select Menu is displayed Program J10A00E Setting DEFSTD 9pns VRO 0 VR1 0 VR220 Printer select gt 1 9pins 2 24 pins Figure 4 14 Machine Select Menu 4 In this menu highlight 9 pins by moving the cursor with or key and select it by pressing ENTER 5 After you select 9 p
65. able 5 3 Motor Test Points Test Method Test Pin Number Set Meter to Ohms Disconnect Motor from Main Board after the Printer is Powered off Place one lead on pin 5 and the other lead on each of 4 test pins Troubleshooting Meter Reading 2 7 Q 10 at 25 C 77 F PF Motor CNIO Place one lead on pin 1 and other lead on pin 2 Place one lead on pin 3 and other lead on pin 4 5 2 4 Error Codes with Indicators and Buzzer Error Condition Table 5 4 Indicators and Buzzer Indicator 160 10 at 25 C 77 F Paper Out Tear Off Paper Out Bin On Paper Jam Blinks Head Hot Blinks On Cover Open Fatal Error Blinks Blinks Blinks Blinks O indicates that the beep sounds for 100 ms with an interval of 100 ms indicates that the beep sounds 500 ms with an interval of 100 ms Rev A Blinks 5 3 Troubleshooting FX 2170 Service Manual 5 3 UNIT LEVEL TROUBLESHOOTING You may be able to identify the defective unit just from the symptom displayed The table below provides the symptoms for a number of failures right hand column of the table below to determine the cause of the problem Table 5 5 Symptoms and Problem Descriptions Once you identify the problem refer to the flowchart listed in the Problem Description Flowchart No Abnormal CR Operation Carriage does not move at all When the printer
66. amitate screw 3 x 8 F Zn securing the C166 MAIN board assembly to the lower housing assembly 6 Remove the option I F cage from the C166 MAIN board by releasing the hooks which is fixing it to the C166 MAIN board C 166 MAIN Baord Assembly LJ Figure 3 37 Removing the C166 MAIN Baord Assembly 7 Remove the C166 MAIN board assembly ssembly Notes Notice the location of the CBC lamitite screw 3 x 8 F Zn Refer to the above figure Lock CN10 and by pushing down each connector s lock after inserting the connector cable The tightening torque for the CBB 3 x 12 F Zn screw 0 78 0 98 Nm 8 10 Kg f The tightening torque for CBB 3 x 8 F Zn screw 0 78 0 98 Nm 8 10 Kg f If you replace the main board adjust the bidirectional print alignment and run the default setting program Refer to Chapter 4 3 24 Rev A FX 2170 Service Manual Disassembly and Assembly 3 2 12 Removing the C166 PSB E Board Assembly 1 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 Remove the 5 CBB screws 3 x 12 F Zn securing the C166 PSB E board assembly Disconnect the cable for CN3 on the C166 MAIN board assembly Disconnect the cable for the fan motor from CN3 on the C166 PSB E board assembly Remove the C166 PSB E board
67. and disconnect connector CN2 5 Remove the CSF board assembly by releasing 1 clip fixing the CSF board assembly to the right CSF frame 6 Remove the 13 gears mounted on the right CSF frame 3 26 Rev A FX 2170 Service Manual Disassembly and Assembly ssembly Notes Be careful of the cable alignment for the CN1 connector cable and earth cables Align those cables as shown in the following figure If these cables is not aligned properly the CSF gear cover cannot be assembled properly Right CSF Frame Connector CN1 Connector CN2 Figure 3 41 Cable Alignment Use the following figure to assemble the 13 gears onto the right CSF frame Gear 29 mm Driven Transmission Gear Paper Eject DrivenTransmission Gear CSF Planetary Lever Assembly Gear 18mm CSF Planetary Lever i Sub Assembly Gears Gear 15mm Gear Paper Eject 15 5mm Transmission 10 mm Gear A Figure 3 42 Engaging 13 Gears Rev A 3 27 Disassembly and Assembly FX 2170 Service Manual 3 3 2 Disassembling Paper Support Block Assembly 1 Remove the CSF gear cover Refer to step 1 in Section 3 3 1 2 Remove the stepping motor Refer to steps 2 and 3 in the Section 3 3 1 3 Remove the E ring fixing the right edge of the paper feed shaft Figure 3 43 Removing the E ring 4 Remove 1 gear 29 mm from the right edge of the paper feed shaft Q Figure 3 44 Removing 1 Gear
68. ase lever position is set to continuous paper Table 1 34 Paper Handling Sequence 1 Occurrence Result Print command sent Continuous paper is loaded Pause button pressed Printer enters pause state LF FF button pressed Continuous paper is loaded Load Eject button pressed Continuous paper is loaded Micro Adjust T button pressed No operation Micro Adjust J button pressed No operation Release lever set to Friction The paper path is changed for cut sheets Printer status The rear PE sensor detects that paper is loaded in the rear paper path The release lever is set to continuous paper Table 1 35 Paper Handling Sequence 2 Occurrence Result Pause button pressed The printer goes off or on line LF FF button pressed The printer performs a line feed LF FF button held down continuously The printer performs a form feed after the line feed Load Eject button pressed Paper is ejected to the rear paper park position Load Eject button pressed and paper advanced to skip area Paper is advanced to the next TOF position Micro Adjust T button pressed The printer micro feeds paper forward Micro Adjust J button pressed The printer micro feeds paper backward Release lever set to Friction The beeper sounds Front paper end sensor detects that paper is loaded in the front paper path Th
69. assembly while pulling up the fan motor A R WY N CN3 Connector Figure 3 38 Removing the C166 PSB E Board Assembly ssembly Notes Insert the cable for CN2 C166 PSB E board assembly side under the fan motor The tightening torque for the CBB screw 3 x 12 F Zn 0 78 0 98 Nm 8 10 Kg Notice the direction for mounting the fan motor Refer to the following figure Figure 3 39 Direction for Mounting the Fan Motor Rev A 3 25 Disassembly and Assembly FX 2170 Service Manual 3 3 Disassembly and Assembly of CSF Bin 1 This section describes procedures for disassembling and assembling the optional cut sheet feeder In general you can install a component in the CSF simply by reversing the procedure for removing it Therefore this section does not describe assembly procedures in most cases If necessary special notes on assembling a component are given at the end of the description of each procedure 3 3 1 Disassembling the Right Side Block 1 Remove the CSF gear cover by pushing and releasing the 4 clips in the following figure CSF Gear Cover v Right CSF Frame S Figure 3 40 Releasing the Clips for the CSF Gear Cover 2 Remove the 3 CPB tight 3 x 12 screws securing the stepping motor to the right CSF frame 3 Disconnect connector CN1 from the CSF board assembly and then remove the stepping motor 4 Remove the CPB tight 3 x 12 screw securing the CSF board assembly
70. ble 1 17 PL length See Table 1 17 LM 3 mm 0 12 or more RM 3 mm 0 12 or more TM 4 2 mm 0 17 or more BM 4 2 mm 0 17 or more Figure 1 7 Printable Area for Roll Paper Rev A 1 15 Product Description FX 2170 Service Manual 1 2 5 Ribbon Specifications Table 1 19 Statistics on the Ribbon Type Fabric Color Black Ribbon life 12 million characters draft 10 cpi 14 dots character Dimension 506 0 mm W x 123 5 mm D x 23 0 mm H 19 92 W x 4 86 D x 91 H 1 2 6 Electrical Specifications Tables 1 20 and 1 21 provide statistics on electrical ratings and consumption Table 1 20 Electrical Specifications for the 120 V Version Rated voltage 120 VAC Input voltage range 103 5 to 132 VAC Rated frequency range 50 to 60 Hz Input frequency range 49 5 to 60 5 Hz Rated current 1 0 A max 1 8 A Power consumption Approx 60 W self test in draft mode at 10 cpi Insulation resistance 10 MQ min between AC line and chassis 500 VDC Dielectric strength 1000 VAC rms 1 min or 1200 VAC rms 1 sec between AC line and chassis Table 1 21 Electrical Specifications for the 220 240 V Version Rated voltage 220 to 240 VAC Input voltage range 198 to 264 VAC Rated frequency range 50 to 60 Hz Input frequency range 49 5 to 60 5 Hz Rated current 0 5 A ma
71. cable by pulling the lock cover for CN1 and then disconnect the for and connector CN2 from the C165 PNL board assembly Ss JM Figure 3 4 Removing the Panel Board Assembly 4 Remove the panel board assembly from the upper housing assembly Assembly Notes Before disconnecting the FFC from CNI slide the lock cover for CN 1 as shown in Figure 3 5 and release the from CNI After reconnecting the for CNI lock the lock cover The FFC must be connected properly as shown in Figure 3 5 Exposed terminals must be connected face upward against the C165 PNL board Lock Cover for ON 1 Slide Exposed terminals face ZZ Figure 3 5 Lock Cover for CN1 and the FFC 3 6 Rev A 3 2 3 Removing the Printhead l 9 Remove the printer cover and ribbon cartridge see Section 3 2 1 Remove 2 CBS screws 3 x 10 F Zn securing the printhead to the CR assembly Remove the printhead from the CR assembly Disconnect 2 wide FFCs from the printhead and then disconnect the narrow FFC from the connector on the CR cover Assembly Notes The FFC must be connected properly as shown in the following figure The tightening torque for the 2 CBS screws 3 x 10 F Zn 0 59 0 78 Nm 6 8 Kg f Adjust the platen gap Refer to Chapter 4 Disassembly and Assembly FX 2170
72. ce Mechanism The ribbon is held between the ribbon advance roller ribbon driven gear and the ribbon pressure roller When the carriage moves from left to right and vice versa on the CR guide shaft the timing belt turns the belt driven pulley Then the torque is transmitted to the ribbon driving gear through the gear trains The ribbon driving gear rotates counterclockwise no matter what direction the carriage moves because a planetary gear is used in the gear linkage Table 2 4 Ribbon Advance Gear Linkage Direction of Carriage Movement Gear Linkage Left to right Belt driven pulley gt Gear 1 Gear 2 gt indicated by the black arrow Ribbon driving gear Right to light Belt driven pulley gt Gear 1 Gear 3 gt indicated by the white arrow Gear 4 gt Ribbon driving gear The ribbon brake spring attached to the exit of the cartridge case prevents slack in the ribbon and keeps the ribbon tension at an appropriate level The ribbon mask prevents the ribbon from brushing against the paper Figure 2 21 Ribbon Advance Mechanism 2 16 Rev A FX 2170 Service Manual 2 2 POWER SUPPLY OPERATION The printer can be powered by either of two power supply boards the C166 PSB 120 V or C166 PSE 230 V power supply These boards are the same for both the LQ 2170 and FX 2170 Additionally the PSB and PSE boards function the same except for a difference in primary circuitry The power supply board outputs
73. chanism make sure both locks for left and right bushings 8 mm are locked completely Be careful handling the lever holders for the left and right bushings 8 mm These are fragile Adjust the platen gap Refer to Chapter 4 3 10 Rev A FX 2170 Service Manual Disassembly and Assembly 3 2 7 Removing the Upper Housing Assembly Remove the rear edge guide assembly paper eject assembly rear tractor unit and printer cover see Section 3 2 1 Remove the panel board assembly see Section 3 2 2 Remove 4 CBB screws 4 x 14 F Zn securing the upper housing assembly Remove the platen knob Qu deux Se Lift up the front side of the upper housing assembly by releasing 2 hooks from the holes located on right and left of the front bottom side Figure 3 13 Releasing the Upper Housing Assembly Hooks 6 Remove the upper housing assembly Figure 3 14 Removing the Upper Housing Assembly Assembly Note The tightening torque for the CBB 4 x 14 F Zn 0 98 Nm 10 12 Kg cm Rev A 3 11 Disassembly and Assembly FX 2170 Service Manual 3 2 8 Removing the Case Open Sensor Assembly 1 Remove the rear edge guide assembly paper eject assembly rear tractor unit and printer cover see Section 3 2 1 2 Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 3 Turn the upper housing assembly over and remove the case open sensor assembly by loosening the CBB
74. ction Check List for the Repaired Printer Category Component Item to Check Is Check Required Printhead Are any wires broken Checked Not necessary Are any wires worn out Checked Not necessary Carriage Does the carriage move smoothly Checked Not necessary mechanism Movement noisy Mechanism dirty LI Mechanism oily Is the CR motor at the Checked _ Not necessary correct temperature not overheating Paper Is paper advancing smoothly Checked L Not necessary advance _ Movement noisy Mechanism dirty mechanism Mechanism oily Is the paper feed motor running Checked Not necessary at the correct temperature not overheating Paper path Is the type of paper in the printer _ Checked Not necessary feeding smoothly Is the tractor feeding the paper Checked Not necessary correctly Is the paper path clear of all Checked L Not necessary obstructions Is the platen free of damage Checked Not necessary Ribbon Is the ribbon mask free of distortion Checked _ Not necessary mask Self test Was the self test successful Checked L Not necessary On line test Was the on line test successful Checked L Not necessary Printhead Is the platen gap adjusted correctly Checked _ Not necessary printing Is the bidirectional pri
75. d CA ei oat eld Rho e AC e ease 1 16 1 2 6 Electrical Specifications cere E uod e 1 16 1 2 7 Environmental 1 17 12 8 ReliaDility en NER 4 doux etes alee 1 17 2 9 Safety ApDIOVAIS si mo mra Ane Cen dado a y e de 1 17 1 2 10 CE Marking anaana Loiret eon eg dar i eut 1 18 1 2 11 Physical Specifications 2 iem ew tee e eb noe E don Ponte ola D de ake 1 18 1 2 12 Cut Sheet Feeder Specifications 1 18 1 3 Firmware Specifications 1 20 1 3 1 Control Codes and x uude me vias eke eeu Sue 1 20 1 3 2 Interface Specifications 1 21 1 3 2 1 Parallel Interface Forward Channel 1 21 1 3 2 2 Parallel Interface Reverse 1 23 1 3 2 3 Interface Selection 1 24 1 3 2 4 Preventing the Host from Data Time out 1 24 1 3 3 Paper Handling Firmware Specifications 1 25 1 3 4 Paper Width Sensor Operation 1 28 1 4 Operating Instructions 1 29 1 4 Control Panel Operation 1 29 1 4 2 Status Codes Indicated by the LEDs and 1 30 1 4 3 Micro Adjustment Function 1 31 1 4 4 Tear Off Functi
76. des detailed hardware specifications for the FX 2170 1 2 1 Printing Method Printing method Impact dot matrix Color Black Number of pins 18 pins Pin arrangement 9x2 Pin diameter 0 29 mm 0 0114 inch c pri V 1 72 4 e 2 822 N 8 72 N BUS e N e Head Center e Y 9 e 0 847 mm 1 307 Figure 1 2 Pin Configuration n The figure above shows the configuration of pins on the paper Print direction Bidirectional with logic seeking for text and unidirectional for graphics Bidirectional printing of graphics can be selected with a printer setting or software command 1 4 Rev A FX 2170 Service Manual Product Description 1 2 2 Printing Specifications Copy capability 1 original 5 copies Print speed and printable columns Table 1 4 Print Speed and Printable Columns Print Speed cps Print Mode Character Pitch Printable Columns Normal Multipart High speed draft Draft Draft condensed Draft emphasized NLQ Resolution Table 1 5 Print Resolution Print Mode Horizontal Density Vertical Density Adjacent Dot Printed High speed draft 90 dpi Draft 120 dpi Draft condensed 240 Draft emphasized 120 dpi NLQ 240 dpi 60 72 80 90 or 120 dpi Bit image 120 or 240 dpi Acoustic noise 55 dB A ISO 777
77. dvance Mechanism 2 15 Paper Paths nsei sar etas oa E eee 2 1 6 Ribbon Advance Mechanism 2 2 1 Power Supply 2 2 2 Power Supply Circuit Operation 2 3 CONTROL CIRCUIT 2 3 1 Control Circuit Operation Overview 2 3 2 System Reset Circuit 2 3 3 Printhead Drive Circuit 2 3 4 CR Motor Drive Circuit 2 3 5 PF Motor Drive Circuit 2 3 6 EEPROM Control Circuit 2 3 7 Sensor Circuits llli llle Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 List of Figures Printhead Operation MP DERE Carriage Movement Platen Gap Adjust Lever Release ounce Atta aM OE ete eee owt one Friction Advance Operation Using the Top Entrance Push Tractor Operation Using the Rear Paper Entrance Push Tractor Operation Using the Front Paper Entrance Pull Tractor Operation Using the Bottom Paper Entrance Push Pull Tractor Operation Using the Rear Paper Entrance Figure 2 10 Push Pull Tractor Operation Using the Front Paper Entrance Figure 2 11 Paper Path and Detector PE Sensor Location Figure 2 12 Friction Feeding Using the Top
78. e The chapters are organized as follows Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Provides a general product overview Lists specifications and illustrates the main components of the printer Describes the theory of printer operation Includes a step by step guide for product disassembly and assembly Includes a step by step guide for addjustement Provides Epson approved techniques for troubleshooting Describes prevetive maintenance techniques The contents of this manual are subject to change without notice REVISION SHEET Revision Issued Date Revision Page Rev October 13 1995 1st issued TABLE OF CONTENTS CHAPTER 1 CHAPTER 2 CHAPTER 3 CHAPTER 4 CHAPTER 5 CHAPTER 6 APPENDIX GENERAL DESCRIPTION OPERATION PRINCIPLES DISASSEMBLY AND ASSEMBLY ADJUSTMENTS TROUBLESHOOTING MAINTENANCE CHAPTER 1 Product Description Table of Contents 1 1 Specifications 1 1 UB cS 1 1 17152 ACCOSSDTIBS e dre d Vea ed er re REID ERR ES M E a 1 3 1 2 Hardware Specifications 1 4 1 2 T Pr nting Method rhe hx a oes ERE RES 1 4 1 2 2 Printing Specifications She Hee see ow e eee Ra eee x 1 5 1 2 3 Paper Handling Specifications 1 6 1 2 4 Paper 5 5 1 8 1 2 5 Ribbon Specifications u
79. e 1 8 Specifications for Cut Sheets Single Sheet not Multipart 1 8 Table 1 9 Specifications for Cut Sheets 1 8 Table 1 10 Printable Area for Cut Sheets 1 9 Table 1 11 Specifications for 1 10 Table 1 12 Specifications for Card Stock 1 10 Table 1 13 Printable Area for Envelopes and Card Stock 1 11 Table 1 14 Specifications for Continuous Paper Single Sheet and Multipart 1 12 Table 1 15 Printable Area for Continuous Paper 1 13 Table 1 16 Specifications for Continuous Paper with Labels 1 14 Table 1 17 Specifications for Roll 1 15 Table 1 18 Printable Area for Roll Paper 1 15 Table 1 19 Ribbon Specifications 1 16 Table 1 20 Electrical Specifications for 120 V Version 1 16 Table 1 21 Electrical Specifications for 220 240 V Version 1 16 Table 1 22 Environmental Conditions 1 17 Table 1 23 Reliability x seat E ERG Rea 1 17 Table 1 24 Safety Information for Printer 1 17 Table 1 25 Marking oo ed vide SQ eR SEE ERIS 1 18 Table 1 26 Physical lt
80. e 4 printer mechanism mounting screws securing the printer mechanism 4 Disconnect the following connectors on the C166 MAIN board assembly CNA 3 pin white CNS 3 pin black CN6 2 pin white CN7 4 pin white FFC CN8 18 pin white CNO 16 pin white FFC CN10 4 pin blue CN11 5 pin blue CN12 4 pin white CN13 4 pin black Disconnect the cables for CN10 and CN11 after releasing the connector locks by pulling up 5 Remove the printer mechanism Printer Mechanism Mounting Screws Se Figure 3 17 Removing the Printer Mechanism Assembly Notes Notice the connection for cables CN10 and CN11 and align the red colored cable to pin 1 of the connector The tightening torque for the printer mechanism mounting screw 0 98 Nm 1 18 Nm 10 12 Kg cm Adjust the bidirectional print alignment and reset the TPE level Refer to Chapter 4 Rev A 3 13 Disassembly and Assembly FX 2170 Service Manual 3 2 10 1 Removing the PF Motor 1 Ow geh eo es at Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover see Section 3 2 1 Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 Remove the printer mechanism see Section 3 2 10 Remove the CBS screw 3 x 6 F Zn and CB screw 3 x 8 F Zn securing the PF motor Disconnect connector CN10 from the C166 MAIN board as
81. e DB1 is dead Table 5 6 Repairing the C166 PSB PSE Board Assembly Checkpoint Measure the DC voltage between the pins 3 and 4 of the DB1 Solution Replace the DB1 The transformer coil is open Measure the resistance of T1 transformer coils at pins 12 15 9 11 7 8 3 4 Replace the T1 5 10 Q1 is dead Check that the resistance between the source and drain is infinite Check the voltage waveform between the source and drain of the Q1 Replace the Q1 PC1 is dead Check the voltage waveform between pins 3 and 4 of the PC1 Replace PC1 Rev A FX 2170 Service Manual Troubleshooting Table 5 6 Repairing the C166 PSB PSE Board Assembly Continued Problem The 35 V and 5 V lines are not output when the printer is powered on Q32 is dead Checkpoint Check that the resistance between the collector and emitter is infinite Solution Replace the Q32 Q31 is dead Check that the resistance between the source and drain is infinite Replace the Q31 The 5 V line is not output C51 is dead Check the voltage waveform at pin 8 of 51 The voltage waveform is as follows Check the voltage at pin 12 of IC51 Replace IC51
82. e beeper sounds Rev A 1 25 Product Description FX 2170 Service Manual Printer status The front PE sensor detects that paper is loaded in the front paper path The release lever is set to continuous paper Table 1 36 Paper Handling Sequence 3 Occurrence Result PAUSE button pressed Printer goes off or on line LF FF button pressed Printer performs a line feed LF FF button held down continuously The printer performs a form feed after the line feed Load Eject button pressed Paper is ejected to the front paper park position Load Eject button pressed and the paper was advanced to skip area Paper is advanced to the next TOF position Micro Adjust T button pressed The printer micro feeds paper forward Micro Adjust J button pressed The printer micro feeds paper backward Release lever was set to Friction The beeper sounds Front paper end sensor detects that paper was loaded in the rear paper path The beeper sounds Printer status Printer is on line not in the pause state No PE sensor detects that paper is loaded The printer is set to CSF The release lever is set to the Friction Table 1 37 Paper Handling Sequence 4 Occurrence Result Print command sent The paper is loaded from the CSF Pause button pressed Printer goes off line LF FF button pressed Paper is loaded from the CSF Load Eject butto
83. e button with the printer off line feeds the paper back to the TOF position for the next page and brings the printer back on line Pressing the Pause button with the printer on line feeds the paper back to the TOF position for the next page and takes the printer off line CJ Pressing the LF FF button feeds the paper back to the TOF position for the next page and executes a line feed O Pressing the Load Eject button feeds the paper back to the TOF position for the next page and ejects paper backward Pressing the Pause button more than 3 seconds puts the printer in micro adjust mode where you can adjust the tear off position by pressing the LF FF Load Eject button Ifthe printer is turned off while in the tear off mode the tear off position is saved and paper is fed back to the TOF position for the next page by turning on the printer again Rev A 1 31 Product Description FX 2170 Service Manual 1 4 5 Self test Function Pressing the Load Eject button while turning on the printer puts the printer in LQ self test mode Pressing the LF FF button while turning on the printer puts the printer in Draft self test mode You can stop the self test temporarily by pressing the Pause button and you can exit the self test mode by turning off the printer When pages are printed from the CSF the first sheet is used for scaling the sheet length Then the maximum number of printable lines is printed as the bottom line of the s
84. e the C166 corrected PSB PSE board MAIN board Replace the C166 i4 y Figure 5 5 Flowchart 3 5 8 Rev A FX 2170 Service Manual 4 Abnormal Printing START Is the self test YES Troubleshooting printed correctly the dots printed the control panel blink at any wires in the printhead the resistance of printhead wires Check printhead motors drivers and power supply with a meter Replace any bad parts Is the problem corrected YES Connect the cable correctly connected correctly Is the problem corrected the FFC using multimeter Is it Replace the FFC Is the problem corrected Replace the C166 MAIN board Y iA Rev A Data received from the host is not printed P correctly Are YES broken Does YES check OK a Replace the NO printhead Is the problem corrected NO settings correct the correct printer drivers installed the printer multimeter Is it Is the bottom of characters missing NO Replace the C166 MAIN board WV ribbon mask Reset the printer
85. eed shaft from both paper support assemblies by pulling them toward the right or left side 5 Remove both paper feed rollers from the paper support assemblies 6 Remove both CSF roller covers by releasing the clips fixing them to the paper support assemblies Remove the paper support shaft by pulling out it toward the right or left side Left CSF Roller Cover Right CSF Roller Cover Figure 3 53 Removing the CSF Roller Cover 8 Remove the paper holder and then remove the paper holder spring ssembly Note Be careful to assemble the paper feed roller into the proper side of the paper support assembly The right and left rollers are not interchangeable 3 32 Rev A 4 Adjustments Table of Contents 4 1 ADJUSTMENT OVERVIEW 4 1 4 1 1 Required Adjustments 4 1 4 1 2 Required Adjustment 4 1 4 2 ADJUSTING AND RESETTING THE PRINTER 4 2 42 4 Platen Gap Adj stMent Eck kee ese ND ee eee eee kes 4 2 4 2 2 Bidirectional Print Alignment Adjustment 4 4 4 2 2 1 Bi d Print Alignment Adjustment on the Settings Diskette 4 4 4 2 2 2 Bi d Print Alignment Adjustment the Control Panel 4 6 4 2 3 Factory Setting Ves oss babe Lo MU RIS AU 4 7 42 4 TPE Level Reset us neq vetere d qd reta ea ieu ia eir e de Cob 4 8
86. es the paper tension roller from the printer mechanism 2 12 Rev A FX 2170 Service Manual Operating Principles Figure 2 15 Push Pull Tractor Feeding Using the Rear Entrance As shown above in Figure 2 15 when you use the pull tractor with this printer you must remove the paper eject cover which includes the paper tension roller from the printer mechanism 3 Bottom Entrance Figure 2 16 shows the paper path for tractor feeding using the bottom entrance The bottom entrance is used only for pull tractor feed When the bottom entrance is used the front PE sensor detects when paper is out Figure 2 16 Pull Tractor Feeding Using the Bottom Entrance Rev A 2 13 Operating Principles FX 2170 Service Manual 4 Front Entrance Figures 2 17 through 2 20 show the paper paths for the front entrance The front entrance can be used with any of the following paper feed methods friction feed push tractor feed pull tractor feed or push pull tractor feed When the front entrance is used the front PE sensor detects when paper is out Figure 2 17 Friction Feeding Using the Front Entrance 2 14 Rev A FX 2170 Service Manual Operating Principles Figure 2 20 Push Pull Tractor Feeding Using the Front Entrance Rev A 2 15 Operating Principles FX 2170 Service Manual 2 1 6 Ribbon Advan
87. f Skip over perforation High speed draft Input buffer Reserved Reserved Reserved Software 0 slashed Buzzer Auto CR Software 0 slashed Buzzer Reserved Auto CR Reserved Reserved Reserved 0 Off 0 On 1 1 Off 0 Off 1 On 0 ESC P 1 IBM2381 Plus 24H 25H Tear Off adjustment 128 to 127 in units of 1 432 inch 26H Reserved 27H Backup flags 1 Copy mode 28H Backup flags 2 In tear off state Bin select Friction Bin 1 or Tractor not Tear Off Friction Bin 1 Friction Bin 2 Friction Card Stock Tractor and Tear off Panel mask pattern 1 LOAD function EJECT function FONT selection PITCH selection TEAR OFF function BIN selection Draft self test LQ self test Panel mask pattern 2 from higher byte to higher address Rev A LF function FF function MICRO ADJUST function PAUSE function Data dump Default setting Bi d adjustment Reserved Assignment of data for two or more bytes is sequential from lower byte to lower address and A 3 Appendix Address 2BH Manual feed wait time FX 2170 Service Manual Data Format 3 to 30 in units of 0 1 sec 0 3 sec same as default Default 03H 0 3 sec 2CH 1 Tear off wait time 3 to 30 in units of 0 1 sec 0 3 sec same as default 03H 0 3 sec
88. following chart shows you a block diagram of the control circuit Q5 Q22 Head Temp Head Drv Detector Type B I F IC 3 ROM IC 5 RAM 2 Gate Array IC 1 E E05B13 CPU Release Lever Detector Gap Lever Detector IC 12 IC 11 CR Drv PF Drv SLA7024M UDN2917EB Data Bus ELA Address Bus Figure 2 30 Control Circuit Block Diagram 2 22 Rev A FX 2170 Service Manual Operating Principles The following figure shows the data flow from the host computer to the printhead Data sent from the host computer is converted to image data and transmitted to the printhead through the gate array CPU TMP96C041 AF Option I F Bd Parallel I F NND diss Print data conversion 1 cmi cR Host 1 0 Computer Gate Array E05B13 NUS MTS Line Edit EE EE Print data 7 conversion 2 2 Data latch and data output eee Puffer peepee ee eee ere EEE Image data transfer Printhead drive circuite Figure 2 31 Data Flow The following table lists the each function of the main components of the C166 MAIN board Table 2 7 Functions of the Main Board Location Function Receives data from the host computer and sends it to the input buffer in RAM under interrupt processing control Extends the input data held in the buffer to create image data L
89. for Continuous Paper Single Sheet and Multipart Front Entry Rear Entry Bottom Entry Width Minimum 101 mm 4 0 Maximum 406 mm 16 Minimum 101 mm 4 0 Maximum 406 mm 16 Minimum 101 mm 4 0 Maximum 406 mm 16 Length 101 mm 4 0 559 mm 22 101 mm 4 0 559 mm 22 101 mm 4 0 559 mm 22 Copies 1 original 5 copies 1 original 5 copies 1 original 5 copies Total thickness 0 065 mm 0 0025 0 46 mm 0 018 0 065 mm 0 0025 0 46 mm 0 018 0 065 mm 0 0025 0 46 mm 0 018 Weight not multipart 52 3 g m 14 Ib 82 g m 22 Ib 52 3 g m 14 Ib 82 g m2 22 Ib 52 3 g m 14 Ib 82 g m2 22 Ib Weight one sheet of a multipart form 40 g m 12 Ib 58 g m 15 Ib 40 g m 12 Ib 58 g m 15 Ib 40 g m 12 Ib 58 g m 15 Ib Types of paper Plain paper Recycled paper Carbonless multipart Plain paper Recycled paper Carbonless multipart Plain paper Recycled paper Carbonless multipart Binding Dots of glue or paper staples both sides Dots of glue or paper staples both sides Dots of glue or paper staples both sides Rev A FX 2170 Service Manual Product Description Printable area The figure below shows the printable area for continuous paper Each abbreviation is defined in the followin
90. g table Table 1 15 Printable Area for Continuous Paper Abbreviations Continuous Paper PW width Refer to Table 1 14 PL length Refer to Table 1 14 LM left margin 13 mm 0 51 or more right margin 13 mm 0 51 or more TM top margin 4 2 mm 0 17 or more 0 17 BM bottom margin 4 2 mm 0 17 or more PW gt e e f V fa O gt AN N PL af IN P de lt UJ fa Figure 1 5 Printable Area for Continuous Paper Rev A 1 13 Product Description FX 2170 Service Manual Continuous Paper with Labels Paper media specifications following table gives the specifications for continuous paper with labels Table 1 16 Specifications for Continuous Paper with Labels Front Entry Rear Entry Bottom Entry Minimum Maximum Minimum Maximum Minimum Maximum Label size See the figure below See the figure below Base sheet width 101 mm 406 mm 101 mm 406 mm 4 0 16 4 0 16 Base sheet length 101 mm 559 mm 101 mm 559 mm one page 4 0 22 4 0 22 Base sheet thickness 0 07 mm 0 09 mm 0 16 mm 0 19 mm 0 0028 0 00352 0 0063 0 0075 Total thickness 0 16 mm 0 19 mm 0 16 mm 0 19 mm 0 0063 0 0075 0 0063 0 0075 Label weight 68 g m 17 Ib 68 g m
91. he printer to use paper of different weights or thicknesses When you move the platen gap adjust lever forward or backward the carriage guide shaft rotates This rotation moves the carriage either toward or away from the platen and changes the platen gap This adjustment function has nine ranges for the adjustment and the adjustment position is detected by 2 platen gap PG switches Gap Adjust Lever PG SW1 PG SW2 Platen Gap Adjustment Slot Figure 2 3 Platen Gap Adjustment Lever Moving the platen gap adjust lever beyond position 4 changes the print speed mode to Copy 2 mode and the speed slows down to about 24 normal to protect the printhead The following table show you the relationship between the platen gap and the print speed Table 2 2 Platen Gap and Print Speed Paper Type Thickness Adjust Lever PG SW2 Single Sheet 0 065 0 Closed Closed Normal 0 1 0 Closed Closed Normal 0 14 1 Closed Closed Normal Continuous 0 065 0 Closed Closed Normal Paper Single Sheet 0 09 0 Closed Closed Normal Continuous 70 18 1 Closed Closed Normal PROS 70 25 2 Open Closed Copy 1 0 32 4 2 0 39 5 2 0 46 6 Open Open Copy 2 Labels 0 07 0 19 3 Open Closed Copy 1 Envelopes 0 16 0 32 4 Open Open Copy 2 0 16 0 40 4 Open Open Copy 2 0 22 0 44 4 Open Open C
92. he procedure for installing a component is simply the reverse of removing the component this chapter does not describe the assembly procedure If necessary special notes on assembling or adjusting a component are given at the end of the description of each procedure Be sure to follow the instructions in these notes 197 48 MIO Before disassembling any part of the printer note the warnings in Section 3 1 Before beginning to disassemble the printer remove the paper and the ink ribbon Also disconnect the interface cable Whenever the printer is repaired wipe the surface of the paper width PW sensor assembly with a soft cloth and keep it clean to avoid abnormal operation If the surface is dirty from any adhering material sensor sensitivity goes down and operation is not correct Note Exploded diagrams in the appendix show you how the components fit together Refer to them as necessary The flowchart below shows the order you need to use to disassemble the printer For details of the required adjustments refer to Chapter 4 Bi d adjustment is required PG adjustment is required ola Bi d amp PG adjustment are required Bi d Adjustment amp Factory Setting replaced to new one LLL Level Reset is required when the parts is replaced to new one 3 2 1 Page 3 5 Pre disassemblly Procedures ae 3 6 23213
93. heet and this number is saved in non volatile memory as the default page length Page lengths are saved individually when a dual bin CSF is in use The self test prints out the following O The maximum number of printable lines only on cut sheets from the CSF O The pattern of characters shown in the figure below Roman I st X amp 0123456789 lt gt 789ABCDEFGHIJKLMNOPQRSTUVWXYZ N abcdefghijklmnopq 1 amp 7 0123456789 lt gt 7 ABCDEFGHI JKLMNOPQRSTUVWXYZ N1 abodefghijklmnopar 0123456789 lt gt ABCDEFGHI JKLMNOPQRSTUVWXYZ _ abcdefghijklmnopars H X amp 0123456788 lt gt ABCDEFGHI JKLMNOPQRSTUVWXYZ _ abcdefghijklmoparsti X amp 0123456788 lt gt 7 ABCDEFGHI JKLMNOPQRSTUVWXYZ _ abcdefghijklmnoparstu X amp 0123456789 lt gt ABCDEFGHI JKLMNOPOQRSTUVWXYZ _ abcdefghijklmoparstuw amp 0123456789 lt gt ABCDEFGHI JKLMNOPQRSTUVWKYZ abcdefghiJklmnoparstuvw Sans serif 7 0123456789 lt gt 28ABCDEFGHIJKLMNOPGQRSTUVWXYZ N abcdefghijklmnopqrstuvwx 0123456789 5 lt gt 7 ABCDEFGHI JKLMNOPGRSTUVUXYZ N1 abcdefghijklmnopqrstuvwxy 0123456789 1 lt gt 2 ABCDEFGHI JKLMNOPOQRSTUVWXYZ J _ abcdefghijklmnopgqrstuvwxy z Figure 1 10 Self test Printout 1 4 6 Hexadecimal Dump Function Pressing the Load Eject and LF FF buttons while turning on the printer
94. hen the 5 V line goes up to 4 2 V and then 100 ms passes 2 When the 5 V line goes below 4 2 V a RESET signal is output RESET is canceled when the 5 V line goes back up to 4 2 V and then 100 ms passes v see 4 3 2 1 4 RESET je xc Power On SS VOUT RESET VCC 5V line Figure 2 33 Reset Signal Output Timing 2 3 3 Printhead Driver Circuit Print Head 35 485V HTMP 69 76 89 91 93 Gate Array R51 Figure 2 34 Printhead Driver Circuit The standard voltage for the A D converter is made in ZD1 and input to CPU port 78 Based on this standard voltage the A D converter in the CPU operates Port 74 monitors the 35 V line between R50 and R51 to determine the printhead drive pulse width Using the monitored voltage the CPU converts the voltage to a digital value and decides the printhead drive pulse width and then transports the data to the gate array via CPU port 19 Based on the monitored voltage the CPU decides the printing interval Port 73 monitors the printhead temperature to protect the printhead If the temperature exceeds 107 C 225 F printing is stopped 2 24 Rev A FX 2170 Service Manual Operating Principles 2 3 4 CR Motor Driver Circuit The CR motor driver circuit is shown below CRA CR A 5V o CRB e CR B SLA7024M CRCOM 3 RSA
95. ically the same way as the push tractor The push tractor is installed at the paper entrance and pushes paper into the printer On the other hand the pull tractor is installed at the paper exit and pulls paper out of the printer mechanism As a result the paper tension unit is not required Figure 2 8 illustrates pull tractor operation when paper is fed through the bottom paper entrance Figure 2 8 Pull Tractor Operation Using the Bottom Paper Entrance 2 8 Rev A 4 Push Pull Tractor Method The push pull tractor method is a combination of the push and pull tractor methods Two tractors are used to advance the paper one at the front paper entrance and the other at the rear paper entrance They operate simultaneously to push and pull the paper through the printer mechanism Figure 2 9 illustrates push pull tractor operation when paper is fed through the rear paper entrance Figure 2 10 illustrate push pull tractor operation when paper is fed through the front entrance Figure 2 9 Push Pull Tractor Operation Using the Rear Paper Entrance Operating Principles FX 2170 Service Manual Figure 2 10 Push Pull Tractor Operation Using the Front Paper Entrance 2 10 Rev A FX 2170 Service Manual Operating Principles 2 1 5 Paper Paths This section describes various paper paths through the printer mechanism These paper paths are divided into four groups depending on which entrance top rear bottom or front is used to feed paper The p
96. ightening torque for the CB screw 2 5 x 5 F Zn 0 08 0 12 Nm 0 8 0 12 Kg f cm When you replace the PW sensor assembly reset the TPE level Refer to Chapter 4 Micro Photo Sensor View of PW Sensor through Ribbon Mask Holder Ribbon Mask Holder Figure 3 10 Mounting Position for the PW Sensor Assembly Rev A 3 9 Disassembly and Assembly FX 2170 Service Manual 3 2 6 Removing the Platen Assembly 1 Remove the printer cover ribbon cartridge and platen knob see Section 3 2 1 2 Release both locks for the left and right bushings 8 mm by pushing the lever holder for the bushings outside and then pulling the holder lever forward Left and Right Bushings 8mm SN AS N ED OAS NE 2 al 1 CS FN Figure 3 11 Releasing the Locks for the Bushings 3 Slide the platen assembly to the right and move the printhead to the right edge 4 Pull the left edge of the platen assembly upward by tilting it backward and then pull up the right edge of the platen assembly Figure 3 12 Removing the Platen Assembly Assembly Notes Before reinstalling the platen assembly into the printer mechanism move the printhead to the right edge of the CR shaft and set the release lever to the tractor position This pre assembly operation helps you mount the platen assembly more easily After installing the platen assembly into the printer me
97. in 1 and the other lead on pin 2 and check the voltage while toggling the sensor lever Open 5 V Paper loaded Short 0 V No paper CN13 PG Sensors 1 and 2 1 PG 1 GND PG2 GND Place one lead on pin 1 and the other lead on pin 2 and check the voltage while toggling the sensor lever Place one lead on pin 3 and the other lead on pin 4 and check the voltage while toggling the sensor lever Open 5 V Short 0 V CNI2 Release Sensors 1 and 2 Release 1 GND Release 2 Place one lead on pin 1 and the other lead on pin 2 and check the voltage while toggling the sensor lever Place one lead on pin 3 and the other lead on pin 4 and check the voltage while toggling the sensor lever Open 5 V Short 0 V PW Sensor Place one lead on pin 1 and the other lead on pin 2 and check the voltage while inserting and removing paper between the platen and sensor 0 Open Voltage No paper Short Voltage Paper loaded Case Open Sensor 1 COPEN 5 2 2 GND Place one lead on pin 1 and the other lead on pin 2 and check the voltage while toggling the sensor lever Open 5 V Case open Short 0 V Case closed Rev A FX 2170 Service Manual 5 2 3 Motors Motor Connector Number Common Pin Number CR Motor CNII T
98. ins the Setting File menu is displayed Program J10A00E Setting DEFSTD 9pins VRO 0 VR1 0 VR2 0 Setting File DEFSTD Figure 4 15 Setting File Menu 6 In this menu highlight the destination factory settings by moving the cursor with or key and select the factory settings by pressing ENTER 7 After you select the factory settings the Main Menu is displayed Program J10A00E Setting DEFSTD 9pns VRO 0 VR1 0 VR2 20 Main MENU 1 Bi d Agjust 6 TPE LEVEL RESET 2 Check Pro FF 3 Check Pro A3 4 Check Pro A4 S Check Pro Envelope Figure 4 16 Main Menu 8 In this menu highlight LEVEL RESET by moving the cursor with T or J key and select it by pressing ENTER This operation prints the reset value of the TPE LEVEL automatically The reset value should be FFH Check that the reset value is FFH 9 Toexit the program press ESC until the display returns to the MS DOS prompt 4 8 Rev A FX 2170 Service Manual Troubleshooting Chapter5 Troubleshooting Table of Contents 5 1 OVERVIEW 5 1 5 2 TROUBLESHOOTING INFORMATION 5 1 PRINTHEAD suus rd eR REDE s IRA ea RE 5 1 5 212 SENSORS uot ect ES icr pi Babe e Mas inci Suede usb va 5 2 5 2 9 MOTORS ci cna e Rex eas Moe ge or bee xb darent rd 5 3 5 2 4 ERROR CODES WITH THE INDICATORS AND BUZZER 5 3 5 3 UNIT LEVEL TROUBLESHOOTING 5 4 5 4 REPAIRING THE C166PSB PSE
99. inter is powered on AFXT Not used INIT This signal s negative pulse initializes printer ERROR This signal s LOW level means the printer is in an error state SLIN Not used Logic H This line is pulled up to 5 V through 3 3KQ resistor 45V This line is pulled up to 5 V through 3 3KQ resistor Chassis Chassis GND GND Signal GND NC Not connected Rev A 1 21 Product Description FX 2170 Service Manual DATA S y t hold STROBE 1510 gt tnext BUSY Ju lt _tready ec tbusy ACKNLG reply S e tack gt lt Figure 1 8 Data Transmission Timing Table 1 32 Maximum and Minimum Timings for Data Transmission 500 nsec 500 nsec 500 nsec 0 500 nsec 500 nsec 10 us 0 120 nsec 200 nsec O The BUSY signal is active HIGH level under the conditions below O During data receipt If the input buffer is full If the INIT signal is active LOW level During hardware initialization In self test mode In adjustment mode O In default setting mode J The ERROR signal is active LOW level under the conditions below If there is a fatal error If there is a paper out error O Ifthe cover is open cover open error PE signal is active HIGH level under the conditions below If there is a paper out error 1 22 Rev A FX 2170 Service Ma
100. interface goes into a busy state When the Type B serial interface card is installed and it is not selected the interface sends an XOFF code and sets the DTR signal to MARK When the optional interface is not selected the printer sends disable commands to the optional interface When the printer is initialized or returned to the idle state the parallel interface goes into the ready state the serial interface sends an XON code and sets the DTR signal to SPACE and the printer sends an enable command to the optional interface Remember that interrupt signals such as the INIT signal on the parallel interface are not effective unless that interface 15 selected 1 3 2 4 Prevention Hosts from Data Transfer Time out Generally hosts abandon data transfer to peripherals when the peripheral is in the busy state for dozens of seconds continuously To prevent hosts from this kind of time out the printer receives data very slowly several bytes per minute even if the printer is in the busy state This slowdown is started when the rest of the input buffer becomes several hundreds of bytes Finally when the input buffer is full the printer is in busy continuously 1 24 Rev A FX 2170 Service Manual 1 3 3 Paper Handling Sequence Product Description In this section paper handling firmware sequences are described in several cases Printer status Printer is on line not in the pause state No PE sensor detects that paper is loaded The rele
101. iption FX 2170 Service Manual 4 Push pull tractor feed Set the release lever to the REAR PUSH FRONT PUSH position Load paper from the front or rear entrance Remove the paper eject assembly and attach the pull tractor unit Remove any slack in the paper between the platen and pull tractor Precisely adjust the horizontal position of the pull tractor and push tractor Multipart paper must be carbonless Do not perform reverse feeds greater than 1 6 inch Do not perform reverse feeds after the paper end has been detected 1 2 4 Paper Specifications This section describes the printable area and types of paper that can be used in this printer Cut Sheets Paper media specifications The following table shows specifications for cut sheets Table 1 8 Specifications for Cut Sheets Single Sheet Not Multipart Front Entry Rear Entry Minimum Maximum Minimum Maximum Width 101 mm 4 0 420 mm 16 5 101 mm 4 0 420 mm 16 5 Length 147 mm 5 8 420 mm 16 5 101 mm 4 0 420 mm 16 5 Thickness 0 065 mm 0 0025 0 14 mm 0 0055 0 065 mm 0 0025 0 14 mm 0 0055 Weight 52 3 g m 14 Ib 90 g m 24 Ib 52 3 g m 14 Ib 90 g m 24 Ib Quality Plain paper recycled paper Plain paper recycled paper Not curled folded or crumpled Not curled folded or crumpled Table 1 9 Specifications for Cut Sheets Multipart Front Entry Rear Entry Minimum Maximum Minimum Maximum Width 1
102. is powered on the CR moves away from home position after a moment and stops All indicator LEDs on the control panel blink Flowchart 1 Abnormal Paper Feed Paper does not feed at all When the printer is powered on paper is ejected automatically When paper is loaded it is ejected automatically and then the printer indicates Ready Flowchart 2 Flowchart 2 1 Abnormal Control Panel Operation Control panel indicator LEDs do not light Operate button does not work e Panel buttons do not operate Flowchart 3 Abnormal Printing 5 4 No image is printed e Faulty printing some dots are not printing Flowchart 4 Rev A FX 2170 Service Manual 1 Abnormal CR Operation START When the printer is Troubleshooting Connect powered on does p lt connected the CR motor rotate Y YES YES Check the resistance of the motor coils See Table 5 3 Does the CR motor NO stop during or after initialization you move the CR manually with the power off does it move freely YES Is CN4 connected correctly YES Does the HP sensor work NO Replace the correctly See HP sensor Table 5 2 Me problem corrected Replace the oil pad mounted on the CR assembly Clean the CR shaft and lubricate the oil pad and the
103. ism For replacement and adjustment instructions see Chapter 3 Disassembly and Assembly and Chapter 4 Adjustments If the same symptom recurs after repair select another item in the list of causes and repair the printer according to those instructions Problem CR operation is abnormal Symptom When the printer is powered on the CR motor does not rotate at all The CR motor is defective Table 5 8 Repairing the Printer Mechanism Checkpoint Measure the coil resistance of the motor Resistance is approximately 2 7 ohms Solution Replace the CR motor Refer to page 3 12 When the printer is powered on the CR motor does not rotate all and all indicators blink CN11 is disconnected from the main board Check CN11 Connect CN11 correctly The CR motor can be rotated when the printer is powered on But the CR does not move The timing belt came off the pinon gear of the CR motor Check the engagement of the timing belt Reinstall the timing belt correctly Rev A The CR moves slightly and then stops Platen gap is too narrow Manually move the CR and check that it moves smoothly The proper platen gap is approximately 0 37 mm Adjust the platen gap properly Refer to page 4 2 Printer lacks lubrication or a foreign object is jammed between the oil pad and CR shaft Manually move the CR and check that it moves smoothly
104. king the values or ranges listed for each component 5 2 TROUBLESHOOTING INFORMATION This section gives troubleshooting information to let you check test points for replaceable units 5 2 1 Printhead 5 1 Printhead Coil Resistance Test Points Test Method Set meter to ohms Disconnect Meter Reading the printhead after the printer is powered off Refer to the Place one lead on each pin and the 16 4 1096 following figure other lead on each common pin at 25 C 77 F Refer to the following figure 3 X 15 C5 2 C6 5 16 11 C7 17 X 14 4 8 F i B8BBORRRREOROSRRRE F X 1 9 137 C1 X 18 C2 12 CA X 610 T T X Thermistor terminal X Not used Figure 5 1 Printhead Connector Pin Alignment Rev A 5 1 Troubleshooting 5 2 2 Sensors Sensor Connector Number CN4 HP Sensor FX 2170 Service Manual Table 5 2 Sensor Test Points Test Pin Number Test Method Set Meter to DC Voltage Place one lead on pin 1 and the other lead on pin 2 and check the voltage while blocking the two sensor terminals Meter Reading Open 5 V Home position Short 0 V Not home Rear PE Sensor Place one lead on pin 2 and the other lead on pin 3 and check the voltage while toggling the sensor lever Open 5 V Paper loaded Short 0 V No paper Front PE Sensor 1 PE GND Place one lead on p
105. le 5 2 corrected YES Is the NO problem A corrected YES Does the PW ar sensor work Replace the correctly see sensor Y Table 5 2 Replace the C166 MAIN board YES Is the NO problem v 4 corrected YES END v Replace the C166 MAIN board 7 Figure 5 4 Flowchart 2 1 Rev A 5 7 Troubleshooting FX 2170 Service Manual 3 Abnormal Control Panel Operation START Does the Operate button NO turn power on and off Check the Operate button p on the control panel using a multimeter YES Is the NO Replace the Do th p areas ee Check them using ey PNL board buttons a multimeter function OK Is the YES Are problem YES they Replace the corrected OK PNL board YES Is the 5 NO roblem ES the FFC NO Connect the a connected p corrected correctly cable correctly Is the FFC NO connected gt Connect the cable correctly correctly y Is the problem corrected YE S Is the problem corrected Check pin 19 of NO p Replace the the FFC Is it FFC v OK Check YES the using n NO p Replace the Is the multimeter Is it FFC problem OK corrected YES END Is the v problem YES Replac
106. lease SW1 bu Release SW2 cS Figure 2 4 Release Switch 2 4 Rev A FX 2170 Service Manual Operating Principles 2 1 4 2 Paper Advance Mechanism This section describes how the friction and tractor advance mechanisms work to move the paper through the printer 1 Friction Advance Method Paper is held between the platen and the paper guide rollers and between the paper tension roller and paper tension unit cover The paper feed PF motor pinion gear turns in the direction of the black arrow driving the paper advance reduction gear The paper advance reduction gear turns the platen gear and paper tension roller gear Paper advances in the direction of the white arrow Figure 2 5 shows the friction advance method when paper is fed through the top paper entrance In the friction advance method the paper guide roller spring holds the paper against the platen Paper can be released by setting the release lever to the tractor feed position Figure 2 5 Friction Advance Operation Using the Top Entrance Rev A 2 5 Operating Principles FX 2170 Service Manual 2 Push Tractor Method The push tractor method is used with the rear or front entrance When the push tractor method is used with the rear entrance the torque generated by the PF motor is transmitted to the push tractor gear through the PF motor pinion gear paper advance reduction gear and tractor reduction gear When the PF motor pinion gear turns in the direction of
107. lect it by pressing ENTER 5 After you select 9 pins you see the following menu Program J10A00E Setting DEFSTD 9pins VRO 0 VR1 0 VR2 0 Setting File 1 DEFSTD 2 EURSTD 3 NLSP 4 5 gt ITALIC RUSSIAN Figure 4 6 Setting File Menu 6 In this menu highlight the factory settings for the printer s destination by moving the cursor with the T or J key and select the destination factory settings by pressing ENTER 7 After you select the each factory settings the program displays the Main Menu shown below Program J10A00E Setting DEFSTD 9pns VRO 0 VR120 VR2 0 Main MENU 1 Bi d Adjust 6 TPE LEVEL RESET 2 Check Pro FF 8 Check Pro A3 4 Check Pro A4 5 Check Pro Envelope Figure 4 7 Main Menu 8 Highlight Bi d Adjust by moving the cursor with the or key and select it by pressing ENTER 9 After you select Bi d Adjust the program displays the Bi D Adjustment Menu shown on the next page 4 4 Rev A FX 2170 Service Manual Adjustment Bi d adjustment gt gt Mode 0 0 Mode 1 0 Mode 2 0 Cancel Print Speed Value Write Default ESC SPACE i gt RET HOME Figure 4 8 Bi d Adjustment Menu 10 Highlight the mode by moving the cursor with the or key and then print the current Bi d print alignment pattern for that mode by pressing SPACE Mode 0 VRO 0 HHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
108. ments CN14 Signal Name Function CSF motor phase A CSF motor phase B CSF motor phase A CSF motor phase CSF motor hold signal 5 VDC line Signal GND Signal GND 35 VDC line 35 VDC line 4 e Table A 14 Connector Pin Assignments CN15 Signal Name Function COPEN Case open sensor signal PAUSEL Pause LED signal 45V 5 VDC line POUTL Paper out LED signal RESRVL Pitch select LED PAUSSW Pause button signal TBIN2L Tear off bin select LED TBIN1L Tear off bin select LED PITC1L Pitch select LED PITC2L Pitch select LED FONT3L Not connected FONT2L Font LED FONT1L Font LED GND Signal GND GND Signal GND FONTSW Font button signal PITCSW Pitch button signal TBINSW Tear off bin signal PSC Operate button signal LDEJSW Load Eject button signal LFFFSW LF FF button signal FG Frame GND OONOOARWD Rev A A 9 Appendix FX 2170 Service Manual A 10 Rev A FX 2170 Service Manual Appendix A 4 CIRCUIT DIAGRAMS Figure A 2 C166 MAIN Board Assembly Circuit Diagram Rev A A 11 Appendix FX 2170 Service Manual A 12 Rev A FX 2170 Service Manual Appendix Figure A 3 C166 PSB Board Assembly Circuit Diagram Rev A A 13 Appendix FX 2170 Service Manual A 14 Rev A FX 2170 Service Manual Appendix Figure A 4 C166 PSE Board Assembly Circuit Diagram Rev A A 15 Appendix FX 2170 Service Manual A 16 Rev A FX 2170 Service Manual Appendi
109. n pressed Paper is loaded from the CSF Micro Adjust T button pressed No operation Micro Adjust 4 button pressed No operation Release lever set to tractor position The paper path is changed to tractor Rear Front paper end sensor detects that And 3 seconds have passed paper is loaded in the rear or front paper path The printer feeds paper Rear Front paper end sensor detects that And Pause LE FF LOAD EJECT button was pressed paper is loaded in the rear or front paper path Ignored 1 26 Rev A FX 2170 Service Manual Printer status Product Description The rear PE sensor detects that paper is loaded in the rear paper path Release lever position is set to Friction Table 1 38 Paper Handling Sequence 5 Occurrence Result Pause button pressed Printer goes on or off line LF FF button pressed Printer performs a line feed LF FF button held down continuously Printer ejects paper forward after the line feed except with roll paper The printer performs a form feed after the line feed roll paper LF FF button pressed and paper is advanced over the logical paper length Paper is ejected forward except with roll paper The printer performs a form feed roll paper Load Eject button pressed Paper is ejected forward except with roll paper The printer performs a form feed roll paper Micr
110. nance Table of Contents 6 1 PREVENTIVE MAINTENANCE 6 1 6 2 APPLYING LUBRICATION 6 1 List of Figures Figure 6 1 Lubrication Points 1 and 3 6 2 Figure 6 2 Lubrication Point 2 6 2 Figure 6 3 Lubrication 4 6 3 Figure 6 4 Lubrication Points 5 6 and 7 6 3 List of Tables Table 5 1 EUIS DE cod cs pem oer IET DE Eo pet SEES Ae 6 1 Table 6 2 Lubrication Points FX 2170 Service Manual Maintenance 6 1 PREVENTIVE MAINTENANCE Preventive maintenance includes regular cleaning of the exterior case using denatured alcohol as well as occasional vacuuming of the mechanism interior to remove dust and paper debris After cleaning the unit check that it is adequately lubricated as described in Section 6 2 below Before returning the printer to the customer inspect springs paper feed rollers and basic operation 197 48 MIO Disconnect the printer from the external AC power source before performing maintenance Do not use thinner trichloroethylene or ketone based solvents on the plastic components of the printer 6 2 APPLYING LUBRICATION EPSON recommends the printer be lubricated at the points illustrated in Figure 6 1 Table 6 2 lists each point along with its recommended lubricant The recommended lubricants are EPSON G
111. ne Q31 GND Figure 2 26 35 V Line Overload Detection Circuit When the 35 V line is overloaded it means that constant voltage control is not being maintained In this condition the forward current of PC1 drops to 0 A Consequently voltage Vf between PC1 and D81 also drops On this circuit when the Vf voltage drops below 1 3 V 35 V line 33 1 V IC528 detects the overload and outputs the PWDN signal 5 V HIGH active to port 20 of the CPU When the CPU receives this PWDN signal printing stops When the 35 V line becomes normal again the voltage between PC1 and D81 also becomes normal When the Vf voltage goes above 1 6 V 35 V line 33 4 V the PWDN signal is removed Rev A 2 19 Operating Principles FX 2170 Service Manual 5 35 V Line Over Current Protection Circuit The 35 V line over current control circuit is illustrated below R54 35V Line GND Q31 Figure 2 27 35 V Line Over Current Protection Circuit When the 35 V line becomes less than 27 V Q82 and Q54 turn on and PCI turns on Consequently Q32 and Q31 turn off and then switching FET Q1 shuts off When the protection circuit operates this protection can only be removed by turning the power off and on again 6 5 V Line Over Current Protect Circuit 5 V line over current control circuit is shown below L51 Q51 R53 35V Line o Line 1 51 i TLA94CN gt GND Figure 2 28 5 V Line Over Current Protection Circuit Port
112. ng Principles 2 3 7 Sensor Circuits The CPU detects conditions of the following sensors home position HP sensor release sensors 1 and 2 platen gap PG sensors 1 and 2 rear and front paper end PE sensors paper width PW sensor and cover open sensor 5V 5V Rear PE HP Sensor Sensor Release 64 Sensor 2 Front PE Release Sensor 65 Sensor 1 PW Sensor PG Sensor 2 Sensor 5V 5V 5V 51 5V 5V 5V Figure 2 38 Sensor Circuits Two types of sensors are used in this printer Release sensors 1 and 2 PG sensors 1 and 2 the front PE sensor and cover open sensor are momentary switches Pages 2 3 and 2 4 describe the relationship between release and PG sensor operation and actual print operation The other type of sensor is used for the HP sensor rear PE sensor and PW sensor which are photo diode switches The HP sensor detects CR home position when the photo diode rays are cut off by the printhead The rear PE sensor detects that paper has been loaded when the photo diode rays are cut off by the sensor plate which is included in the rear PE sensor The PW sensor used for paper width measurement and paper loading positioning detects the paper edge by comparing the measured voltage with standard voltage which was measured during the power on sequence Additionally as mentioned on the page 2 24 the 35 V line and head temperature are monitored to set the p
113. nt position Checked _ Not necessary Adjustment adjusted correctly Default Have user changeable settings been Checked _ Not necessary settings reset to the default values ROM ROM version Checked L Not necessary version Shipment Has the ribbon been removed Checked Not necessary Have all relevant parts been included Checked Not necessary in the shipment 3 2 Rev A FX 2170 Service Manual Disassembly and Assembly 3 1 4 Specifications for Screws Table 3 4 lists the abbreviations used in the following sections for small parts such as screws and washers Table 3 4 Screw Types and Abbreviations Cross recessed pan head S tight screw Cross recessed bind head B tight screw Cross recessed bind head S tight screw Cross recessed bind head N tight screw Cross recessed bind head C Lamitite screw Cross recessed bind head A lamitite screw Cross recessed bind head with outside toothed lock washer Cross recessed head B tight with Notch f M I f i C lamitite 0 A lamitite Wi HI N Figure 3 1 Screw Types and Abbreviations Rev A 3 3 Disassembly and Assembly FX 2170 Service Manual 3 2 PRINTER DISASSEMBLY AND ASSEMBLY This section describes procedures for disassembling and assembling the main components of the printer When t
114. nual Appendix Table A 5 Connector Pin aa CN6 E ERE Signal Name GND Signal GND Table A 6 Connector Pin Assignments CN7 E TOP paper end signal Signal GND 5 VDC line 5 VDC line Table A 7 Connector Pin Assignments CN8 Signal Name Function Not connected Head data 1 Head data 9 Head data 13 Head data 7 35 VDC line Not connected Head data 18 35 VDC line Head data 12 35 VDC line 35 VDC line Not connected Head data 6 Head data 10 Head temperature signal 5 VDC line Not connected Rev 7 Appendix A 8 Signal RELEASE1 GND RELEASE2 GND FX 2170 Service Manual Table A 8 Connector Pin Assignments CN9 Function Head data 3 Not connected Head data 15 35 VDC line Head data 2 35 VDC line Head data 5 Head data 16 Head data 11 35 VDC line Head data 17 35 VDC line Not connected Head data 14 Head data 4 Head data 8 PF motor phase A PF motor phase B PF motor phase A PF motor phase B Function CR motor phase A CR motor phase CR motor phase B CR motor phase B CR motor common Release sensor 1 signal Signal GND Release sensor 2 signal Signal GND Table A 12 Connector Pin Assignments CN13 Platen gap sensor 1 signal Signal GND Platen gap sensor 2 signal Signal GND Rev A FX 2170 Service Manual Appendix Table A 13 Connector Pin Assign
115. nual Product Description 1 3 2 2 Parallel Interface Reverse Channel Transmission mode IEEE P1284 nibble mode Adaptable connector 57 30360 Amphenol or equivalent Synchronization Refer to the IEEE P1284 Specification Handshaking Refer to the IEEE P1284 Specification Signal level TTL compatible IEEE P1284 level 1 device Data transmission timing Refer to the specification Table 1 33 Pin Assignments for Reverse Channel ie In Out Function Description T HostClk Host clock signal DATA1 Parallel input data to the printer bit 0 LSB DATA2 bit 1 DATA3 bit 2 DATA4 bit 3 5 bit 4 DATA6 bit 5 DATA7 bit 6 AIL NIL on BR Ww NY DATA8 bit 7 MSB PtrCIk Printer clock signal PtrBusy Printer busy signal and reverse channel transfer of data DataBit 3 7 bits 3 or 7 AckDataReg Acknowledge data request signal and reverse channel DataBit 2 6 transfer of data bits 2 or 6 Xflag X flag signal and reverse channel transfer of data bits 1 DataBit 1 5 or 5 HostBusy Host busy signal INIT Not used DataAvail Data available signal and reverse channel transfer of DataBit 0 4 data bits 0 or 4 1284 Active 1284 active signal Logic H This line is pulled up to 5 V through 3 3K resistor 5 V This line is pulled up to 5 V through 3 3K Q resistor Chassis Chassis GND GND Signal GND NC
116. o Adjust T button pressed The printer micro feeds paper forward Micro Adjust 4 button pressed The printer micro feeds paper backward Release lever set to the tractor position The beeper sounds Front paper end sensor detects that paper was loaded in the rear paper path The beeper sounds Printer status Front PE sensor detects that paper is loaded in the rear paper path The release lever position is set to Friction Table 1 39 Paper Handling Sequence 6 Trigger Result Pause button pressed Printer goes on or off line LF FF button pressed Printer performs a line feed LF FF button held down continuously Paper is ejected forward after the line feed LF FF button pressed and paper advanced more than the logical paper length The paper is ejected forward Load Eject button pressed The paper is ejected forward Micro Adjust T button pressed The printer micro feeds paper forward Micro Adjust J button pressed The printer micro feeds paper backward Release lever set to tractor position The beeper sounds Front paper end sensor detects that paper was loaded on the rear paper path The beeper sounds Rev A 1 27 Product Description FX 2170 Service Manual 1 3 4 Paper Width PW Sensor Operation The PW sensor is mounted on the ribbon mask holder to measure the paper width and detect the top edge of the
117. oads this image data to the image buffer in RAM Transfers the image data to the printhead drive circuit Controls the functions below Controls output data from the internal block e Memory management e Address latch of the address data bus from the CPU e Clock control unit Bit manipulation e Interface control Expanded parallel port e Printhead control Motor control Gate Array An electrically writable and erasable ROM used to hold such information as the TOF position and bidirectional adjustment value EEPROM The ROM contains the program that runs the CPU and holds the character design also called the character generator RAM The RAM contains the CPU working area and the buffers SLA7024M Drive circuit for the CR motor UDN2917EB Drive circuit for the PF motor ROM Rev A 2 23 Operating Principles FX 2170 Service Manual 2 3 2 System Reset Circuit Control circuits IC1 and IC2 are initialized when a RESET signal LOW level is output from port 1 VOUT of IC10 IC10 monitors the 5 V line on port 3 and resets under the following conditions IC2 05813 45V A RESET 61 R47 1K IC1 TPM96C041AF 1 10 575920 5V VOUT 1 MRES 2 VCC 3 GND 4 23 RESET L c16 010 Figure 2 32 Reset Circuit 1 When the power supply is turned on a RESET signal is output RESET is canceled w
118. on xS uoti ERR owe oH E ERE a 1 31 1 4 5 Self test Function a Seb Shoe Som Mf abdo Bos d 1 32 1 4 6 Hexadecimal Dump Function 1 32 1 4 7 Default Setting Function 1 33 1 4 8 EEPROM Clear Function sons imi ed santa Beene 1 33 1 4 9 Bidirectional Adjustment 1 34 1 5 Initialization 1 34 1 5 1 Software 1 34 1 5 2 Operation 1 34 1 5 3 Power On 1 34 1 6 MAIN COMPONENTS 1 35 1 6 1 C166 MAIN Board Assembly 1 36 1 6 2 C166 PSB PSE Board Assembly 1 36 1 6 3 C165 PNL Board Assembly 1 37 1 6 4 Printer Mechanism redar ERREUR ee es 1 37 1 6 5 HOUSING Assembly ea ava antt qw A Roa A ara 1 38 List of Figures Figure 1 1 Exterior View of the FX 2170 1 2 Figure 1 2 Pin Configuration 1 4 Figure 1 3 Printable Area for Cut 1 9 Figure 1 4 Printable Area for Envelopes and Card Stock 1 11 Figure 1 5 Printable Area for Continuous Paper
119. on while turning on the printer puts the printer in bidirectional adjustment mode In this mode you can adjust the bidirectional alignment for the following three modes 1 High speed draft mode 2 Draft mode 3 LQ mode For instructions on performing the adjustment see Chapter 4 1 5 Initialization 1 5 1 Software Initialization This initialization is activated by the control code ES This initialization O Clears unprinted data O Resets the printer s setting defaults 1 5 2 Operation Initialization This initialization is activated by receipt of the INIT signal negative pulse This initialization O Clears the buffer of all data Cancels download character definition Puts the printer in standby state if no errors occur Executes software initialization 1 5 3 Power On Initialization This initialization is activated by power on or by a cold reset command remote RS command This initialization J Initializes the printer mechanism O Executes operation initialization 1 34 Rev A FX 2170 Service Manual Product Description 1 6 MAIN COMPONENTS The main components of the FX 2170 are designed for easy removal and repair main components are O C166 MAIN Board Assembly O C166 PSB PSE Board Assembly 120 V 230 V O C165 PNL Board Assembly Printer Mechanism O Housing Assembly The following figure shows the main components of the FX 2170 The Figure 1 12 Main
120. onal print alignment See Chapter 4 Rachet RD Combination Spring 7 g 23 g Driven Pulley Assembly 027 5 Spur Gear 11 mm Figure 3 29 Engaging Gears for the RD Assembly 3 20 Rev A FX 2170 Service Manual Disassembly and Assembly 3 2 10 7 Removing the CR Assembly 1 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 Remove the printer mechanism see Section 3 2 10 Remove the left frame assembly see Section 3 2 10 5 and RD assembly see Section 3 2 10 6 a KR WY N Disconnect 3 FFCs from the printhead and PW sensor assembly PW Sensor Assembly CB Screw 2 x 5 F Zn Figure 3 30 Disconnecting the FFCs 6 Disengage the timing belt from the CR motor pinion gear Remove the CR assembly from the rear front CR guide shaft Figure 3 31 Removing the CR Assembly 8 Remove the timing belt from the 2 holding slots under CR assembly 9 Remove the CR assembly ssembly Note Adjust the platen gap and the bidirectional print alignment Refer to Chapter 4 Rev A 3 21 Disassembly and Assembly FX 2170 Service Manual ssembly Notes Insert the timing belt properly into the 2 holding slots at the bottom of the CR assembly Take up the timing belt slack between the two slots comple
121. opy 2 0 23 0 46 4 Open Open Copy 2 0 26 0 52 5 Open Open Copy 2 Card Stock 0 22 3 Open Closed Copy 2 Rev A 2 3 Operating Principles FX 2170 Service Manual 2 1 4 Paper Handling Mechanisms During the normal operation paper is fed to the printer advanced to the specified position and ejected from the printer These paper handling operations are performed by various paper handling mechanisms such as tractors platens rollers and gears This section describes the printer s paper handling mechanisms 2 1 4 1 Release Lever The release lever is used to select friction for rear front tractor feed or to release the paper for pull tractor feed Changing the release lever position moves the paper guide rollers and the new lever position is detected by 2 release switch sensors RLSW1 and RLSW2 See the following table Table 2 3 Release Lever Position Release Lever Position Status of Paper Guide Rollers RL SW 1 RLSW2 Friction mode The paper guide rollers are pressed against the platen Open Open Front push tractor The paper guide rollers are mode separated from the platen Open Rear push tractor The paper guide rollers are Closed Open mode separated from the platen Pull tractor mode The paper guide rollers and the rollers for the lower paper guide Closed Closed are separated from each position Platen Left Frame a m b J N e d Re
122. ottom of the cutout Figure 3 20 Mounting the Cables for the PG Sensor Assembly Rev A 3 15 Disassembly and Assembly FX 2170 Service Manual 3 2 10 3 Removing the Right Frame Assembly 1 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover see Section 3 2 1 2 Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 3 Remove the printer mechanism see Section 3 2 10 CR motor assembly see Section 3 2 9 PF motor see Section 3 2 10 1 and PG sensor assembly see Section 3 2 10 2 4 Remove the hexagon nut standard M4 securing the gap adjust lever Then remove the gap adjust lever from the right frame assembly 5 Remove 2 CBS screws 3 x 6 F Zn securing the platen cover 6 Remove 3 CBS screws 3 x 6 F Zn securing the right frame assembly at the positions illustrated CBS Screw 3 x6 Securing the Right Frame Assembly Figure 3 21 Removing the Right Frame Assembly 7 Remove the right frame assembly ssembly Notes Adjust the platen gap and bidirectional print alignment Refer to Chapter 4 3 2 10 4 Disassembling the Right Frame Assembly 1 Remove I CBS screw 3 x 6 F Zn and 1 CBS screw 3 x 8 F Zn securing the right sub frame The bold line in the illustration is the right sub frame Right Sub Frame rs CBS Screw 3 X6 FZ n CBS Screw 3 x 8
123. paper However in cases where print data is over the paper width the image cut function does not operate in all modes This section describes when the image cut function is operational as shown in the following table Table 1 40 PW Sensor Operation Paper Path Paper Width Measurement Image Cut Function Friction Measured Executed Only Copy Mode 2 Push Tractor Rear Front Measured Not Executed 1 Pull Tractor Measured Not Executed 1 The measured paper width value is used to estimate the printhead centering position When narrow continuous paper fewer than 30 columns is loaded the printer changes the centering position to the proper position based on the measured paper width 1 28 Rev A FX 2170 Service Manual Product Description 1 4 Operating Instructions This section provides detailed information about the FX 2170 control panel buttons and LEDs 1 4 1 Control Panel Operations The printer control panel contains 6 non lock type pushbuttons and 9 LEDs for various printer functions The exterior view of the control panel is shown in the following figure Tear Off Bin Paper Out Operate Micro Adjust tm 3sec DA LF FF Load Eject
124. puts the printer in hexadecimal dump mode In this mode data received is printed out in hexadecimal format along with the corresponding ASCII characters The function is useful to check data received from the host If a received code is not a printable ASCII character the printer prints a period in the ASCII column When received data remains in the buffer that data is printed by pressing the Pause button Hex Dump 40 iB 28 47 Ol OO 01 1B 28 55 01 OO 1B 55 ula Ga 01 1B 28 43 OZ OO 70 10 1B 28 63 04 OO OO 70 10 1B 2B 30 1B 14 14 18 CO OS 81 OO 81 PERO PPP bannun 81 00 81 OO 81 00 81 OO 81 OO 81 OO 81 OO 81 OO wsunsaununuenuuuua 81 00 81 00 81 00 81 00 81 00 81 OO B1 OO 81 OO 81 00 81 OO 81 OO 81 OO 81 OO 81 OO 81 OO 81 OO 81 81 91 OO O3 OF 80 00 O2 EO OO nuuuuu EO FA OO 02 70 OO 5 F8 OO O2 EO 01 CO C3 OO OE Aree Pes Panda bL fY7 Een AN En En m7 coc 9 0 x Figure 1 11 Hexadecimal Printout 1 32 Rev A FX 2170 Service Manual Product Description 1 4 7 Default Setting Function Pressing the Pitch button while turning on the printer puts the printer in default setting mode Some default printer settings can be changed in this operation The method for setting defaults is described in the instruction sheet
125. rinter has two PE paper end sensors The front PE sensor is located in front of the printer mechanism The rear PE sensor is located behind the printer mechanism Refer to the following figure Paper Eject Drive Roller Printhead Paper Eject Assembly Platen Platen Cover Middle Paper Guide 4 EE e A X Rear PE Sensor Rear Driven PF Roller Front Driven PF Roller Lower Driven PF Roller Paper Drive Roller Front Paper Guide Front PE Sensor Figure 2 11 Paper Paths and PE Sensor Locations 1 Top Entrance Figure 2 12 shows the paper path for friction feed using the top entrance The top entrance is only used with the friction feed method When the top entrance is used the rear PE sensor detects when the paper is out Figure 2 12 Friction Feeding Using the Top Entrance Rev A 2 11 Operating Principles FX 2170 Service Manual 2 Rear Entrance Figures 2 13 2 14 and 2 15 show the paper paths for tractor feeding using the rear entrance You can use the rear entrance with any of the following paper feed methods push tractor feed pull tractor feed or push pull tractor feed When you use the rear entrance the rear PE sensor detects when paper is out Figure 2 14 Pull Tractor Feeding Using the Rear Entrance As shown above in Figure 2 14 when you use the pull tractor in this printer you must remove the paper eject cover which includ
126. s which are printed out immediately after you enter the mode You are asked to use three buttons Font Pitch and Tear Off Bir and watch six LEDs Pitch 3 LEDs Tear Off Bin 2 LEDs and Pause 1 LED on the control panel Refer the instructions printed in default setting mode for the actual method used to set defaults 1 4 8 EEPROM Clear Function Pressing the Font and Tear Off Bin buttons while turning on the printer resets the EEPROM to the standard factory settings This operation initializes the items below to the factory settings in the right hand column Table 1 45 EEPROM Initialization Settings Font Roman Pitch 10 CPI Character Table PC437 Page Format Page Length 11 inches Tractor Rear Front TOF Position 8 5 mm 0 333 inches Bottom Margin 11 inches Page Format Page Length 22 inch Friction CSF Bin 1 Bin 2 TOF Position 8 5 mm 0 333 inch Manual Feed Rear Front Bottom Margin 22 inches Print Direction Bi d Auto LF Off Auto Tear Off Off 1 inch Skip High Speed Draft Input Buffer BDC ST Reply I F Selection Auto I F Mode Auto I F Wait Time 10 sec Software ESC P Slashed Zero Buzzer Auto CR IBM Mode Adjust Tear Off Position 0 inch Paper Conditions Friction Bin 1 Tractor Tear Off Status Off Rev A 1 33 Product Description FX 2170 Service Manual 1 4 9 Bidirectional Adjustment Function Pressing the Pause butt
127. s 0 22 mm 0 0087 0 22 mm 0 0087 192 g m 51 Ib Weight 192 g m 51 Ib Quality Plain paper recycled paper Not curled folded or crumpled Plain paper recycled paper Not curled folded or crumpled n Printing on card stock is available only at normal temperatures and humidity 3t When the longer side of an card is to be inserted horizontally insert it from the rear entrance 1 10 Rev A FX 2170 Service Manual Product Description The figure below shows the printable area for envelopes and card stock Printable area Each abbreviation is defined in the following table Table 1 13 Printable Area for Envelopes and Card Stock Abbreviations Envelopes Card Stock PW width Refer to Table 1 11 Refer to Table 1 12 PL length Refer to Table 1 11 Refer to Table 1 12 LM left margin 3 mm 0 12 or more 3 mm 0 12 or more 3 mm 0 12 or more 3 mm 0 12 or more right margin TM top margin 4 2 mm 0 17 or more 4 2 mm 0 17 or more BM bottom margin 4 2 mm 0 17 or more 4 2 mm 0 17 or more gt E TM PL Y Figure 1 4 Printable Area for Envelopes and Card Stock Rev A Product Description FX 2170 Service Manual Continuous Paper Paper media specifications The following table gives specifications continuous paper Table 1 14 Specifications
128. s primary circuitry remains live even after the power switch is turned off Never touch primary parts of the the power supply unit including the heat sink while the power supply cable is connected to the AC power socket 197 48 MIO To maintain efficient printer operation Use only recommended tools for maintenance work Use only recommended lubricants and adhesives see Chapter 6 Adjust the printer only in the manner described in this manual 3 1 2 Tools Tables 3 1 and 3 2 list the tools recommended for disassembling assembling or adjusting the printer Use only tools that meet these specifications Table 3 1 Recommended Tools Round nose pliers B740400100 Nippers B740500100 Tweezers B741000100 Soldering iron B740200100 E ring holder 2 5 B740800400 Phillips screwdriver No 2 B743800200 Standard screwdriver B743000100 Thickness gauge B776702201 Note All tools are commercially available Table 3 2 Equipment Required for Maintenance Description Specification Multimeter Oscilloscope 50 MHz Note oscilloscope is required only for servicers who repair to the component level Rev A 3 1 Disassembly and Assembly FX 2170 Service Manual 3 1 3 Service Checks After Repair Before returning the printer after service use the check list in Table 3 3 which provides a record to make servicing and shipping more efficient Table 3 3 Inspe
129. sembly Remove the PF motor from the right sub frame CBS Sais 3 x 6 F Zn Figure 3 18 Removing the PF Motor Assembly Note Before attaching the PF motor to the proper position on the right sub frame set the release lever to the full release position The CB screw 3 x 8 FZ n is used to secure the upper part of the PF motor The CBS screw 3 x 6 FZ n is used to secure the lower part of the PF motor The tightening torque for the CB and CBS screws 3 x 8 F Zn 0 78 0 98 Nm 8 10 Kg 3 14 Rev A FX 2170 Service Manual Disassembly and Assembly 3 2 10 2 Removing the PG Sensor Assembly 1 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover see Section 3 2 1 2 Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 Remove the printer mechanism see Section 3 2 10 4 Remove the hexagon nut standard M4 securing the PG sensor assembly to the right frame assembly C Hexagon Nut Standard M4 Figure 3 19 Removing the PG Sensor Assembly ssembly Notes The tightening torque for the hexagon nut standard M4 1 18 1 37 Nm 12 14 Kg f When the sensors are mounted to the PG sensor holder be sure to mount the white connector s sensor in the upper position as shown in the following figure When securing the shaft push the front CR guide shaft to the b
130. sensor as shown in the following figure The tightening torque for the CBS screw 3 x 6 F Zn 0 78 0 98 Nm 8 10 Kg f The tightening torque for the hexagon nut standard M4 1 18 1 37 Nm 12 14 Kg f Adjust the platen gap and bidirectional print alignment Refer to Chapter 4 Left Frame Assembly Release SW1 Release SW2 White connector Black Connector Figure 3 27 Cable Connections for the Release Lever Sensors Rev A 3 19 Disassembly and Assembly FX 2170 Service Manual 3 2 10 6 Removing the Ribbon Drive RD Assembly 1 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover see Section 3 2 1 Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 Remove the printer mechanism see Section 3 2 10 Remove the left frame assembly see Section 3 2 10 5 Remove 2 CBS screws 3 x 8 F Zn securing the RD assembly to the front frame Remove the RD assembly from the front frame KR YW N Remove the timing belt from the RD assembly Driven Pully Assembly RD Assembly Figure 3 28 Removing the RD Assembly ssembly Notes Notice how the gears in the RD assembly are engaged Refer to the following figure The tightening torque for the CBS screw 3 x 8 F Zn 0 78 0 98 N m 8 10 Kg cm Adjust the platen gap and perform the bidirecti
131. settings program and TPE top paper end level rewrite The diskette also includes 4 check programs continuous form paper A3 cut sheets A4 cut sheets and envelopes 3 2 This factory settings program includes several factory setting items Using this program sets the printer to the destination factory settings Rev A 4 1 Adjustment FX 2170 Service Manual 4 2 ADJUSTING AND RESETTING THE PRINTER 4 2 1 Platen Gap Adjustment If you have rotated or reassembled the rear CR guide shaft or parallelism adjustment bushing or if printing is light or dark even at the proper PG lever position perform this adjustment at 3 positions the 5th 80th and 130th columns 1 Remove the printhead from the CR assembly see Section 3 2 3 2 Remove the ribbon mask from the ribbon mask holder using tweezers as shown in the figure Ribbon Mask Ribbon Mask Holder Figure 4 1 Removing the Ribbon Mask Attach the printhead to the CR assembly again tightening the 2 CBS screws 3 x 10 F Zn Move the printhead to 5th column position Set the release lever to the FRICTION position unb 9 Set the PG adjust lever to the second slot from rear of the printer mechanism as shown in the following illustration 7 Loosen the hexagon nut standard M4 securing the PG adjust lever while setting the PG adjust lever to the second slot position from the rear of the printer mechanism zn fey
132. sheets Card stock 50 sheets Multipart paper 40 sheets 1 Plain paper weight 82 g m 22 lb or recycled paper except for A3 size paper 2 Plain paper weight 82 g m 22 Ib or recycled paper A3 paper 3 Plain paper weight 64 g m 17 Ib except for paper 4 Plain paper weight 64 g m 17 Ib paper 5 Envelopes weight 91 g m7 24 Ib 6 Envelopes weight 45 g m7 12 Ib 7 Card stock weight 192 g m 51 Ib thickness 0 22 mm 0 0087 8 1 original 5 copies thickness 0 36 mm 0 0142 1 18 Rev A FX 2170 Service Manual Product Description Stacker capacity Table 1 28 Capacity of the Stacker Single sheets 140 sheets 100 sheets Envelopes 15 sheets 28 sheets Card stock 30 sheets Multipart 36 sheets 1 Single sheets weight 82 g m 22 Ib except for A3 paper 2 Single sheets weight 82 g m 22 Ib A3 paper 3 Envelopes weight 91 g m 24 Ib 4 Envelopes weight 45 g m7 12 Ib 5 Card stock weight 192 g m 51 Ib thickness 0 22 mm 0 0087 6 1 original 5 copies thickness 0 36 mm 0 0142 Reliability MCBF 2x10 cycles Environmental conditions Table 1 29 Environmental Conditions EE Operating Non Operating Temperature 5 to 35 C 41 to 95 F 30 to 60 C 22 to 140 F Humidity 15 to 8096 RH 1 3 30 to 605 2 5 4 5 to 85 RH t 3
133. surface of the CR shaft Connect CN4 correctly Is the problem corrected YES NO Replace the Replace C166 MAIN the CR board motor No Is the adjusted Adjust the gap properly properly Refer to Chapter 4 Is the problem YES corrected See Table 5 3 YES NO Replace the C166 MAIN board Rev A CN11 correctly Is the problem corrected YES Replace the CR motor Is the problem corrected YES Figure 5 2 Flowchart 1 7 5 5 Troubleshooting FX 2170 Service Manual 2 Abnormal Paper Feed Operation 1 START Does the PF motor NO connected Connect it rotate correctly correctly YES Is the problem corrected the printer is powered on is paper ejected automatically Go to flowchart 2 1 Is the resistance of the PF motor coils correct Replace the PF motor YES After paper is ejected does the printer indicate Ready After paper is ejected does the printer indicate Paper Out Is the problem corrected NO Replace the C166 MAIN board Are CN5 and CNN NO Connect them connected correctly correctly
134. te at all CH2 GND 2 alme CH1 5 GND mb eas The PROM is not Check for a change in the signal from Replace IC2 or selected HIGH LOW at pin 137 of IC2 replace the main board GND TT CH1 1V bHHPLE Sak The PSRAM 5 Check for a change in the signal from Replace IC2 or HIGH LOW at pin 132 of the IC replace the main board 5 12 Rev A FX 2170 Service Manual Troubleshooting Table 5 7 Repairing the C166 MAIN Board Assembly Problem Checkpoint Solution Check the oscillator signal at pins 26 If the signal is not or 27 of the CRU1 correct replace IC1 or replace the main board Otherwise replace CRU1 The printer does not CRUI is defective operate at all IC11 or IC1 is Check input signal waveform CH1 If the input signal defective at pins 6 5 17 and 16 of IC1 is not correct Check output signal waveform CH2 replace IC1 or at pins 8 1 18 and 11 of IC12 replace the main board If the output signal is not correct replace IC12 Carriage operation is abnormal IC2 is defective Check the output signal at pins 65 64 If there is no 63 62 of IC2 output signal replace IC2 Rev A 5 13 Troubleshooting FX 2170 Service Manual Table 5 7 Repairing the C166 MAIN Board Assembly Problem
135. tely as shown in the following figure Insert the 2 oil pads into the proper positions in the CR assembly as shown If you remove the rear CR guide shaft along with the CR assembly be sure to reinstall the rear CR guide shaft in the printer mechanism The rear CR guide shaft has been drilled through the shaft near the right edge and one side of the hole has a chamfered edge This edge should be up CR Assembly a Timing Belt Figure 3 32 Inserting the Timing Belt Oil Pads Chamfered hole Figure 3 34 Assembling the Rear CR Guide Shaft 3 22 Rev A FX 2170 Service Manual Disassembly and Assembly 3 2 10 8 Removing the Rear PE Sensor Assembly 1 6 Remove the rear front edge guide assembly front cover paper eject assembly rear front tractor unit and printer cover Remove the panel board see Section 3 2 2 and upper housing assemblies see Section 3 2 7 Remove the printer mechanism see Section 3 2 10 Turn the printer mechanism over and insert a standard screwdriver or other prying tool into hole in the rear frame shown in the figure Release 2 clips while pushing up the rear PE sensor with the screwdriver or other prying tool Rear PE Sensor Assembly 2 Clips Figure 3 35 Removing the Rear PE Sensor Assembly Remove the rear PE sensor after disconnecting the connector 3 2
136. the black arrow the tractor gear rotates in the direction of the black arrow and thus feeds paper into the printer Paper is advanced by the platen and paper tension roller which are also driven by the PF motor through the gear train When the push tractor method is used with the front entrance the torque generated by the PF motor is transmitted to the push tractor gear through the PF motor pinion gear paper advance reduction gear platen gear and gear train in the front part of the printer When the PF motor pinion gear turns in the direction of the black arrow the tractor gear rotates in the direction of the black arrow and thus feeds paper into the printer Paper is advanced by the paper drive roller and platen which are also driven by the PF motor through the gear train In the push tractor method the release lever is set to one of the tractor positions to release the pressure between the paper guide roller and the platen Figure 2 6 illustrates push tractor operation when paper is fed through the rear paper entrance Figure 2 7 illustrates push tractor operation when the paper is fed through the front paper entrance Figure 2 6 Push Tractor Operation Using the Rear Paper Entrance 2 6 Rev A Operating Principles FX 2170 Service Manual Figure 2 7 Push Tractor Operation Using the Front Paper Entrance 2 7 Rev A Operating Principles FX 2170 Service Manual 3 Pull Tractor Method The pull tractor advances paper in bas
137. the paper eject assembly cover to the CSF unit pay attention to the position of 2 pieces of thin plastic film glued on the reverse side of the paper eject assembly cover as shown in the following figure Thin Plastic Film Figure 3 49 Assembling the Paper Eject Assembly Cover 3 30 Rev A FX 2170 Service Manual Disassembly and Assembly 3 4 Disassembly and Assembly of CSF Bin 2 3 4 1 Disassembling the Right Side Block 1 Remove the gear train cover by releasing the 4 clips shown in the following figure Gear Trin Cover Figure 3 50 Removing the Gear Train Cover 2 Remove the following 5 gears and 1 spring from the right CSF frame ssembly Note Pay attention how the 5 gears are engaged Refer to the following figure Combination Gear 25 mm 11mm CSF Planetary Lever Assembly CSF Transmission Gauge White Gear 22mm Spring Plain Washer Gear 22mm Figure 3 51 Engaging 5 Gears Rev A 3 31 Disassembly and Assembly FX 2170 Service Manual 3 4 2 Disassembling the Paper Support Block Assembly 1 Remove 1 E ring fixing the paper feed roller shaft to the right CSF frame 2 Remove 2 CTBS 3 x 8 screws securing the paper support shaft to both right and left CSF frames E ring CTPB Screw 3x8 Figure 3 52 Removing 1 E ring and 2 CTBS Screws 3 Remove both paper support assemblies along with the paper feed roller shaft and paper support shaft 4 Remove the paper f
138. tton is held down more than 3 seconds to put the printer in micro adjust mode Adjustable area Micro adjust positions can be set within the following range from the top edge of the page 3mm 8 5 mm 8 5 mm 2 87 9 mm 0 12 0 33 0 33 11 34 1 4 4 Tear Off Function The tear off function advances continuous paper to the tear off position when the Tear Off Bin button is pressed There are two modes for this function auto tear off and manual tear off The tear off mode can be selected in the default setting mode After the paper is torn off at the perforation it is fed back to the TOF position when any new print data is sent to the printer The tear off position is saved in the EEPROM and if the printer is turned off the setting is not cleared Conditions required for the adjustment Auto tear off function Auto tear off has been set to ON in default setting mode CJ The release lever has been set to Tractor O The data buffer is empty and the printer is on line More than 3 seconds have passed after the host computer finished transferring print data MA Manual tear off function CJ Auto tear off has been set to OFF in default setting mode CJ The release lever has been set to Tractor The data buffer is empty and the printer is on line the printer is off line O The Tear Off button was pressed under all the conditions listed above Paper handling with the tear off position O Pressing the Paus
139. ulse length of the head drive signal Rev A 2 27 Disassembly and Assembly Table of Contents 3 1 OVERVIEW 3 1 Set At PRC CAUMOM RE ER a 3 1 ete pi ee eate D SEES Exec dicatus 3 1 3 1 3 Service Checks After Repair 3 2 3 1 4 Specifications for SCIBWS xo mn om dort cor ptor AD wed 3 3 3 2 PRINTER DISASSEMBLY AND ASSEMBLY 3 4 3 2 1 Before Starting Disassembly Procedures 3 5 3 2 2 Removing the Panel Board Assembly 3 6 3 2 3 Removing the 3 7 3 2 4 Removing the 5 3 8 3 2 5 Removing the PW Sensor Assembly 3 8 3 2 6 Removing the Platen 3 10 3 2 7 Removing the Upper Housing Assembly 3 11 3 2 8 Removing the Case Open Sensor Assembly 3 12 3 2 9 Removing the CR Motor Assembly 3 12 3 2 10 Removing the Printer Mechanism 3 13 3 2 10 1 Removing the PF Motor 3 14 3 2 10 2 Removing the PG Sensor Assembly 3 15 3 2 10 3 Removing the Right Frame Assembly 3 16 3 2 10 4 Disassembling the Right Frame Assembly
140. which causes the wire to move in and out of the printhead to print each dot The four steps below describe how these driving wires work 1 A drive signal transmitted from the control circuit to the printhead drive circuit is converted to the proper printhead driving voltage which energizes a corresponding coil The energized coil then causes the iron core to become magnetized 2 The magnetic force draws the actuating plate toward the core and the dot wire which is connected to the core rushes toward the platen 3 When the dot wire impacts the platen pressing against the ribbon and paper it prints a dot When the driving voltage stops energizing the coil the magnetic force from the iron core vanishes The actuating plate returns to its original position the position before coil was energized with spring action The dot wire also returns to its original position This is the sequence used to print a single dot The mechanism is equipped with a built in thermistor for head temperature detection The temperature detected by the thermistor is converted to an electric signal and fed back to the control circuit The printhead is also used as a beeper Head driving coils move all the dot wires back and forth at a frequency of 1 5K Hz for 75 5 usec without impacting the platen so that the wires vibrate The vibrating dot wires create the sound used for beep codes Wire Resetting Spring Ribbon Ribbon Mask ae ec E core Platen
141. x A 5 CIRCUIT BOARD COMPONENT LAYOUTS Figure A 5 C166 MAIN Baord Assembly Component Layout Rev A A 17 Appendix FX 2170 Service Manual Figure A 6 C166 PSB Board Assembly Component Layout A 18 Rev A FX 2170 Service Manual Appendix Figure A 7 C166 PSE Board Assembly Component Layout Rev A A 19 Appendix FX 2170 Service Manual A 6 EXPLODED DIAGRAMS Figure A 8 FX 2170 Exploded Diagrams 1 A 20 Rev A FX 2170 Service Manual Appendix Figure A 9 FX 2170 Exploded Diagrams 2 Rev A A 21 Appendix FX 2170 Service Manual Figure A 10 FX 2170 Exploded Diagrams 3 A 22 Rev A FX 2170 Service Manual Appendix Figure A 11 C S F Bin1 Exploded Diagrams 1 Rev A A 23 Appendix FX 2170 Service Manual Figure A 12 C S F Bin1 Exploded Diagrams 2 A 24 Rev A FX 2170 Service Manual Appendix Figure A 13 C S F Bin2 Exploded Diagrams Rev A A 25 Appendix FX 2170 Service Manual A 26 Rev A EPSON
142. ximum 0 9 A Power consumption Approx 60 W self test in draft mode at 10 cpi Insulation resistance 10 MQ min between AC line and chassis 500 VDC Dielectric strength 1500 VAC rms 1 min between AC line and chassis Rev A FX 2170 Service Manual Product Description 1 2 7 Environmental Conditions Table 1 22 explains the conditions the printer requires during operation and when not operating Table 1 22 Environmental Requirements Temperature 5 to 35 C 41 to 95 F operating 1 15 to 25 C 59 to 77 F operating 1 2 30 to 60 C 22 to 140 F non operating Humidity 10 to 80 RH operating 1 30 to 60 RH operating 1 2 to 85 RH non operating 1 Resistance to shock 1 G within 1 ms operating 2 G within 2 ms non operating 3 Resistance to vibration 0 25 G 10 to 55 Hz operating 0 50 G 10 to 55 Hz non operating 3 1 Without condensation Ma 2 During printing on multipart paper envelopes card stock or labels 3 In shipment container 1 2 8 Reliability Table 1 23 gives maximum life and usage specifications Table 1 23 Reliability Statistics Total print volume 7 5 million lines except printhead MTBF 6000 power on hours POH Printhead life 400 million strokes wire Ribbon life 8 million characters 1 2 9 Safety Approvals Table 1 24 provides information about the safety approvals the printer

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