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Sharp FO-4500, Service Manual

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Sharp FO-4500 Service Manual Download Page 85

19

Fusing roller and Thermostat

Fig. 19

1. Remove the Upper Fusing Roller drive gear

2. Remove the Upper Fusing Roller.

•

When reinstalling the Roller, be careful not to damage the Roller
surface by the unit frame.

NOTE:

3. Take out the Lower Fusing Roller.

4. Remove the Thermostat (S3). (2 screws)

FO-4500H

3 – 28

Summary of Contents for FO-4500

Page 1: ...to the skin but when an exact focusing of the laser beam is achieved on the eyes retina there is danger of spot damage to the retina The following cautions must be observed to avoid exposure of the laser beam to your eyes at the time of servicing 1 When a problem in the laser optical unit has occurred the whole optical unit must be exchanged as a unit not an individual part 2 Do not look into the ...

Page 2: ... diagram and connector signal name 4 3 CHAPTER 5 CIRCUIT DESCRIPTION 1 Circuit description 5 1 2 Circuit description of control PWB 5 1 3 Circuit description of TEL LIU PWB 5 19 4 Circuit description of CCD PWB 5 22 5 Circuit description of operation PWB 5 22 6 Circuit description of power supply PWB 5 23 CHAPTER 6 CIRCUIT SCHEMATICS AND PARTS LAYOUT 1 Control PWB circuit 6 1 2 TEL LIU PWB circuit...

Page 3: ...opy Sort copy 99 copies page Halftone gray scale 64 levels Noise emission Less than 70 dBA Measured accord ing to DIN 45635 Power requirements 230 V AC 50 Hz Operating environment 10 30 C 20 to 85 RH Power consumption Stand by 11 W Maximum 550 W Dimensions Width 351 mm Depth 582 mm Height 349 mm Weight Approx 18 5 kg PRINTER SECTION Type Desktop Laser Beam Printer Print system Electrostatic Dry Po...

Page 4: ...is lights when the fax machine or other device sharing the same line is using the telephone line 1 2 3 4 5 6 7 8 9 0 ABC GHI DEF FUNCTION COPY REPORT DOCUMENT BROADCAST STOP START PRIORITY SPEED DIAL REDIAL SPEAKER JKL MNO PQRS TUV WXYZ COVER SHEET SPEED DIAL key Press this key to dial a Speed Dial number FUNCTION key Press this key to select various special functions BROADCAST key Press this key ...

Page 5: ...ts UP and DOWN keys Press these keys to adjust the volume of the speaker when the SPEAKER key has been pressed or the volume of the ringer at all other times SEARCH DIAL key Press this key to search by name for a number stored for automatic dialing MEM STATUS key Press this key to check what documents that have been scanned into memory for transmission reception or copying LIFE key Press this key ...

Page 6: ...ing Documents Documents written in yellow greenish yellow or light blue ink cannot be transmitted Ink glue and correcting fluid on documents must be dry before the documents can be transmitted All clips staples and pins must be removed from documents be fore transmission Patched taped documents should be copied first on a copier and then the copies used for transmission All documents should be fan...

Page 7: ...es a high incidence of lightning or power surges we recommend that you install a surge protector for the power and telephone lines Surge protectors can be purchased at most telephone specialty stores TELEPHONE JACK A standard single line telephone jack must be located near the ma chine This is the telephone jack commonly used in most homes and offices Plugging the fax machine into a jack which is ...

Page 8: ...of the cartridge move along the two guides on each side of the compartment Press the handle down so that the cartridge sets into place Place the old toner cartridge if you removed one in the empty toner cartridge bag seal the bag and dispose of it in a way that conforms to any local regulations that may exist in your area 8Close the printer cover 9If you replace the toner cartridge reset the toner...

Page 9: ...abs into the holes in the fax as shown 5Attach the received document tray by inserting the tabs into the holes in the fax as shown 6Insert the male end of the PC interface cable into the port on the right side of fax as shown Tighten the attached screws with a screwdriver 7Insert the female end of the PC interface cable into the serial RS232C port on your computer Tighten the attached screws with ...

Page 10: ...r is not higher than the tabs at the top of the paper guide If it is remove some of the paper 4 Put the cassette back in the fax 5 If desired attach an A4 label to the cassette 6 Rotate the received document tray back Grasp the hand hold on the original document IN tray as shown and open it 7Place the paper in the tray 8Close the original document IN tray 9If desired attach an A4 label to the fax ...

Page 11: ...on the bottom of the inside of the printer cover become very hot during printing Be careful not to touch them 4Gently pull the paper out of the compartment If the leading edge of the paper has entered the fusing unit first pull the leading edge out of the fusing unit then pull the paper out of the compartment Be sure to remove any torn pieced of paper 5Replace the drum cartridge and then the toner...

Page 12: ... screw on each side 7 Installation of the RS232C I F PWB unit FO 45RS 1Open the printer compartment cover and remove the two screws shown Remove the three screws shown on the side of the ma chine 2Open the original document tray and remove the three screws shown 3Remove the paper tray by pulling the front cover out slightly and then pulling the tray out and up as indicated by the arrows 4Remove th...

Page 13: ...e cover inserts into its hole 8Replace the paper tray making sure that the top edge of the side panel fits upward into the groove on the front bottom edge of the tray 9Replace the three screws in the paper tray as shown and then close the paper tray FReplace the five screws as shown GInsert the male end of the PC interface cable into the port on the right side of fax as shown Tighten the attached ...

Page 14: ... OUT tray 2Remove the old ink cartridge from the machine by pressing down and out on the protruding green tab with the tip of a ballpoint pen 3Insert the new cartridge into the machine so that the tab on the side is facing out 4Replace the original document OUT tray FO 4500H 1 12 ...

Page 15: ...solution Priority Number of Rings Auto Reception Number of Rings Manual Reception Auto Listing Transaction Report Print Select Recall Times Recall Interval Security Selection ECM Auto Cover Sheet Memory Scanning Copy Scanning Copy Cut off Receive Reduce Image Memory Print Cassette Selection Cassette Changeover Program Group Mode Program Entry Mode Group Entry Mode Serial Polling Mode Memory Pollin...

Page 16: ...M E M O FO 4500H 1 14 ...

Page 17: ...in the TX motor drive circuit If F1 F2 is open replace it with a new one In addition to the replacement of F1 F2 and F3 the factor causing F1 F2 and F3 to open must also be repaired If not F1 F2 and F3 will open again Replacement parts CCP2E20 Sharp code VHVCCP2E20 1 CCP2E30 Sharp code VHVCCP2E30 1 3 Settings 1 Dial mode selector OPTION SETTING DIAL MODE Soft Switch No SW2 DATA No 1 Use this to se...

Page 18: ...MORY CLEAR START 12 FLASH MEMORY START 13 ALL FAX TEL ENTRY MODE START 14 RS232C CHECK MODE START START 15 16 CONF PASSCODE START 17 PRINT HOLD CODE START 18 MEMORY SET MODE START 19 MOTOR AGING ROM FBG0 FBG1 START DEPT PASSCODE FUNC 9 8 7 Press and the following display will appear ROM XXXXX START Then press the key Select the desired item with the key and the key or select with the rapid key Ent...

Page 19: ... example of the automatic compensation of soft switch to OFF FAX when the power is turned on even if the PC PWB is removed when the optional setting and soft switch mode are set at ON PC Though they are not provided the existing model can operate without setting of the soft switch when it is not installed OFF to ON of multi TTI function and telephone billing code function when the department contr...

Page 20: ...EL CHECK MODE is displayed press the START key The test will be started When the test is started LED s will se quentially come on It is used to check all LED s 2 Press any other key except STOP key At this time the name of each key will be displayed every push of the key 3 However if any key is pressed with the page plate opened it will be equal to a press of key 32 with the page plate opened 4 Fi...

Page 21: ...pt 01 the chain dial is kept as it is set 16th and subsequential letters of the destination name registered in the Rapid No 01 will be discarded 14 RS232C check mode RS232C interface board is checked When the interface board is installed the result will be printed after the check It is not installed the following will be displayed 14 RS232C CHECK MODE I F PWB NOT CONNECT The process will be ended ...

Page 22: ...ed image quality Here the interme diate tone is the same as for the setting value of FINE 22 Dial test mode The mode is used to inspect whether dialing is accurate in two kinds of dial modes All data which can be dialed in this mode are automatically called up in both PB mode and DP mode When this mode is activated the following operations will be automat ically executed Whether the dialed content...

Page 23: ... adjust mode The mode is used to adjust the printing density of the printed image The image printing density is adjustable in six steps of 1 to 6 For details refer to the following table For selection use the keys 1 thru 6 Image printing density Thin Thick 1 2 3 4 5 6 Default value O Rapid key 7 Life set mode The mode is used to set the life counter of the printer and the counter of the auto feede...

Page 24: ...ational state of the printer how many sheets have been printed since start of use and oth ers The ordinary memory does not reset the counter For clearing set 0 in this mode or use the life counter clear mode in Item 3 9 Accordingly it is necessary to reset the counter or do the clear process in addition to the ordinary memory clear if the content in the memory on the control PWB is broken be cause...

Page 25: ... S W 1 1 0 0 0 0 0 0 0 S F T S W 1 1 0 0 0 0 0 0 0 S F T S W 1 1 0 0 0 0 0 0 0 S F T S W 2 0 0 0 0 0 0 0 0 S F T S W 99 0 0 0 0 0 0 0 0 Press key during setting To finish the settings halfway between SW 1 and SW99 press the STOP key In this case the setting being done to the SW No on display will be nullified while settings done to the preceding SW Nos remain in effect The soft switch mode is term...

Page 26: ... 4 eg Number of rings for auto receive is set to 1 1 5 Switch to auto receive from manual receive 0 No switch Binary input 8 4 2 1 0 OPTION 6 No 5 6 7 8 Data No 0 Set to 0 15 7 EX 0 0 0 0 0 8 eg Switch to auto receive is set to disable 0 SW4 Communication results printout Printed at error only Printed at error timer memory only Printed at transmis sion mode only Not printed Printed every time OPTI...

Page 27: ...o 1 0 1 0 1 0 2 No 2 0 1 1 0 0 3 DIS receive acknowledge in G3 transmission Twice Once in NSF reception twice in DIS reception 0 Effective to international comm 4 Non modulated carrier in V 29 transmission mode On Off 1 5 EOL detection timer 25sec 5sec 0 6 Protocol monitor On Off 0 7 Line monitor On Off 0 8 Max length for TX RX Copy TX 432mm RX unlimited TX Copy 432mm RX 1 5m 0 SW8 Compromise Equa...

Page 28: ...nput 8 4 2 1 0 OPTION 2 No 1 2 3 4 Data No 0 3 EX 0 0 1 0 1 4 eg Retransmission time set to 10 times 0 5 Memory retransmission interval Binary input 8 4 2 1 0 OPTION 6 No 5 6 7 8 Data No 1 7 EX 0 1 0 1 0 8 eg Retransmission interval set to 5 min 1 SW12 1 Reserved 0 2 Reserved 0 Alarm buzzer 3sec 1sec No BEEP No BEEP 3 No 3 0 0 1 1 0 4 No 4 0 1 0 1 0 5 Action when RTN received Handle to no error Ha...

Page 29: ...eserved 0 8 Reserved 0 SW17 1 Reserved 0 2 Reserved 1 3 Reserved 0 4 Reserved 1 5 Reserved 0 6 Reserved 0 7 Reserved 1 8 Reserved 0 SW18 1 Reserved 1 2 Reserved 0 3 Reserved 0 4 Reserved 1 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW19 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 1 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW20 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Rese...

Page 30: ...eserved 0 8 Reserved 0 SW23 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW24 1 Reserved 0 2 Reserved 0 3 Reserved 1 4 Reserved 0 5 Reserved 0 6 Reserved 1 7 Reserved 0 8 Reserved 1 SW25 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 1 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW26 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Rese...

Page 31: ...Reserved 1 4 Reserved 0 Ringer volume Off HIGH MIDDLE LOW 5 No 5 0 0 1 1 1 6 No 6 0 1 0 1 1 7 Reserved 0 8 Reserved 0 SW29 1 Reserved 0 2 PC I F mode On Off 0 OPTION 3 Auto receive with PC I F PC FAX 0 OPTION 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW30 1 Resistration of header Disabled Enabled 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0...

Page 32: ... 0 limit 20 000 pcs 1 limit 16 000 pcs 0 limit 20 000 pcs 1 limit 20 000 pcs 0 8 Reserved 0 SW34 1 Start time of heater OFF timer Upper digit of hour Binary input 8 4 2 1 0 OPTION 2 No 1 2 3 4 Data No 0 3 EX 0 0 0 0 0 4 0 5 Start time of heater OFF timer Lower digit of hour Binary input 8 4 2 1 0 OPTION 6 No 5 6 7 8 Data No 0 7 EX 0 0 0 0 0 8 eg Start time is set to 15 XX 0 SW35 1 Start time of he...

Page 33: ...ta No 0 7 EX 0 0 0 0 0 8 eg End time is set to XX 35 0 SW38 1 Reserved 0 2 Reserved 1 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW39 1 Reserved 1 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW40 1 Reserved 1 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW41 1 Reserved 0 ...

Page 34: ...full 0 OPTION 2 Printout of total time and total number of pages on activity report Off On 0 3 Reserved 0 4 Department function On Off 0 5 Department ID digit Binary input 8 4 2 1 0 OPTION 6 No 5 6 7 8 Data No 1 Set is 3 9 7 EX 0 1 0 0 0 8 eg Department ID is set to 4 digits 0 SW45 1 Picture quality priority mode Fine Standard 0 OPTION 2 Cut off mode when copy mode Continue Cut off 0 OPTION 3 Scan...

Page 35: ...in Half tone mode Strong Weak 0 SW47 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW48 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW49 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW50 1 Reserved 0 2 Reserved 0 3 Reserved...

Page 36: ...d 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW55 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW56 1 Reserved 1 2 Reserved 1 3 Reserved 1 4 Reserved 1 5 Printing when toner empty Printing Stop 0 Reduction of print data AUTO 100 94 92 88 86 73 72 The number in is applicable for the footer print on AUTO is equivalent to 100 6 No 6 0 1 0 0 1 0...

Page 37: ...eserved 0 8 Reserved 0 SW60 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW61 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW62 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW63 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Rese...

Page 38: ...served 0 7 Reserved 0 8 Reserved 0 SW67 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW68 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW69 1 Cassette define LTR A4 Tray A4 LTR 1 2 Cassette define LTR A4 Upper A4 LTR 1 When W cassette 3 Cassette define LTR A4 Lower A4 LTR 1 Ignore ...

Page 39: ...hite page 4 5 5 0 5 5 6 0 7 0 8 0 9 0 10 0 5 No 5 1 1 1 1 1 1 1 1 6 No 6 0 0 0 0 1 1 1 1 7 No 7 0 0 1 1 0 0 1 1 8 No 8 0 1 0 1 0 1 0 1 SW72 Black line detection When copy scanning Continued black line count when detected 1 2 3 4 5 6 7 Unused 1 No 1 0 0 0 0 0 0 0 0 0 2 No 2 0 0 0 0 1 1 1 1 0 3 No 3 0 0 1 1 0 0 1 1 1 4 No 4 0 1 0 1 0 1 0 1 1 White page detect When copy scanning All white line count ...

Page 40: ...eserved 0 8 Reserved 0 SW76 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW77 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW78 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW79 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Rese...

Page 41: ...eserved 0 8 Reserved 0 SW82 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW83 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW84 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW85 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Rese...

Page 42: ...eserved 0 8 Reserved 0 SW88 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW89 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW90 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW91 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Rese...

Page 43: ...0 0 1 1 0 2 No 2 0 1 0 1 0 3 Protection of remote reception 5 detect Yes No 0 4 Reserved 0 5 Remote operation code figures by external tel 0 9 Binary input 8 4 2 1 0 6 No 5 6 7 8 Data No 1 7 EX 0 1 0 1 0 8 eq 5 1 SW96 1 Reserved 0 2 Recall controle of same dial No Yes 0 3 Summer time No Yes 1 4 U K Ireland mode Ireland U K 0 5 Mercury function Yes No 1 OPTION PBX recall selection No operation No o...

Page 44: ...rks 1 0 SW98 1 Waiting time after dialing 90sec 45sec 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 SW99 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 FO 4500H 2 28 ...

Page 45: ...cally sent after transmission of the original to notify the receiver of the number of original sheets transmitted SW2 No 7 JNNK FAX function in manual reception It is set whether JUNK FAX is functioned in the manual receiving mode or not SW2 No 8 JUNK FAX function This function is used to receive data from a specific remote machine station registered in entry mode It is the function that refused a...

Page 46: ...e SW6 No 1 MH fixed Normally set to allow automatic selection of MH and MR mode ac cording to the remote side If set to 1 the mode is fixed to MH and is useful if the remote side is a MH only unit or a lot of image distortion is met due to a bad line SW6 No 2 H2 mode Used to determine H2 mode 15 sec transmission mode When set to OFF H2 mode is inhibited even though the transmitting machine has H2 ...

Page 47: ...ze This switch is used to perform reception operation by fixing the equal izer control of modem for the line which is always in unfavorable state and picture cannot be received Usually the control is executed ac cording to the state of line where the equalizer setting is changed always SW9 No 4 Equalization freeze conditions Setting which specifies SW9 No 3 control only in condition of 7200bps mod...

Page 48: ...Reserved Set to 0 SW27 No 3 Verification STAMP End stamp It is set whether the red round mark is stamped at the bottom margin of the document every page in the memory input mode and document sending mode or not SW27 No 4 Reserved Set to 0 SW27 No 5 No 6 Key buzzer volume Key buzzer volume The sound volume of key inputting buzzer and other buzzers is set SW27 No 7 No 8 Reserved Set to 0 SW28 No 1 N...

Page 49: ... time Lower digit of hour Used to set the start time of the heater OFF timer Enter in 24 hour system SW35 No 1 NO 4 Start time of heater OFF time Upper digit of minute Used to set the start time of the heater OFF timer Enter in 24 hour system SW35 No 5 No 8 Start time of heater OFF time Lower digit of hour Used to set the start time of the heater OFF timer Enter in 24 hour system SW36 No 1 No 4 En...

Page 50: ... either in the auto or the dark mode of light original Set to Light for lighter reading either in the auto or the dark mode of dark original Set to Dark only in dark mode for darker reading only in the dark mode SW46 No 5 No 6 Density adjustment when Half tone mode This is used for density adjustment in the half tone Setting procedures are the same as SW46 No 3 No 4 SW46 No 7 HTF correction in Hal...

Page 51: ...ption 5 detect Used to set the function of remote reception 5 When set to 1 the remote reception function is disabled SW95 No 4 Reserved Set to 0 SW95 No 5 No 8 Remote operation code figures by external TEL 0 9 Remote operation codes can be changes from 0 through 9 If set to greater than 9 it defaults to 9 The 5 is not changed Ex 7 Default 5 SW96 No 1 Reserved Set to 0 SW96 No 2 Recall control of ...

Page 52: ... report on problem Our customer Our service A1 A2 C1 D2 B1 B2 E1 E2 C2 D1 Other party Other party s service 3 Troubleshooting 1 Fax troubleshooting Refer to the following actions to troubleshoot any of problems men tioned in 1 4 1 A communication error evoked 2 Image distortion produced 3 Unable to do overseas communication 4 Communication speed slow liable to failback Increase the transmission le...

Page 53: ... 4 to 4 7 sec afer the paper trailing edge passes the paperTake Up Sensor PC1 2 Laser malfuction All elements except the Exit Fan Motor M3 are deactivated when the malfunctions described below are detected The LDVR1 signal or LDVT2 signal deviates from the specified value while the laser power is adjusted LDVR1 LDVR2 These signals are to adjust the laser drive current 3 Polygon motor malfunction 1...

Page 54: ... section Was the pa per taken up YES YES YES YES YES YES NO NO NO NO NO NO Has the paper leading edge already reached the Paper Take UP Sensor PC1 Does the Sensor lever move correctly Does the Main Motor M1 operate Replace M1 the Pow er Unit PWB E or PWB A Replace SL1 or PWB A Do the Paper Take Up Solenids SL1 function Correct the Sensor lever movement Does the Pa per Take Up roller rotate Clean t...

Page 55: ...Does the Paper Exit Sensor PC3 lever move correctly Replace PC3 or PWB A Clean the Pre Image Transfer Roller Check the Fusing Roller and the Paper Separator Correct the Sensor lever YES YES YES NO NO NO 2 UNIT ERROR 1 Laser malfunction Replace PWB A NG Replace the Print Head Unit 2 Polygon motor malfunction Replace PWB A NG Replace the Print Head Unit FO 4500H 2 39 ...

Page 56: ...ical con ductin between CN2 of TH1 Replace the Power Unit PWB E or PWB A Replace PWB E or PWB A Clean TH1 4 Exit fan malfunction Does the Exit Fan Motor M3 rotate when the power is ON Replace PWB A Replace M3 YES NO NO 3 OTHER TROUBLE SHOOTING 1 No Power Has the Power ON OFF Swicth been turned ON Has the Power Cord been securely connected to the printer Has the Power Cord been securely connected t...

Page 57: ... to retransmission end command was received G3 Reception Code Final received signal Error Condition Receiver side 0 Incomplete signal frame Cannot recognize bit stream after flag 1 NSS DCS Cannot recognize CFR or FTT signal Disconnects line during transmission line error 2 NSC DTC Cannot recognize NSS signal FIF code etc 3 EOP Cannot recognize MCF PIP PIN RTN RTP signal 4 EOM Cannot recognize MCF ...

Page 58: ...icircular as to be rotated only when the paper feed roller is driven with the 2 step paper feed clutch mechanism Moreover the separation securely done by running the paper feed and transfer rollers more slowly than the feed rollor 2 Document separation system Friction speed reduction rario roller backlash separation system Fig 3 3 3 Documents applicable for automatic feed Product specifications In...

Page 59: ...ten with a lead pencil 7 Transparent documents 8 Folded or glued documents Document in document carrier should be inserted manually into the feeder 4 Optical system 1 General view Fig 4 2 Composition The optical system is composed of the document feed mechanism the lamp the reflecting mirrors the focusing lens the CCD sensor and the read process circuit 4 1 LED Lamp The LED lamp is used to expose ...

Page 60: ...9 Paper Lift Up Plate 10 Paper Take Up Roller 11 Paper Transport Roller 12 Paper Take Up Sensor PC1 13 Image Transfer Roller 14 Dram Cartridge 13 14 Fig 1 2 DRIVE SECTION Sleeve Roller Peper Exit Roller A Upper Fusing Roller Lower Fusing Roller PC Drum lmage Transfer Roller Paper Transport Roller Paper Transport Roller Paper Take Up Roller Paper Take Up Roller Main Motor M1 A Toner Cartridge 2nd T...

Page 61: ...wing to paper by the resistor M1 Main Motor Is the drive source of the printer M2 Polygon Motor Rotates at high speed and makes the laser scan in scanning direction M3 Fan Motor Exhausts the heated air out of the printer SL1 Paper Take Up Solenoid Transmits the drive of the Main Motor to the Paper Take Up Roller H1 Heater Lamp A halogen lamp that supplies heat to the Upper and Lower Fusing Rollers...

Page 62: ... PWB E F701 Power Unit protection fuse 230V AC250V 3 15A PWB A VR1 Positioning adjustment of the start of image Refer to Adjustment section PWB E F701 CN2 CNPW CN1 CN4 S2 Fig 5 PWB F CN1 VR2 VR1 1 Fig 4 PWB A CN15 CN5 CN13 CN1 CN4 CN10 CN12 CN6 CN9 CN3 CN8 CN11 CN2 CN7 VR1 IC1 Fig 6 FO 4500H 3 5 ...

Page 63: ...essing Cam When SL1 is de energized When SL1 is energized Paper Fig 8 8 DRUM CHARGE The PC Drum is charged with static electricity before laser exposure The Rotating Charge Brush and the Precharge film are used for the charging method The rotating brush charging and the Precharge film charging generate little ozone in the printer Because the charge is directly given to the PC Drum the PC Drum can ...

Page 64: ...tains toner 2 Toner Agitating Screw Agitates the toner in the Toner Hopper and sends the toner to the Toner Transport Roller 3 Toner Transport Roller Transports the toner to the Sleeve Roller 4 Doctor Blade Spreads a thin even coat of toner over the Resin Sleeve The toner is negatively charged when passing between this Blade and the Resin Sleeve 5 Sleeve Roller Rotates the Resin Sleeve 6 Resin Sle...

Page 65: ...nd Lower Fusing Rollers A Thermistor TH1 detects and conttrols the Upper Fusing Roller temperature The Thermostat S3 blows when the temperature becomes approx 133 C and shuts down the power to the Heater Lamp 12 2 Fusing Temperature Control Circnit The Thermistor TH1 detects the surface temperature of the Upper Fusing Roller and inputs that analog voltage into IC1A 77 Corre sponding to this data t...

Page 66: ...ed at 172 C 4 Standby at low temperatuie The Upper Fusing Roller is maintained at 112 C When a print is made soon after warming up Temperature Warming up Standby Power ON Time Standby at low temperature 172 156 112 C Fig 14 13 PRINT SEQUENCE 13 1 Print Starting 13 2 Print Ending 4000 20 M3 normal rotation Unit msec Printing command Polygon Motor M2 Main Motor M1 Drum charge Laser exposure Developm...

Page 67: ...s list and the flowchart in a same section are common to each other To assure reliability of the product the disassembly and the assembly procedures should be performed carefully and deliberately The part where the mounting screws are painted in red See page 3 31 Fig 1 1 Left side panel and speaker 2 3 4 5 6 1 1 2 2 3 2 7 4 4 4 5 6 5 5 a a Hook Hook Hook Hook TEL LIU PWB 7 Parts list Fig 1 No Part...

Page 68: ...Right side panel Fig 2 2 3 4 1 1 2 4 3 3 a a Hook Hook Hook Hook PRINTER CONTROL PWB Parts list Fig 2 No Part name Q ty 1 Mechanism unit 1 2 Screw 3 10 1 3 Screw 3 10 2 4 Right side panel 1 FO 4500H 3 11 ...

Page 69: ...ist Fig 3 No Part name Q ty No Part name Q ty 1 Mechanism unit 1 12 Pinion gear 1 2 Hopper unit 1 13 Hopper spring 1 3 Screw 3 10 2 14 Hopper guide left 1 4 Scanner cover 1 15 Hopper guide right 1 5 Screw 3 10 3 16 Hopper 1 6 Inner tray unit 1 17 Screw 3 8 1 7 Screw 3 10 2 18 Paper setting plate 1 8 Printer front cover 1 19 Screw 3 8 1 9 Screw 3 8 2 20 ROM cover 1 10 Hopper window 1 21 Inner tray ...

Page 70: ... 4 Scanner unit 2 5 1 2 2 2 3 TEL LIU PWB 2 3 4 5 1 4 4 4 4 4 4 4 CONTROL PWB Parts list Fig 4 No Part name Q ty 1 Mechanism unit 1 2 Screw 3 6 4 3 Earth cable 1 4 Connector 7 5 Scanner unit 1 FO 4500H 3 13 ...

Page 71: ...nel unit and optical unit 5 2 3 4 5 6 7 1 7 3 4 2 2 2 6 1 2 5 Parts list Fig 5 No Part name Q ty 1 Scanner unit 1 2 Screw 3 10 5 3 Reader glass 1 4 Document guide lower 1 5 Screw 3 10 1 6 Operation panel unit 1 7 Optical unit 1 FO 4500H 3 14 ...

Page 72: ...1 3 Release lever 1 15 Separator sheet 1 27 Panel cable 1 4 Release lever spring 1 16 Paper feed pressure spring 1 28 Screw 2 6 9 5 Screw 3 8 3 17 Rear sheet 1 29 Operation panel PWB unit 1 6 Electro static discharger brush earth cable 1 18 Electro static discharger brush 1 30 Change key 1 7 Earth plate spring 4 1 19 Bearing 2 31 Stop key 1 8 Reinforcement bracket 1 20 Transfer roller gear 1 32 Mo...

Page 73: ...No Part name Q ty No Part name Q ty 1 Shading sheet 1 9 Connector 1 2 Mirror 1 10 CCD PWB unit 1 3 Screw 3 8 1 11 Screw 3 8 2 4 Mirror hold plate right 1 12 Screw 3 6 1 5 Mirror 1 13 Lens holding spring 1 6 Screw 3 8 1 14 Lens 1 7 Mirror hold plate left 1 15 Lens holder 1 8 Screw RED 2 16 Lens holder plate 1 FO 4500H 3 16 ...

Page 74: ...g 2 1 16 ADF paper feed gear 1 29 Screw 3 10 2 4 Screw 3 10 1 17 Washer 1 30 Drive unit 1 5 Earth plate spring 2 1 18 Washer 1 31 Screw 3 6 1 6 Pinch roller 2 19 Paper feed roller 1 32 Earth plate spring 3 1 7 Pinch roller shaft 1 20 Paper feed clutch unit 1 33 Screw 3 10 2 8 Screw 3 10 1 21 Paper feed roller shaft 1 1 34 Scanner frame bracket rear 1 9 Stopper spring 1 22 Paper feed gear 1 35 Bush...

Page 75: ...t 2 3 4 5 6 7 1 6 7 4 3 2 1 5 5 Parts list Fig 9 No Part name Q ty 1 Reduction gear 14 50Z 1 2 Idler gear 45Z 1 3 Slow down gear 27 46Z 1 4 Idler gear 70Z 1 5 Screw 3 6 2 6 Transfer motor 1 7 Motor plate 1 FO 4500H 3 18 ...

Page 76: ...le 6 5 8 10 8 9 8 Parts list Fig 10 No Part name Q ty No Part name Q ty 1 Mechanism unit 1 7 Control PWB unit 1 2 Connector 1 8 Screw 3 6 3 3 Screw 3 6 1 9 TEL LIU PWB bracket 1 4 Screw 3 8 1 10 TEL LIU PWB sheet 1 5 Clamp 1 11 TEL LIU PWB unit 1 6 Core 1 FO 4500H 3 19 ...

Page 77: ...4 1 12 12 7 Parts list Fig 11 No Part name Q ty No Part name Q ty 1 Mechanism unit 1 8 Screw 4 8 1 2 Screw 3 6 2 9 AC cord 1 3 Screw 3 6 1 10 Screw 3 8 1 4 Screw 3 8 1 11 Power supply PWB cover 1 5 Connector 4 12 Power supply PWB unit 1 6 Power supply PWB ass y 1 13 Screw 3 6 4 7 Screw 3 6 5 14 Printer unit 1 FO 4500H 3 20 ...

Page 78: ...Fig 12 2 2 2 2 3 4 1 Chassis unit 8 5 7 5 2 3 4 5 6 7 8 1 6 Fig 12 No Part name Q ty No Part name Q ty 1 Mechanism unit 1 5 Screw 3 6 2 2 Screw 3 6 4 6 Printer bracket 1 3 Connector 1 7 Mini clamp 1 4 2nd transport unit 1 8 Chassis unit 1 FO 4500H 3 21 ...

Page 79: ...t name Q ty No Part name Q ty 1 Chassis unit 1 12 Bottom plate brac ket top 1 2 Edge holder 1 3 Wire holder 1 13 Screw 3 6 2 4 Screw 3 6 4 14 Cassette lock plate left 1 5 Top plate top 1 6 Edging 1 15 Cassette lock plate right 1 7 Screw 3 6 3 8 Right side chassis 1 16 Foot 4 9 Screw 3 6 3 17 Connector cap 1 10 Left side chassis 1 18 Bottom plate 1 11 Screw 3 6 2 FO 4500H 3 22 ...

Page 80: ...ame Front sensor Front sensor Transfer sensor Transfer sensor cable Transfer sensor cable Document sensor Document Front sensor cable Rib 7 1 1 7 CCD cable Power cable Printer cable Printer cable Printer cable Panel cable LED cable LED cable Transfer sensor cable Transmission motor cable Verification cable PRINTER CONTROL PWB CONTROL PWB Document Front sensor cable 3 5 Power cable 3 times Printer ...

Page 81: ...nsion section of the Fusing Unit 1 screw 4 Remove the transport gear 5 Release the hook of the spring and remove the drive gear section of the Fusing Unit When rehooking the spring be sure to hook it at the correct position After reinstalling the drive section of the Fusing Unit be sure to check if the gear section moves forward and backward as in the directions shown below NOTE 6 Remove the fusin...

Page 82: ...ng drive gear side Be sure not to touch the lamp surface with bare hands NOTE 2 Remove the harness cover 3 Remove the fusing entrance guide 4 Remove the Fusing Unit 4 screws After reinstalling the Fusing Unit check the direction of the bush ings on the Paper Exit Roller and the connection condition be tween the Roller and the ground plate NOTE FO 4500H 3 25 ...

Page 83: ...einstalling the Thermistor wire the harness as shown below NOTE 2 Release the lock of the holder and remove the three paper separators When reinstalling the paper separators be careful of these posi tions as the middle one differs from the others NOTE FO 4500H 3 26 ...

Page 84: ...ig 18 1 Remove the Paper Exit Sensor PC3 2 Remove the two G rings from the Fusing Unit When reinstalling the G rings Be careful of the direction Securely position them into the grooves of the Fusing Roller NOTE FO 4500H 3 27 ...

Page 85: ... the Upper Fusing Roller drive gear 2 Remove the Upper Fusing Roller When reinstalling the Roller be careful not to damage the Roller surface by the unit frame NOTE 3 Take out the Lower Fusing Roller 4 Remove the Thermostat S3 2 screws FO 4500H 3 28 ...

Page 86: ... Front and Right Covers 3 Unplug the connectors from PWB A 4 Cut the Tie Band 5 Remove the screw of the cover mounting plate to ease the removal of screw A in the next step 6 Remove the Print Head Unit 7 screws Do not disassemble the print head unit NOTE FO 4500H 3 29 ...

Page 87: ...NIT DRAM 4 Mbit x 1 CODEC HD813201F TELEPHONE LINE DECODER SENSOR POWER SUPPLY UNIT EPROM 1MB R T C NJU6355E CONTROL PWB UNIT PC I F MECHANISM CONTROL LIU PORT READING CONTROL PICTURE DATA CONTROL RECORDING DATA CONTROL I O OPERATION PANEL I F DRIVER DRIVER DRIVER SCANNER UNIT TX MOTOR LED ARRAY VERIFICATION STAMP CCD PWB PRINTER MECHANISM PCU DRAM 512KB MODEM 33 6Kbps LED LATCH COG LCD FLASH MEMO...

Page 88: ... 14 24 PERSONAL COMPUTER CN1 4 CN13 TE1 TONER EMPTY SENSOR MAIN UNIT PRINTER UNIT 2 CN11 M3 FAN MOTOR CNPW 5 CN3 CN4 CN2 CNH1 HEATER LAMP 1 1 S3 THERMOSTAT S2 INTERLOCK SWITCH 2 3 AC CORD CNOP 50 CN7 CN1 12 CN9 2ND TRANSPORT PWB CN2 2 SL2 2ND TRANSPORT UNIT PAPER TAKE UP SOLENOIDE CN3 CN1 3RD TRANSPORT PWB CN2 5 3RD TRANSPORT MOTOR SL3 2 PAPER TAKE UP SOLENOIDE 3RD TRANSPORT UNIT OPTION FO 45A4 4 ...

Page 89: ...MD10 MD8 MD6 MD4 MD2 MD0 MWRL MA20 MA18 MA16 MA14 MA12 MA10 MA8 MA6 MA4 MA2 FLBSY FLBK2 FLOPT DG 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 PDG PDG PDG PRRDY CMD PDG PDG CPRDY PDG PDG PDG EPRDY STS SRCLK 5VP 5VP A1 A3 A5 A7 A9 A11 A13 A15 B1 B3 B5 B7 B9 B11 B13 B15 PDG PCURES HSYNC ETBSY PRINT VIDEO PDG N C PDG PDG PDG TOD CTBSY PDG 5VP 5VP A2 A4 A6 A8 A10 A12 A14 A16 B...

Page 90: ... HV B BIAS MON GND 24V PC1 PAPER TAKE UP SENSOR SL1 PAPER TAKE UP SOLENOID 2ND TRANSPORT UNIT 3RD TRANSPORT UNIT CN9 CN1B CN3B CN1C 1 2 3 4 5 6 7 8 9 10 11 12 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 24V FEED2 PK UP3 5V GND P EMP2 CASSETTE UNIT LTR LGL 3RD MOTOR M CLOCK BIN SEL 24V FEED2 PK UP3 5V GND P EMP2 CASSETTE UNIT LTR LGL 3RD MOTOR M CLOCK BIN SEL 24V PK UP3 5V GND P EMP3 CASSETTE 3...

Page 91: ... CPU of 32 bit RISC type as the core In the instrument the following peripheral functions are mainly used 1 ROM of 32 KByte and RAM of 1 KByte are integrated A part of programs are stored in the integrated ROM 2 DMA controller 4 channels are provided and 2 channels alone are used ch 0 Used to transmit image data between CODEC HD813201F and DRAM IC14 ch 3 Used to transmit image data between CPU and...

Page 92: ...ledge It indicates that the bus right is released to the external device When receiving BACK signal the device which outputs BREQ signal can know that bus right is obtained Operation mode control MD2 MD0 79 77 I Mode setting The terminal determines the operation mode During operation don t vary any input value The relationship between MD2 thru MD0 and operation modes are shown in the following lis...

Page 93: ...sfer request is received 16 bit integrated timer pulse unit ITU TIOCA0 TIOCB0 51 53 I O ITU input capture output conveyor Channel 0 Output terminal of input capture input output conveyor TIOCA1 TIOCB1 62 64 I O ITU input capture output conveyor Channel 1 Output terminal of input capture input output conveyor TIOCA2 TIOCB2 83 84 I O ITU input capture output conveyor Channel 2 Output terminal of inp...

Page 94: ...requency No Signal name Frequency 1 CED 2100Hz 1 G1 1850Hz 2 G1 1850 2 CFR MCF 1650 3 GC 2100 3 GC 2100 4 CFR 1650 5 MCF 1650 6 LCS 1100 7 EOM 1100 8 PIS 462 The above functions are controlled by getting an access to the inter face memory in the modem through the data bus from CPU IC12 of the control PWB The interface memory is composed of 32 8 bit regis ters and is controlled with the bank switch...

Page 95: ...te array B IC16 LR38292 in the serial mode and is stored in the page memory The contents binary coded here are as follows Shading compensation Half tone process error diffusion process MTF compensation 2 Mechanical control block The mechanical control block is mainly composed of the gate array A IC15 LZ9FJ37A to control the following a Sending motor control The revolution speed and timing of the s...

Page 96: ...LG1ON Plunger 1 control 76 I A4 System address input output 26 O PLG0ON Plunger 0 control 77 I A3 System address input output 27 GND Ground 78 I A2 System address input output 28 I CLKR Sending system control basic clock input 79 I A1 System address input output 29 I XFLBSY Flash memory busy signal input 80 GND Ground 30 O FLBK1 Bank control 1 81 I TEST Test terminal 31 O FLBK2 Bank control 2 82 O...

Page 97: ...address output 127 O RA11 Reading memory address output 128 O RA10 Reading memory address output 129 O RA9 Reading memory address output 130 O RA8 Reading memory address output 131 O XRWE Reading memory write output 132 O XROE Reading memory read output 133 I O RAD15 Reading memory data input output 134 I O RAD14 Reading memory data input output 135 I O RAD13 Reading memory data input output 136 I...

Page 98: ...power conversion smoothening and contracting to 404 dpi of the gate array B LR38292 IC16 Terminal descriptions Pin Name I O Function 20 VCC Power supply 62 VCC 100 VCC 142 VCC 16 GND Ground 21 GND 35 GND 48 GND 61 GND 78 GND 87 GND 101 GND 125 GND 134 GND 143 GND 65 MANRESB O Manual reset signal 66 RESETB I Reset signal 89 A5 I Address signal on the system side 90 A4 91 A3 92 A2 93 A1 70 D15 I O D...

Page 99: ...e of memory page memory DRAM of image bus Low Address 8 bit type High address 12 bit type Valid only for DRMSIZE L Don t care for DRMSIZE H 67 STVDB I Serial scanner data valid range signal 68 SRVID I Serial scanner data 69 SCCLK I Serial scanner data transfer clock 51 PCURESB O Reset signal for printer unit 52 HSYNC I Main scanning synchronous signal from printer unit 53 EPRDYB I Communication re...

Page 100: ...he image data transferred in the DMA mode from the system memory are demodulated with MMR and are developed into the page memory 2 SN74LS374 IC107 pin 20 SOJ The data hold time during writing from main CPU to HD813201F is assured 3 SN74LS244 IC104 pin 20 SOJ When the main CPU reads the inner register of HD813201F it will read the data through this buffer IMAGE BUS CONTROLLER PROCESSING UNIT IMAGE ...

Page 101: ... of the interrupt When MPU reads IRR IRQT becomes low level For details of IRR refer to 8 1 2 Interrupt request register DRQTO 47 O DMA Request Output DMA request output terminal In the following cases DMA transfer can be requested for DMAC by turning DRQTO to high 1 During coding a code of 1 byte or more is stored in E FIFO 2 During decoding an empty area of 1 byte or more is present 3 During dat...

Page 102: ...D14 15 MA MD15 16 MA16 71 Three state output Memory Address Bus 16 thru 21 memory address bus When MAEN is low and MAS is high it is used as the output address line MA17 11 MA18 30 MA19 31 MA20 50 MA21 51 MR 26 Three state output Memory Read Memory read terminal When MR is turned to low level IDP201 reads the data from the image memory MW 28 Three state output Memory Write memory write terminal Wh...

Page 103: ...device read When READY is turned to high during writing it indicates that the image memory or I O device is ready for transmitting receiving the data When READY is high IDP201 will wait until READY becomes high Power terminal VDD 1 29 I Power voltage 5V VDD 2 49 I VDD 3 72 I VSS 1 10 I VSS 2 17 I Ground VSS 3 34 I VSS 4 53 I VSS 5 70 I VSS 6 75 I Other TEST 0 18 I Fix these terminals at low TEST 1...

Page 104: ...The data are stored until they are transferred to PCU with the gate array B and printed Code Terminal No I O Name and function CLKI 19 I Quartz oscillation input terminal and external clock input terminal CLKX 20 O Quartz oscillation output terminal CKTST1 1 I Low pass filter terminal of PLL circuit Connected to capacitor 1000pF and resistor 10kΩ through GND CLKMOD 40 I Terminal to switch quartz o...

Page 105: ...pe output transistor only for the time 0 69CrRr determined by CT C30 31 and RT R10 11 which are connected to the terminal T pin 2 in order to shut down the coil current IM 4 At this time the counter electromotive force is generated by the winding inductance However the energy is reduced with dis charge through VMM and the diode between MA and MB 5 When the time 0 69CrRr determined with the monosta...

Page 106: ...dress and data at the leading edge RY BY O Ready busy The status of the internal write state machine is output Low indicates that the write state machine is in operation RY BY pin is floated when the write state machine waits for instruction of next operation erasion is interrupted or it is in the deep power down state WP I Write protect Each block can be protected from writing erasion by writing ...

Page 107: ...4 KBYTE BLOCK 1 64 KBYTE BLOCK 30 64 KBYTE BLOCK 31 Y DECODER X DECODER INPUT BUFFER I O LOGIC ADDRESS QUEUE LATCHE ADDRESS COUNTER INPUT BUFFER PROGRAM ERASE VOLTAGE SWITCH VPP 3 5 RP 3 5 OE WE A0 20 RY BY OUTPUT BUFFER OUTPUT BUFFER DQ8 15 PAGE BUFFERS INPUT BUFFER BYTE WP CE1 CE0 VCC GND Fig 5 LH28F800SUT IC6 FO 4500H 5 17 ...

Page 108: ...COLUMN DECODER 256K MEMORY ARRAY MAT 256K MEMORY ARRAY MAT I O BUS COLUMN DECODER 256K MEMORY ARRAY MAT ROW DETECTOR SELECTOR PERIPHERAL CIRCUIT SELECTOR ROW DETECTOR ROW DETECTOR ROW DETECTOR 256K MEMORY ARRAY MAT I O BUS COLUMN DECODER 256K MEMORY ARRAY MAT 256K MEMORY ARRAY MAT I O BUS COLUMN DECODER 256K MEMORY ARRAY MAT ROW DETECTOR SELECTOR UCAS OE LCAS I O1 BUFFER I O1 I O0 BUFFER I O0 SELE...

Page 109: ...locks 1 Surge protection circuit 2 Noise filter 3 On hook status detection circuit 4 Dial pulse generation circuit 5 CML relay 6 Matching transformer 7 Hybrid circuit 8 Speaker amplifier 9 Adjustment of voice volume 10 Signal selection 11 Cl detection circuit 12 Power supply and bias circuit 3 Block description 1 Surg Protection circuit This circuit protects the circuit from the surge voltage occu...

Page 110: ...he speaker amplifier monitors the line under the on hook mode outputs the buzzer sound generated from the gate array IC11 control PWB ringer sound DTMF generated from the modem IC1 control PWB and line sound 9 Adjustment of voice volume The voice volume can be adjusted by using the panel bottons and The reception level can be adjusted by pressing the but ton when the handset is located in the off ...

Page 111: ...of control signals CML MPXA MPXB MIC MUTE RCV MUTE SP MUTE H ON H TX LINE H Low gain H ON H ON H ON L OFF L OFF L High gain L OFF L OFF L OFF Stand by L L L H H H FAX signal sending H H H H H H FAX signal receiving H L H H H H Before and after dialing H H H L L H Off hook dial DP dialing L L H H L H DTMF dialing H H H H L H Before and after dialing H L H L H L On hook dial DP dialing L L L H H L D...

Page 112: ...ls within the control board 2 Φ 1 Φ Fig 11 5 Circuit description of operation PWB 1 Block diagram ULN2003 SEN1 SEN2 SEN3 SEN4 SEN5 SEN6 LS145 HC174 5V LD0 LD7 LCD DRIVER LCD COG LMG2022 TPR PANEL PWB ULN2003 Fig 12 2 Operational description 1 Panel PWB The panel PWB includes the ten key scan circuit and the LED lighting circuit The LS145 is controlled through LD0 LD3 4 bits and ten key detection i...

Page 113: ...EATER OUT Fig 13 2 Noise filter circuit The filter circuit is composed of L and C in order to reduce the common noise and normal mode noise which flows into and out of the AC line The common mode noise is called the noise which generates in cach line against GND and C703 C704 C722 C723 and C725 flows the noise component to GND Moreover the normal mode noise is called the noise which is super impos...

Page 114: ...mes conductive to transmit energy to the secondary side See Fig 16 The control circuit is a circuit which the negative feed back is given from the secondary side as shown in Fig 16 The photocoupler PC701 is used for insulation between the primary and secondary sides in order to feed back the control signal to the primary side When the output voltage rises due to the energy transmission from T701 t...

Page 115: ... Q701 on the primary side is increased The current is detected by R706 and R707 is passed through R710 and is input to the overcurrent restrictive terminal 3 pin of IC701 to turn off Q701 in order to shut down the whole output As the method to recover the power supply again the power input is turned off again to sufficiently discharge the voltage of C705 and the power input is turned on when 9V or...

Page 116: ... the overcurrent protective circuit is a IC integrated type with the characteristic of letter IC704 12V AG VM 24V MG Fig 21 8 Chopper circuit 5V system The output voltage detected by R723 and R724 is input into the air amplifier by IC703 and is passed through the PWM comparator for PWA control of the output transistor in order to stabilize the output voltage The oscillating frequency is set at app...

Page 117: ...d to HIGH any current will not flow to the photo diode of PC702 to turn off TR701 This will deactivate the heater output If TR701 is broken in the short mode any current will not flow to the photo diode side of PC703 to turn off the photo transistor on the secondary side and Q703 will not be turned off Q703 is connected to the gate cathode of SR701 and SR701 is usually turned off However when Q703...

Page 118: ...09 27K L704 R705 68K R711 56 R710 82 D703 ERA9102 R726 39K C714 1000P C715 680 35 C716 680 35 1 IC701 FA5315P C708 0 047 C710 0 0047 R714 15K R708 39 1W R706 0 47 1W R702 10K 2 3 4 8 7 6 5 C709 220P CH1gnd V 20V div H 5µsec div CH1gnd V 10V div H 5µsec div CH1gnd V 100V div H 5µsec div CH1gnd V 1V div H 5µsec div CH1gnd V 100V div H 5µsec div C706 220P R708 47 3W Fig 25 FO 4500H 5 28 ...

Page 119: ...LIU 22 CML 5 5F VOLCNT CNLIU 7 MPXB CNLIU 9 MPXA R212 R210 4 7K R208 N M R185 0 R184 R183 0 N M DG DG 5V C136 C152 C154 C140 C170 C155 0 1 x 6 MA20 MA19 MA18 MA17 MA16 MA15 MA14 MA13 MA12 MA11 MA10 MA9 MA8 MA7 MA6 MA5 MA4 MA3 MA2 MA1 MA0 MD14 MD13 MD12 MD11 MD10 MD9 MD8 MD7 MD6 MD5 MD4 MD3 MD2 MD1 MD0 DG C253 C254 C261 R179 4 7K MWRH CNOP 22 MWRL CNOP 23 MRD CNSB 21 MWRH CNSB 22 MWRL CNSB 23 MRD C...

Page 120: ... HC14 10 IC102 HC14 TCS1 R158 4 7K Q100 DTA114EK 3 2 DG 1 5V TCS2 2 3A 2 5F 2 3F 2 1F 31 7 11 A1 12 A0 2 N C 1 N C A5 R122 MA6 MA5 MA4 MA3 MA2 MA1 N C 17 D3 15 D2 14 D1 13 D0 22 CS1 24 OE 32 VCC 16 GND MD11 MD10 MD9 MD8 1 2D 5 5E 1 2D MA15 MA14 MA13 MA12 MA11 MA10 MA9 MA8 MA7 MA16 VBT MWRL RAMCSO MRD TCS1 2 2C DG 21 20 19 18 3 28 4 25 23 26 27 5 6 8 10 9 29 30 A15 A14 A13 A12 A11 A10 A7 A9 A8 A6 A...

Page 121: ...O4 1 GPO3 100 GPO2 MD14 MD13 MD12 MD11 MD10 MD9 MD8 MA5 MA4 MA3 MA2 MA1 R172 10 R174 10 R107 10 R105 10 R103 10 R101 10 R106 10 R104 10 R102 10 R100 10 R156 10 R154 10 R155 10 R157 10 MD15 MD8 1 6G R115 10 R116 10 R114 10 37 67 45 49 18 48 17 21 30 43 47 44 24 99 68 69 65 84 85 25 83 26 74 62 72 22 23 50 6 7 16 66 77 80 81 89 92 97 46 63 61 75 76 94 93 91 19 20 27 28 29 31 32 33 41 42 51 RCVO RCVI...

Page 122: ...EST SCCLK SRVID XSTVD PHISH PHIBL PGST GTW HTEN ADCK B0 B1 B2 B3 B4 B5 B6 B7 RWE ROE RD0 RD1 RD2 RD3 RD4 RD5 RD6 RD7 RD8 RD9 RD10 RD11 RD12 RD13 RD14 RD15 RA0 RA1 RA2 RA3 RA4 RA5 RA6 RA7 RA8 RA9 RA10 RA11 RA12 R249 10K R310 10K R248 10K R269 10K R292 10K ROLSNS R247 270 R270 270 DG DG CNSEN 5 CNROL 1 CNROL 2 C169 0 1 C184 0 1 C149 0 1 DG DG 4 1F SCCLK1 6 6F SRVID 6 6F STVD R254 10 IC109 BA10339F 1...

Page 123: ...WRL MWE INT2 1 1D 1 1D 2 4C 1 5A C150 DG DG R176 0 CLKF 1 4A CK16M 6 1F 7 3D DG RESET2 2 2C CS2 1 2D CS6 1 2D BZOUT 5 6F BZSL 7 1G CNOP 45 FLBK3 CNOP 46 FLBK2 CNOP 47 FLBK1 GABCS 6 6E CDCCS1 7 1G 7 4D MDMCS 3 3B CNSB 25 GACCS CNOP 4 RAMCS1 RAMCS0 2 5F 2 3F 2 1F MDMRST 3 6E ROMCS 1 5H 1 3H FLSTD 2 4C CNOP 48 FLOPT CNRS 4 RXDA CNRS 3 TXDA L111 100 RXIN 1 5A TXOUT 1 5A CTS 5 3I L113 100 CNRS 5 RTSA C...

Page 124: ...2 HC14 C193 2200P HSYNC 4 6 3H DG GND GND DG C161 C162 C163 C164 C165 C166 C167 SEN0 CNPN 20 CNPN 18 CNPN 16 CNPN 14 CNPN 12 CNPN 10 CNPN 8 R232 470 R231 470 R230 470 R229 470 R228 470 R227 470 R226 470 R225 N M R241 270 R245 270 R244 270 R264 270 R243 270 R246 270 R242 270 CNPN 17 CNPN 13 CNPN 9 CNPN 11 CNPN 15 CNPN 19 CNPN 3 CNPN 1 N C N C N C R224 N M R240 R239 CNPN 2 CNPN 4 CNPN 6 CNPN 7 CNPN ...

Page 125: ... LS244 18 16 14 12 9 7 5 3 1 19 2 4 10 20 17 13 11 8 6 15 5V 1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4 1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4 1G 2G D7 D6 D5 D4 D3 D2 D1 D0 Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 CK OE C215 0 1 C187 0 1 DRQTO DG PMAD13 PMAD14 PMAD15 PMA16 PMA17 PMA18 PMA19 PMA20 6 1B PMA19 PMA16 PMAD15 PMAD0 52 BRQT 48 BACK 76 MAEN N C N C N C N C N C N C N C 7 2A 6 1E BRQT 7 2D BACK2 7 1A MAEN1 7 1A MAS 6 1F MDEN...

Page 126: ... 6 3A PMRAS0 6 3A PMRAS1 8 5I R364 100 8 5I PMLCAS N C PMAD14 PMAD13 PMAD12 PMAD11 PMAD10 PMAD9 PMAD8 5V C148 0 1 DG PMAD7 PMAD6 PMAD5 PMAD4 DG DG 5V C133 0 1 2 I O0 1 VCC PMAD0 3 1 2 6 5 4 5 6 10 14 13 1A 1B 2A 2B 3A 3B 4A 4B G S IC116 HC157 3 2 11 15 1 VCC 5V C256 0 1 DG MAEN1 7 3H 4 7 1Y 2Y 3Y 4Y PMLCAS 8 2A PMUCAS 8 1A N C R363 N C R362 GND A1 11 DRA2 DRA1 DRA0 A7 19 A5 17 I O 2 A4 13 12 7 A3 ...

Page 127: ...58 C142 0 1 C5 47 50 D1 D106 D2 D107 TXB1 TXB0 TXPB 4 5E R1 0 47 R368 MG C157 0 1 16 C 13 GND 4 5E 4 5E TMB CNTXM 4 CRNT 4 4E 5V R215 200K R216 180K DG IC100 NJM2904 1 3 2 Q102 2SC2413K R237 100K 3 2 1 5V 5 C216 0 1 IC108 HCU04 14 6 7 DG N C 9 8 N C 11 10 N C 13 12 N C 5V 1 C246 0 1 IC112 HC04 14 2 7 DG N C 3 4 N C 5 6 N C 12 IC113 11 DG N C 13 5V C257 0 1 14 7 DG IC113 HC32 VCC GND N C Q Q PRE CL...

Page 128: ...C263 DG MA2 MA1 MA0 D149 RB411D D148 RB411D DG MA20 MA19 MA18 MA17 MA16 MA15 MA14 D130 D129 D128 D127 D126 D125 D124 MA13 D123 MA12 MA11 MA10 MA9 MA8 MA7 MA6 D122 D121 D120 D119 D118 D117 D116 MA5 D115 MA4 MA3 MA2 MA1 MA0 D114 D113 D112 D111 D110 RB411D x 22 N M MA15 MA14 MA13 MA12 MA11 MA10 MA9 MA8 5V MD15 D147 DG 19 D16 D15 D14 D13 D12 D11 D10 D09 18 17 16 15 14 13 12 MD7 D08 D07 D06 D05 D04 D01...

Page 129: ...Control PWB parts layout Top side 6 11 FO 4500H ...

Page 130: ...Control PWB parts layout Bottom side 6 12 FO 4500H ...

Page 131: ...2 3F VREF VREF VREF VREF R124 R6 T1 T2 I2142 C106 0 01 C107 N M JP10 N M C8 2 2 50 C121 L6 C102 L5 ZD2 MTZJ39C PC4 TLP521 1 2 D102 1SS355 R5 10K 1W C10 1 8 JP5 JP6 N M CML 1 3 G6GN 2D CML 2 3 G6GN 2D 7 10 8 6 3 5 R7 100 1W C7 4 7 50 IC1 1 2 R117 10 2 1 C13 L9 JP18 R134 AR1 RA 501P AR2 RA 501P N M ARG JP8 L7 SBT 0260 N M L10 VA2 N M L8 SBT 0260 JP9 N M JP19 JP13 N M JP15 JP14 JP12 JP11 JP16 JP17 N ...

Page 132: ...6 IC1 2 2 THS 65 3 C6 47 25 DG Q110 DTC114EK DG B C E 12V D101 1SS355 CML 3 3 G6GN 2D 1 12 8 4 14 7 C110 0 022 IC103 3 3 4558 IC102 5 5 4066 C109 0 022 AG L117 0 L114 0 L115 0 L113 0 C4 47 25 C102 0 022 C5 47 25 R104 0 DG AG C103 0 022 5V 12A AG AG AG AG AG C119 0 022 R130 10K R129 10K C12 47 25 IC104 2 2 4558 1 8 2 3 4 C113 1000P L118 0 VREF 12V DG DG DG DG C2 1 50 C3 100 16 C1 4 7 50 R102 100K R...

Page 133: ...TEL LIU PWB parts layout 6 15 FO 4500H ...

Page 134: ...6 16 FO 4500H ...

Page 135: ...R718 1K IC702 UPC1093J 1 R721 22K IC704 UPC7812AHF D708 1SS178 or 1SS252 L705 R725 1K 1W L708 R719 1K 12V Q702 2SA1015 1 R712 47K IC701 FA5315P C708 0 047 R715 1K C710 0 0047 C711 0 1 PC701 PC123 C719 330 35 R714 15K R708 39 1W C702 0 047 L701 C701 0 047 X701 ENC471010 F701 T4AH 250V S701 AC L AC N R706 0 47 1W R702 10K AG MG VM 24V 5V DG HEATER ON OFF 2 3 4 8 7 6 5 CN1 VM 1 2 3 4 5 MG DG 5V HEATE...

Page 136: ...Power supply PWB parts layout 6 18 FO 4500H ...

Page 137: ...5 12 IC3 HC174 11 16 6 3 14 13 4 1 VDD 9 6D 5D 4D 3D 2D 1D CLK CLR 1D 2D 3D 4D 5D 6D GND 5V R12 100K DG C11 2200P C10 0 1 C9 22 16 15 10 8 7 2 5 12 IC4 HC174 11 16 6 3 14 13 4 1 VDD 9 6D 5D 4D 3D 2D 1D CLK CLR 1D 2D 3D 4D 5D 6D GND Q2 DTC114ES Q1 DTC114ES Q3 N M 5V R11 150 R5 150 R6 LED5 LINE LED7 PAPER LED8 TONER CNPN 11 CNPN 17 CNPN 5 CNPN 7 CNPN 21 CNPN 23 CNPN 22 CNPN 24 5V C12 N M CGND CGND L...

Page 138: ...2 SEN3 SEN4 1 4I LD0 LD1 LD2 LD3 A I Q B J R Z C K S SPACE L T SHIFT M U SP N V CLEAR REPORT O DOCUMENT P LINE CHANGE OVER D E F G H SW A STOP W X RESOLU TION COPY 2 3 FUNCTION SHEET COVER PRIORITY START B CAST 5 6 SPEED DIAL 0 SPEAKER 8 9 REDIAL CNPN 10 SEN5 CNPN 8 SEN6 Y 1 4 7 C2 33 16 1 4I 1 4I 1 4I Operation panel PWB circuit 2 2 6 20 Note Since the parts of this PW can not be supplied change ...

Page 139: ... 5VA 3 20 AGND VDD 4 19 VOUT NC 5 18 NC NC 6 17 NC NC 7 16 NC NC 8 15 2 NC 9 14 1 10 13 DGND NC 11 12 NC NC Φ AG C1 0 1 Q1 A1037K R2 2 2K VO CNCCD 2 C2 0 1 C1 22 25 AG 5VA CNCCD 3 AG CNCCD 4 AG CNCCD 5 AG CNCCD 6 AG PHIT CNCCD 1 PHI2 CNCCD 8 PHI1 CNCCD 7 Φ Φ 8 AG AG AG PHI1 PHI2 TG 5 CCD PWB circuit 6 21 CCD PWB parts layout FO 4500H ...

Page 140: ...rol PWB parts layout Printer 2nd transport PWB parts layout Note Since the parts of this PW can not be supplied change it as a unit Note Since the parts of this PW can not be supplied change it as a unit 6 22 FO 4500H ...

Page 141: ...M E M O 6 23 FO 4500H ...

Page 142: ...DCN IMAGE SIGNAL Document ejected Recording papor ejected Receive side G3 communication CED Transmitter side Document inserted into document sensor during standby To recording position DCS Cut line printed IMAGE SIGNAL Cut line printed IMAGE SIGNAL IMAGE SIGNAL Next page insert command 1st page Document inserted to the reading position DCS FO 4500H 7 1 ...

Page 143: ...ed STOP key WAIT A MOMENT display START NO YES STAND BY 3 sec NO MEMORY CLEAR display NO YES STAND BY 3 sec NO NO START key COPY key STOP key NO Memory clear STAND BY 2 1 MEMORY CLEARED display Memory clear PROCESS CHECK MODE MEMORY CLEARED display YES FO 4500H 7 2 ...

Page 144: ...onnector CNEXTB of extension board EXT B 7 Connect the extension board EXT B to the connector CNLIU of control PWB 8 Connect the extension cables 10 types pulled out from the unit to the control PWB Cable parts code Connector Remark QCNW 4597SCZZ CNCCD Control PWB QCNW 4598SCZZ CNSEN QCNW 4599SCZZ CNPW QCNW 4600SCZZ CNRS QCNW 4601SCZZ CNPN QCNW 4602SCZZ CNLED QCNW 4604SCZZ CNSTP QCNW 4605SCZZ CNRO...

Page 145: ...unit When checking the TEL LIU PWB the extension cable QCNW 4609SCZZ and extension board EXT B are not used 7 Connect the TEL LIU PWB to be checked to the connector CNLIU of control PWB 8 Connect the extension cables 10 types pulled out from the unit to the control PWB 9 Fit the speaker unit and hook switch unit of left upper panel as an assembly in the TEL LIU PWB to be checked Extension board co...

Page 146: ...R 4pin CNTXMA CNTXMB 2 AB 10 QCNCM2482SC2F CONNECTOR 26pin CNEXTA CNEXTB 2 AG 11 QCNCM2524SC3B CONNECTOR 32pin CNPRTA CNPRTB 2 AP 12 QCNCW2436SC2F CONNECTOR 26pin CNLIUA 1 AG 13 QCNCM2531SC2F CONNECTOR 26pin CNLIUB 1 AK 14 QCNW 4597SCZZ CABLE 8pin CNCCD 1 AN 15 QCNW 4598SCZZ CABLE 6pin CNSEN 1 AL 16 QCNW 4599SCZZ CABLE 12pin CNPW 1 AQ 17 QCNW 4600SCZZ CABLE 18pin CNRS 1 AU 18 QCNW 4601SCZZ CABLE 2...

Page 147: ...e black level trough is delayed 528µsec from the trigger sync signal φT PHIT See Fig 5 0 1msec Div 100mV Div Maximum Fig 1 Note Above shows correct CCD output but focus need adjusting as in step 8 7 If after adjusting CCD output in step 6 scope reads the same as in Fig 2 run a test copy Focus should be OK Note If the lens and lens holder have not been moved You may skip step 8 8 Remove the lock pa...

Page 148: ...o produce a white level at the center and black levels near the center and 8 lines mm black and white pattern in other locations Adjustment should be made so that the center of the white level signal is delayed 528µsec from the sync signal PHIT If this is not obtained the copy image may be shifted left or right causing incouplete scanning AVO PHIT CCD signal AVO Sync signal PHIT GND DG DG Control ...

Page 149: ...Scanner unit Fig 6 Optical adjustment tool Fig 7 Fig 8 FO 4500H 8 6 ...

Page 150: ...DRESS ADDRESS DIRECT MEMORY ACCESS CONTROLLER BUS STATE CONTROLLER USER BREAK CONTROLLER PORT B DATA ADDRESS A17 A18 A19 A20 CS0 CS1 CASH CS2 CS3 CASL A21 PA0 CS4 TIOCA0 PORT A PA1 CS5 RAS PA2 CS6 TIOCB0 PA3 CS7 WAIT PA4 WRL WR PA6 RD PA7 BACK PA8 BREQ PA9 AH IRQOUT PA5 WRH LBS PA10 DPL TIOCA1 PA11 DPH TIOCB1 PA12 IRQ0 DACK0 TCLKA PA13 IRQ1 DREQ0 TCLKB PA14 IRQ2 DACK1 PA15 IRQ3 DREQ1 16KB SH7020 3...

Page 151: ...XIN XOUT CK16M DA11 0 RAS1B RAS0B CASB DWEB DRMTYPE DRMSIZE HSYNC PDATA ETBSYB TODB PRRDYB EPRDYB CPRDYB CTBSYB PRINTB PCURESB LD7 0 RS RW E LEDEN1 2 LED10 8 SEN7 0 READ IMAGE PROCESS LSI I F IMAGE BUS DMA CONTROLLER INTERNAL RAM 512 BYTE TABLE ROM 128 BYTE EXTERNAL RAM CONTROLLER RESET CIRCUIT TEST CIRCUIT PANEL I F DRAM CONTROLLER INTERNAL REGISTER IMAGE BUS ARBITER CLOCK DIVISION SMOOTHING PROC...

Page 152: ... 8947 XXX LH5116NA 10 IC20 21 VHiLH5268TH10 LH5268 IC109 VHiBA10339F 1 BA10339F 22 11 13 15 16 17 24 6 25 2 3 4 5 7 12 18 19 27 26 20 8 9 10 23 21 14 28 A9 A8 A12 A7 A6 A5 A4 I O1 OE WE I O2 I O3 I O4 I O5 I O6 I O7 I O8 MEMORY ARRAY 256 x 256 ROW SELECTOR INPUT DATA CONTROL COLUMN I O CIRCUITS COLUMN SELECT A1 A0 A11 A10 VCC GND A3 A2 1 14 28 15 CE2 CE1 1 OUT2 2 OUT1 3 VCC 4 IN1 5 IN1 6 IN2 7 IN2...

Page 153: ...Y 2A 2B 2Y VCC 4B 4A 4Y 3B 3A 8 3Y 7 GND IC100 VHiNJM2904M 1 NJM2904M 1 A B 2 3 4 8 7 6 5 IC110 VHiBU4053BCF1 BU4053BCF 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Y1 Y0 Z1 Z Z0 INHIBIT VEE VSS VDD Y X X1 X0 A B C TOP VIEW Y0 Z1 Z Z0 Inhibit Y X X1 X0 A B Y1 C IC112 VHiMC74HC04F MC74HC04AF 14 13 12 11 10 9 1 2 3 4 5 6 1A 1Y 2A 2Y 3A 3Y VCC 6A 6Y 5A 5Y 4A 8 4Y 7 GND IC103 VHiPST591CMT1 PST591C 4 3 1 2 L...

Page 154: ...0 29 28 27 26 25 24 23 22 21 20 19 18 17 I O4 I O5 I O6 I O7 I O8 CE1 A10 OE A11 A9 A8 A13 WE CE2 A15 VCC TOP VIEW Pin name A0 A15 I O1 I O8 CE1 CE2 WE OE VCC GND N C Signal Address input Data input output Chip enable1 2 input Write enable input Output enable input 5V power Ground Non connection IC105 VHiNJU4051M 1 NJU4051BM 6 11 10 9 13 14 15 12 Inhibit Controls 15 Common Out In 1 Switches In Out...

Page 155: ...C I O A Internal reference voltage smoothing terminal External capacitor 1µF connection 14 VH OUT A Voltage output for VRHF and VRLM generation Terminal voltage 3 65V 15 AGND PS Analog GND power supply 16 DGND PS Digital GND power supply 17 PHISH IN D Control input for sample hold L Sample H Hold 18 ADCK IN D Reference clock input for AD converter 19 B0 OUT D AD converter data output B0 LSB 20 B1 ...

Page 156: ... YYWW XXX No Function Description 1 I O DATA pin I O select pin H Data input L Data output When however CE pin is in L DATA pin is in high impedance 2 XT Crystal oscillator connection pin f 32 768KHz 3 XT For the capacity of Cg and Cd refer to the series composition table 5 CE Chip enable input pin built in pull down resistor H DATA pin allows data input output L DATA pin is in high impedance 6 CL...

Page 157: ... 1 10 Paper take up unit 2 11 Transfer unit 12 Fusing unit 13 2nd transport unit 14 Cassette 15 Packing material Accessories 16 Control sub PWB unit 17 TEL Liu PWB unit 18 Power supply PWB unit 19 CCD PWB unit 50 Hardware parts Index CONTENTS Because parts marked with is indispensable for the machine safety maintenance and operation it must be replaced with the parts specific to the product specif...

Page 158: ... 14 B15 B11 B4 B11 B11 B11 B11 62 49 26 63 22 B11 B11 B11 37 37 37 45 43 1 42 B13 60 59 B13 20 80mm B11 B11 B11 25 B11 B11 B11 B11 B11 B11 B11 B14 B12 53 52 54 20 B11 B11 B11 4 50 51 40 6 B11 23 21 28 27 55 B9 B14 B14 58 67 B10 W2 W2 2 B14 SCANNER UNIT PRINTER UNIT 2ND TRANSPORT UNIT 8 B11 46 61 100mm 66 62 63 69 70 B9 B11 71 73 FO 4500H 1 ...

Page 159: ...35 PGIDP2454SCZZ AG N C Hopper guide right 36 PGIDP2455SCZZ AF N C Hopper guide left 37 PGUMS2135SCZZ AC N C Foot 38 PHOP 2091SCZZ AU N C Hopper 40 PSHEZ3303SCZZ AG N C TEL Liu PWB sheet 42 QCNW 4559SCZZ BA N C Printer cable 43 QCNW 4563SCZZ AP N C Power cable 45 RDENT2104SCZZ BT N E Power supply PWB unit 46 LHLDW2158SCZZ AC N C Wire holder 48 PHOG 2073SCZZ AF N C Edging 49 LPLTM2856SCZZ AG N C Bo...

Page 160: ...2 Exterior etc 2 3 Operation panel unit 1 3 2 4 5 4 4 B10 B10 B10 B10 B10 B10 B10 B8 B8 7 3 2 10 13 13 12 11 4 5 9 7 8 6 1 B17 B17 B17 14 FO 4500H 3 ...

Page 161: ...SCRIPTION 1 DCEKP496ASC01 BC N E Operation panel PWB unit 2 GCASP2083SCYC AT N D Panel case 3 HPNLC2370SCZZ AK N C Decoration panel 4 JBTN 2184SCZZ AK N C 12 key 5 JBTN 2185SCZZ AH N C Direct key 6 JBTN 2186SCZZ AE N C Start key 7 JBTN 2187SCZZ AE N C Stop key 8 JBTN 2188SCZZ AE N C Mode key 9 JBTN 2189SCZZ AE N C Change key 10 LPLTP2823SCZZ AF N C Page plate 11 QCNW 4554SCZZ AU N C Panel cable 12...

Page 162: ...t guide upper unit 5 Optical unit 6 Drive unit 11 B7 B7 20 B7 3 10 10 13 21 8 4 2 19 5 9 17 7 18 21 15 1 1 14 12 16 20 6 12 5 B12 B12 B2 10 13 4 B6 B12 1 B12 12 8 8 2 3 9 7 6 3 1 8 2 4 5 6 7 B3 B3 B8 FO 4500H 5 ...

Page 163: ... C Separator sheet 20 QCNW 4560SCZZ AD N C Electro static discharger cable 21 LBNDJ2007SCZZ AA C Band 5 Optical unit NO PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION 1 DCEKD495ASC01 AZ N E CCD PWB unit 2 LANGH2803SCZZ AF N C Lens holder plate 3 LHLDP2155SCZZ AG N C Lens holder 4 LPLTP2832SCZA AF N C Mirror hold plate left 5 LPLTP2833SCZA AF N C Mirror hold plate right 6 MSPRP2842SCZZ AC N C...

Page 164: ...ner frame unit 8 Housing unit 34 14 5 5 20 23 W1 17 5 1 5 5 33 16 12 15 31 29 6 19 B8 22 18 3 30 21 24 2 13 B8 B11 B8 11 B8 9 10 31 8 26 26 35 B8 B8 7 4 B8 W4 W3 3 4 22 22 6 21 11 23 5 19 17 22 22 FO 4500H 7 ...

Page 165: ...18 NGERH2323SCZZ AD N C Paper feed gear 19 NROLR2337SCZZ AH N C Transfer roller 20 NROLR2338SCZZ AK N C Paper feed roller 21 NROLR2339SCZZ AM N C Transfer roller 1 22 NSFTZ2260SCZZ AG N C Paper feed roller shaft 1 23 NSFTZ2261SCZZ AH N C Paper feed roller shaft 2 24 NSFTZ2262SCZZ AE N C Pinch roller shaft 26 PSHEZ3208SCZZ AC N C Dustproof sheet 29 QCNW 4562SCZZ AK N C Document Front sensor cable 3...

Page 166: ...71 74 20 19 17 15 76 72 16 29 71 73 30 31 28 27 32 34 33 35 75 75 22 21 21 24 20 76 7 5 3 4 71 72 1 68 75 72 78 65 72 2 75 67 76 26 25 23 57 10 74 64 63 62 62 70 51 70 49 48 47 46 52 53 37 55 42 36 38 37 60 61 70 41 43 44 40 70 54 39 58 FO 4500H 9 ...

Page 167: ...50601 AF N C Gear 20 41T 36 0KW9335141031 BA B Photo interrupter PC1 37 0KW0992301401 AD N C Bushing 38 0KW0992301102 AD N C Gear 16T 39 0KW0992621213 AV B Solenoid SL1 40 0KW0992350301 AD N C Ground plate 41 0KW0992350205 AN N C Holder 42 0KW0992301804 AD N C Torsion spring 43 0KW0992300601 AD N C Roll 44 0KW0992303505 AF N C Holder Roll 46 0KW0992304101 AC N C Pressure spring 47 0KW0992075101 BB...

Page 168: ... 47 48 38 54 6 8 10 11 9 49 12 50 16 15 17 10 44 20 18 10 46 33 19 57 56 30 10 29 42 58 1 4 3 2 32 55 31 51 27 21 22 23 56 54 57 25 24 53 28 41 13 14 37 5 22 23 7 4 21 6 5 6 8 4 24 10 11 12 13 14 5 9 16 15 23 17 18 19 24 20 23 2 25 3 1 FO 4500H 11 ...

Page 169: ... 0KW0992305301 AC N C Plate 42 0KW0992305501 AG N C Sponge 44 0KW0992320801 AC N C Polyester film 46 0KW0910362001 AC N C C Ring 47 0KW0997605201 AM N C Harness 48 0KW0997630101 AN B Photo interrupter 49 0KW0997231203 AH N C Holder 50 0KW0957010101 AZ E Laser diode drive PWB PWB G 51 0KW0997605101 AL N C Harness 53 0KW0992380301 AF N C Sheet 54 0KW9739030813 AB C Screw 55 0KW9735030813 AC N C Scre...

Page 170: ...ing 18 0KW0992553103 AF N C Frame LFT 19 0KW0992551713 AC N C Pressure spring 20 0KW0992606604 AQ N C Harness 21 0KW0992552401 AD N C Terminal 22 0KW0992563401 AD N C Bracket 23 0KW0957551101 AK N C Bushing 24 0KW0992554001 BF C Fusing roller UPR 25 0KW0992554101 BR C Fusing roller LWR 26 0KW0992671501 AZ B Thermistor TH1 27 0KW0992562601 AN N C Terminal 28 0KW0992671301 BB B Thermostat S3 29 0KW0...

Page 171: ...5 0KW0928301902 AL N C Clutch spring 16 0KW4150183101 AG N C Holder 17 0KW4150183301 AF N C Gear 18T 18 0KW4150620101 BT B Solenoid 19 0KW4150102902 AH N C Gear 13 45T 20 0KW0957251103 AG N C Gear 41T 23 0KW4150020201 AX N C Mounting plate 26 0KW0992304001 AC N C Pin 27 0KW4150104301 AR C Roller 28 0KW4150181901 AP N C Shaft 29 0KW4150183602 AH N C Actuator 30 0KW4150181703 AN N C Plate spring 31 ...

Page 172: ...e 9 0KW4150182602 AF N C Guide cushion 10 0KW0933390302 AT N C Regulating plate 11 0KW0933392301 AN N C Separator 12 0KW4150182712 AK N C Guide 13 0KW4150731312 AF N D Label 14 0KW9739030813 AB C Screw 15 LX BZ0175FCZZ AB C Screw 16 MLEVP2242SCRZ AF N C Cassette lock lever right 17 MLEVP2242SCLZ AF N C Cassette lock lever left 18 0KW4150186601 AF N C Plate nut 19 MSPRC2888SCZZ AC N C Lever rturn s...

Page 173: ...n manual 5 SPAKP4946SCZZ AP N D Vinyl cover 6 CPAKA4863SC01 AZ N D Packing case bottom ass y 11 CPLTP2803SC01 AU N C Document tray ass y 12 CPLTP2805SC01 AQ N C Paper tray ass y 15 SPAKA4861SCZZ AQ N D Packing add top right 16 SPAKA4944SCZZ AR N D Packing add top left 18 QCNW 4494SCBK AF C Telephone line cord 20 SPAKC139ASCZZ AW N D Packing case top 21 SPAKA4996SCZZ AC N D Printer sheet 23 SPAKA00...

Page 174: ...00PF C122 39 VCKYTV1CF105Z AB C Capacitor 16WV 1 0µF C123 40 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C124 41 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C125 42 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C126 43 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C127 44 VCCCTV1HH100D AA C Capacitor 50WV 10PF C130 45 VCKYTV1CF105Z AB C Capacitor 16WV 1 0µF C131 46 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C132 47...

Page 175: ...CKYTV1EF104Z AA C Capacitor 25WV 0 10µF C227 119 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C228 120 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C229 121 VCKYTV1CF105Z AB C Capacitor 16WV 1 0µF C230 122 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C231 123 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C232 124 VCKYTV1EF104Z AA C Capacitor 25WV 0 10µF C233 125 VCCSTV1HL102J AA C Capacitor 50WV1000PF C234 126 VCK...

Page 176: ...AFXL 1 BM B IC R144EFXL IC4 204 QSOCZ2051SC32 AC C IC socket 32pin IC5 VHI27040FBG0F BH B IC EPROM 4MB IC5 206 VHILH28F80S10 BH N B IC LH28F800SUT IC6 207 VHI4M16SOJ 70 BG N B IC 514260 70J IC7 208 VHIM5255CF70L AW B IC M5M5255CFP 70LL IC8 209 VHI4M8SOJ 70 BB N B IC 514800 70J IC9 210 VHI4M16SOJ 70 BG N B IC 514260 70J IC10 211 VHI4M8SOJ 70 BB N B IC 514800 70J IC11 212 VHIH647702120 BS N B IC HD6...

Page 177: ... 10Ω 5 R113 284 VRS TV2AB100J AD C Resistor 1 10W 10Ω 5 R114 285 VRS TV2AB100J AD C Resistor 1 10W 10Ω 5 R115 286 VRS TV2AB100J AD C Resistor 1 10W 10Ω 5 R116 287 VRS TV2AB000J AA C Resistor 1 10W 0Ω 5 R117 288 VRS TV2AB000J AA C Resistor 1 10W 0Ω 5 R118 289 VRS TV2AB000J AA C Resistor 1 10W 0Ω 5 R120 290 VRS TV2AB151J AA N C Resistor 1 10W 150Ω 5 R123 291 VRS TV2AB151J AA N C Resistor 1 10W 150Ω ...

Page 178: ... 4 7KΩ 5 R207 366 VRS TV2AB472J AA C Resistor 1 10W 4 7KΩ 5 R209 367 VRS TV2AB472J AA C Resistor 1 10W 4 7KΩ 5 R210 368 VRS TV2AB472J AA C Resistor 1 10W 4 7KΩ 5 R211 369 VRS TV2AB472J AA C Resistor 1 10W 4 7KΩ 5 R213 370 VRS TV2AB472J AA C Resistor 1 10W 4 7KΩ 5 R214 371 VRS TV2AB204J AA C Resistor 1 10W 200KΩ 5 R215 372 VRS TV2AB184J AD C Resistor 1 10W 180KΩ 5 R216 373 VRS TV2AB102J AA C Resist...

Page 179: ...S TV2AB113J AA C Resistor 1 10W 11KΩ 5 R313 446 VRS TV2AB432J AA C Resistor 1 10W 4 3KΩ 5 R316 447 VRS TV2AB000J AA C Resistor 1 10W 0Ω 5 R318 448 VRS TV2AB332J AA C Resistor 1 10W 3 3KΩ 5 R327 449 VRS TV2AB752J AA C Resistor 1 10W 7 5KΩ 5 R328 450 VRS TV2AB332J AA C Resistor 1 10W 3 3KΩ 5 R329 451 VRS TV2AB103J AA C Resistor 1 10W 10KΩ 5 R331 452 VRS TV2AB113J AA C Resistor 1 10W 11KΩ 5 R332 453 ...

Page 180: ...µF C108 22 VCKYTV1HF223Z AA C Capacitor 50WV 0 022µF C109 23 VCKYTV1HF223Z AA C Capacitor 50WV 0 022µF C110 24 VCKYTV1HB102K AA C Capacitor 50WV1000PF C112 25 VCKYTV1HB102K AA C Capacitor 50WV1000PF C113 26 VCKYTV1HB471K AA C Capacitor 50WV 470PF C118 27 VCKYTV1HF223Z AA C Capacitor 50WV 0 022µF C119 28 RRLYZ3411SCZZ AR B Relay CML 29 QCNCM2456SC2F AG C Connector 26pin CNLIU 30 QCNCM688BAFZZ AC N ...

Page 181: ...J AA C Resistor 1 10W 220Ω 5 R111 97 VRS TV2AB221J AA C Resistor 1 10W 220Ω 5 R112 98 VRS TV2AB133J AA C Resistor 1 10W 13KΩ 5 R113 99 VRS TV2AB103J AA C Resistor 1 10W 10KΩ 5 R114 100 VRS TV2AB221J AA C Resistor 1 10W 220Ω 5 R115 101 VRS TV2AB104J AA C Resistor 1 10W 100KΩ 5 R116 102 VRS TV2AB100J AD C Resistor 1 10W 10Ω 5 R117 103 VRS TV2AB103J AA C Resistor 1 10W 10KΩ 5 R118 104 VRS TV2AB000J A...

Page 182: ...ode 1SS178 D705 41 0AV3070099000 AC N B Zenner diode D706 42 0AV3050066000 AH B Diode YG901C2 D707 43 0AV3050030000 AA B Diode 1SS178 D708 44 0AV3050075000 AF B Diode D2S4M 4004P15 D709 45 0AV3070099000 AC N B Zenner diode D710 46 0AV3050030000 AA B Diode 1SS178 D711 47 0AV5060074000 AG N A Fuse 250V 4A F701 48 0AV5070000012 AF A Thermal cutoff 127 C F702 49 0AV5060073000 AG N A Fuse 250V 4A F703 ...

Page 183: ...0 AF N B Triac TR701 111 0AV5190003000 AF B Varistor X701 112 0AV5050008000 AC C Fuse holder 113 0AV5180006000 AD C Terminal 114 0AV6114084711 AH C Heat sink 115 0AV6114085811 AK C Bracket 116 0AV6114086811 AE C Heat sink 117 0AV7510013000 AB N C Tube 118 0AV7700017000 AD C Bush 119 0AV8117730514 AB C Screw B3 10 120 0AV8130730414 AB C Screw B3 8 Unit 901 RDENT2104SCZZ BT N E Power supply PWB unit...

Page 184: ...DE PRICE RANK NEW MARK PART RANK DESCRIPTION B17 XUBSD20P06000 AA C Screw 2 6 W1 XRESJ50 06000 AA C E type ring 5mm W2 XWHSD30 08100 AA C Washer φ3 W3 LX WZ2009SCZZ AA C Washer t0 25 W4 XWHJZ62 02512 AA N C Washer t0 25 FO 4500H 27 ...

Page 185: ...2262SCZZ 7 24 AE N C NSFTZ2263SCZZ 4 15 AD N C P PBRS 2047SCZZ 4 16 AG N C PCAPH2020SCZZ 1 62 AT C PCUSG2070SCZZ 1 64 AB C PCUSS2097SCZZ 3 13 AC N C PCUSS2103SCZZ 1 65 AC N C PCUSU2101SCZZ 7 35 AC N C PGIDP2454SCZZ 1 35 AG N C PGIDP2455SCZZ 1 36 AF N C PGIDP2456SCZZ 4 17 AT N C PGIDP2459SCZZ 2 2 AS N C PGLS 2057SCZA 2 3 AF N C PGUMS2135SCZZ 1 37 AC N C PHOG 2073SCZZ 1 48 AF N C PHOP 2091SCZZ 1 38 ...

Page 186: ...17 17 AA C VCKYTV1HB102K 17 24 AA C 17 25 AA C VCKYTV1HB103K 16 148 AB C 17 20 AB C VCKYTV1HB222K 16 38 AA C 16 48 AA C 16 53 AA C 16 62 AA C 16 64 AA C 16 69 AA C 16 70 AA C 16 71 AA C 16 72 AA C 16 73 AA C 16 74 AA C 16 75 AA C 16 76 AA C 16 80 AA C 16 81 AA C 16 82 AA C 16 83 AA C 16 84 AA C 16 85 AA C 16 88 AA C 16 91 AA C 16 96 AA C 16 99 AA C 16 102 AA C 16 112 AA C 16 144 AA C VCKYTV1HB333K...

Page 187: ... 308 AD C 16 309 AD C 16 310 AD C 16 311 AD C 16 312 AD C 16 320 AD C 16 321 AD C 16 322 AD C 16 323 AD C 16 333 AD C 16 334 AD C 16 335 AD C 16 336 AD C 16 337 AD C 16 360 AD C 16 361 AD C 16 362 AD C 16 401 AD C 16 402 AD C 17 102 AD C VRS TV2AB101J 16 247 AA C 16 248 AA C 16 249 AA C 16 250 AA C 16 251 AA C 16 252 AA C 16 253 AA C 16 254 AA C 16 255 AA C 16 331 AA C 16 363 AA C 16 383 AA C 16 3...

Page 188: ...AV1390000124 18 5 AT N C 0AV1390000125 18 28 AC N C 0AV1390000126 18 29 AC N C 0AV1471020090 18 13 AB C 0AV1474720090 18 10 AB C 0AV1540000003 18 12 AE C 0AV1540000004 18 1 AF C 18 2 AF C 0AV1610000004 18 30 AC C 0AV1610000029 18 14 AC C 0AV1610000046 18 3 AD C 18 4 AD C 0AV1610000047 18 6 AC C 18 26 AC C 0AV1610000054 18 8 AD C 0AV1610000060 18 9 AC C 0AV1610000061 18 11 AD C 0AV1610000062 18 24 ...

Page 189: ...1 10 42 AG N C 0KW0992310401 10 28 AL N C 0KW0992320102 10 20 AG N C 0KW0992320701 10 18 AF N C 0KW0992320801 10 44 AC N C 0KW0992350102 9 49 AR N C 0KW0992350205 9 41 AN N C 0KW0992350301 9 40 AD N C 0KW0992370601 12 35 AF N C 0KW0992370701 11 6 AD N C 0KW0992370901 11 5 AD N C 0KW0992371101 11 3 AD N C 0KW0992380101 11 21 AF N C 0KW0992380202 11 22 AH N C 0KW0992380301 10 53 AF N C 0KW0992381501...

Page 190: ...14 14 AB C 0KW9742030813 9 70 AB N C 10 57 AB N C 11 25 AB N C 13 35 AB N C 0KW9742031013 13 36 AB N C 0KW9743030813 13 37 AB N C 0KW9770030613 13 38 AC N C 0KW9770030813 9 74 AC N C PARTS CODE NO PRICE RANK NEW MARK PART RANK PARTS CODE NO PRICE RANK NEW MARK PART RANK FO 4500H 33 ...

Page 191: ...mukaisesti French ATTENTION Il y a danger d explosion s il y a remplacement incorrect de la batterie Remplacer uniquement avec une batterie du même type ou d un type recommandé par le constructeur Mettre au rébut les batteries usagées conformément aux instructions du fabricant Swedish VARNING Explosionsfare vid felaktigt batteribyte Använd samma batterityp eller en ekvivalent typ som rekommenderas...

Page 192: ...val system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 01 Japan Printed in U K 9712 403NS IS J FO 4500H ...

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