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Ricoh B234, Руководство по обслуживанию и устранению неисправностей

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Ricoh B234 Скачать руководство пользователя страница 70

SERVICE CALL CONDITIONS 

B234/B235/B236/D101/D102/D103 

4-68 

SM 

 

Spine Fold HP Sensor: Left (S60) Error 

SC796-4 

A 

The spine fold plate did not reach the left 
HP sensor (the sensor did not go ON) within 
the prescribed time after the left spine fold 
plate motor turned on. 
-or- 
The spine fold plate did not leave the left 
HP sensor position (the sensor did not go 
OFF within the prescribed time). 
 

•

  Spine fold plate motor: left 

(M28) defective 

•

  Spine fold HP sensor: left 

(S60) defective 

•

  Sensor connector loose, 

broken, defective 

 

Spine Fold Close Sensor: Left (S61) Error 

SC796-5 

A 

The sensor did not turn ON within the 
prescribed time, or the sensor was 
already OFF when the spine fold plate 
was supposed to move from the closed 
to the open position. 
-or- 
The sensor did not go OFF within the 
prescribed time after the spine fold plate 
motor: left turned on to open the spine 
fold plate, or the sensor was already ON 
when the spine fold plate was supposed 
to move from the open to the closed 
position. 

•

  Spine fold plate motor: left 

(M28) defective 

•

  Spine fold close sensor: left 

(S61) defective 

•

  Sensor connector loose, 

broken, defective 

 

Dual Spine Plate Sensor Error: Left 

SC796-6 

A 

The spine plate HP sensor (S60) 
and spine plate close sensor (S63) 
turned ON at the same time. 

•

  Spine fold HP sensor: left (S60) 

defective 

•

  Spine fold close sensor (S63) 

defective 

•

  A sensor connector loose, broken, 

defective 

 

Spine Fold HP Sensor: Right (S66) Error 
The spine fold plate did not reach the right HP sensor within the prescribed 
time (sensor did not go ON) after the spine fold plate motor (M29) turned on 
to open the fold plate, or the right HP sensor was already OFF when the 
spine fold plate was supposed to move from the open to the closed position. 
-or- 
The spine fold plate did not leave the right HP sensor position (sensor did not 
go OFF) within the prescribed time after the spine fold motor: right turned on 
to close the fold plate. 

SC796-7 

A 

•

  Spine fold motor: right (M29) defective 

•

  Spine fold HP sensor: right (S66) defective 

•

  Connector loose, broken, defective 

 

Содержание B234

Страница 1: ...HOOTING REVISION HISTORY Page Date Added Updated New 5 09 07 2006 Updated Information Paper Jam Codes 26 27 11 21 2006 Updated Information Service Call Conditions 51 52 09 07 2006 Updated Information...

Страница 2: ......

Страница 3: ...in the machine may be corrupted Because of this it may not be possible to restart the downloading program In addition if the GW controller software cannot be downloaded other software on other SD card...

Страница 4: ...ne off on Set DIP SW 1 to ON and retry Replace RAM DIMM Replace controller board Controller ROM update error 5 05 Download Error E05 Power off on Error occurs when writing to the device Cycle the mach...

Страница 5: ...2 Module ID Card No xx xx Download interrupted because card is not correct or power failure interrupted download Use the correct card If power failure caused the failure remove the card and insert ano...

Страница 6: ...with the start up SD card that has the source data Set controller DIPSW 1 to ON to force the machine to write If you cannot force the machine to write replace the controller board Download invalid 50...

Страница 7: ...tion of the jammed paper becomes lit does not flash in the graphic illustration A jam code is displayed on the operation panel to indicate the cause and location of the jam For more details please ref...

Страница 8: ...Z4 25 Duplex Transport Sensor 2 Late Z4 26 Duplex Transport Sensor 3 Late Z1 27 Duplex Inverter Sensor Late Z1 28 Duplex Inverter Relay Sensor Late A 53 1st Paper Feed Sensor Lag A3 54 2nd Paper Feed...

Страница 9: ...ed Out Belt Motor R1 3 118 Punch Motor R4 8 119 R4 8 120 Pre Stack Transport Motor R1 3 121 Cover Interposer Tray B835 Display No Jam Cause Q1 130 1st Paper Feed Sensor Late Q1 131 1st Paper Feed Sens...

Страница 10: ...t M7 11 176 Booklet Stapler Front M7 11 177 Booklet Stapler Rear M7 11 178 Stack Junction Gate Motor M7 11 179 Clamp Roller Retraction Motor M7 11 180 Bottom Fence Lift Motor M7 11 181 Fold Plate Moto...

Страница 11: ...rator Tool and then set Service Mode Lock to OFF After he or she logs in Operator Tools System Settings Administrator Tools Service Mode Lock OFF This unlocks the machine and lets you get access to al...

Страница 12: ...sable only the features that use the defective item These SCs are not shown to the operator under normal conditions They are displayed on the operation panel only when the defective feature is selecte...

Страница 13: ...machine cannot display the SC number If this occurs check the SC number after leaving the SP mode If you set SP 5875 to on the machine reboots automatically when the machine issues a Level B D SC code...

Страница 14: ...tion 300 Charge 320 Image Writing Exposure 340 Development 360 Image Memory 400 Transfer 410 Separation 420 Cleaning 430 Quenching 440 Drum 490 Other Feed Transport Duplexing Fusing 500 Feed Transport...

Страница 15: ...the OFF condition during initialization or copying Scanner home position sensor defective Poor connection between HP sensor and MCU board Scanner motor control unit MCU board defective Scanner wire ti...

Страница 16: ...ner motor defective high torque Overload on scanner drive mechanism MCU board defective scanner motor unit control Scanner Motor Error 2 SC126 B The scanner motor does not stop within 15 mm after the...

Страница 17: ...utomatic gain control failed to achieve a value within the range 7 to 0 of the target value 128 Standard white plate defective dirty Moisture inside the scanner unit SBU IPU harnesses defective BCU IP...

Страница 18: ...Unit Fan Error Scanner Intake Fan SC180 B The MCU issued a lock signal fro the scanner intake fan rear right Fan MCU SIB harnesses loose or defective Scanner intake fan motor defective MCU defective S...

Страница 19: ...IB defective Scanner Unit Fan Error Scanner Unit Exhaust Fan SC187 B The MCU issued a lock signal for the the scanner unit exhaust fan rear left Scanner unit harness loose defective Fan MCU harness lo...

Страница 20: ...defective BCU defective Polygon Motor Error 4 Unstable Timeout SC205 B The machine detected that the polygon mirror motor signal went inactive at some time other than While an image was being created...

Страница 21: ...e off on Check the harnesses connectors of the IPU Controller BCU GAVD on the IPU board defective Controller defective BCU defective FGATE Error 2 Signal Failed to Turn Off SC231 B The FGATE signal di...

Страница 22: ...d to return to its home position Connectors between motor and IOB loose broken defective Charge wire dirty defective broken Wire cleaning pad defective Motor or motor board in motor unit defective Pre...

Страница 23: ...w Lower Limit SC364 C The result of the check of the TD sensor output Vt after every copy for 10 continuous copies was Vt 0 5V out of range TD sensor dirty or defective TD sensor connector to BCU loos...

Страница 24: ...nt correct PWM value is used for control The value displayed by SP3103 ID Sensor Output Display is the actual incorrect value ID Sensor Error 2 Background Output Error SC401 C One of the following con...

Страница 25: ...seconds ID sensor harness connector is loose broken or defective ID sensor dirty ID sensor defective IOB defective LD Unit defective BCU defective Development power pack defective NOTE The SC code is...

Страница 26: ...speed or the value of SP3904 002 could not be attained for low speed mode The LD power adjustments exceeded the upper and lower limits 185 and 70 Drum potential sensor harness connector is loose broke...

Страница 27: ...730V Drum potential sensor harness connector loose broken defective Drum potential sensor defective LD unit defective pattern could not be created Transfer Output Error SC440 B One of the following c...

Страница 28: ...tion Error SC488 C The push switch signal from the cleaning blade solenoid was incorrect The signal is detected 1 sec after the solenoid operates 2nd blade solenoid connector loose broken defective 2n...

Страница 29: ...inder Toner end sensor in the toner supply cylinder defective Agitator in the toner supply cylinder defective Toner supply cylinder agitator motor defective Toner Collection Bottle Error SC496 B The t...

Страница 30: ...has stopped the tray and motor 3rd pick up solenoid connector is loose 3rd pick up solenoid is blocked by an obstruction 4th Tray LCT Tray 1 Lift Malfunction SC504 D One of the following conditions i...

Страница 31: ...e bypass tray lift sensor is not activated for 10 s after the tray lift motor turned on Upper limit is not detected within 10 s while the paper tray is lifting during paper feed The bypass tray lift s...

Страница 32: ...Thermistor out of position Fusing Overheat Error 1 Software SC543 A A fusing temperature of over 210 C is detected for 5 s by the fusing thermistor This prevents the fusing lamps from switching on wi...

Страница 33: ...The calibration of the double feed LED for the paper type failed reach the target voltage The print job completed without the double feed detection operating The target voltages are Normal paper 3 0V...

Страница 34: ...DF 2 SC621 B The machine detected a break signal LOW from the line connection between the BCU and ADF Serial line connection unstable Harness connectors between ADF and BCU loose broken defective Comm...

Страница 35: ...he error code The error code is not displayed on the operation panel Here is a list of error codes Error Problem Solution 1 Failure to certify dial up In the User Tools check the dial up user and dial...

Страница 36: ...ld not exchange the handshake FDH and acknowledge FEH signals within 15 s of the operation panel reset after power on or after 2 retries there was no response to the transmission line confirmation com...

Страница 37: ...ctors of the bottom plate position sensor bottom plate HP sensor bottom plate motor loose broken defective Bottom plate position sensor defective Bottom plate HP sensor defective Bottom plate motor de...

Страница 38: ...efective Finisher Shift Motor Error 3K Finisher B830 SC726 D The state of the shift tray half turn sensor status did not change after the shift motor turns on Positioning roller HP sensor loose broken...

Страница 39: ...loose defective Upper transport motor blocked by an obstruction Upper transport motor defective Finisher main board defective Shift Tray Exit Motor 3K Finisher B830 SC732 D The shift tray exit motor i...

Страница 40: ...the gate at the home position for more than 200 ms after it was supposed to open Junction gate did not arrive at the home position within the specified time Junction gate did not leave the home positi...

Страница 41: ...me position sensor harnesses are broken loose or defective 2 Stapler rotation home position sensors are defective If the motor is not running 1 Motor is blocked by an obstruction 2 Motor harness is lo...

Страница 42: ...defective 3 Feed out motor defective 4 Booklet finisher main board defective Stack Plate Motor Error 1 Front Motor 3K Finisher B830 SC746 D The stack plate HP sensor front does not activate within 500...

Страница 43: ...aises or lowers The 1st detection failure issues a jam error and the 2nd failure issues this SC code Tray lift motor disconnected defective Upper tray paper height sensor disconnected defective Finish...

Страница 44: ...Motor blocked by an obstruction 2 Motor harness loose broken defective 3 Motor defective 4 Finisher main board defective Fold Plate Motor Error Booklet Finisher SC761 D The fold plate moves but The fo...

Страница 45: ...tray The upper limit sensor did not detect the bottom plate within the specified time after the lift motor switched on to lift the bottom plate The lower limit sensor did not direct the bottom plate w...

Страница 46: ...pick up roller at the home position within the specified number of pulses While the pick up roller motor was on the pick up roller HP sensor did not detect the pick up roller at the home position abo...

Страница 47: ...defective Motor blocked by an obstruction Motor defective Z Fold Lower Stopper Motor Error SC781 D The lower stopper failed to leave the home position with the specified number of motor pulses Note T...

Страница 48: ...me If the booklet stapler jogger motor is operating 1 Jogger fence HP sensor harness loose broken defective 2 Jogger fence HP sensor defective If the jogger bottom fence motor is not operating 1 Motor...

Страница 49: ...defective Motor overload Motor defective Pre punch jogger HP sensor S301 connector loose broken defective Sensor S301 defective Pre punch jogger roller HP error 792 3 D Detected at HP after the time...

Страница 50: ...or loose broken defective Motor defective Motor overload Side fence 1 HP sensor S601 connector loose broken defective Sensor defective Jogger fence 2 error 792 7 D Not detected at HP after the time pr...

Страница 51: ...m 2nd detection SC error Runout press roller motor M610 connector loose broken defective Motor defective Motor overload Runout roller HP sensor S614 connector loose broken defective Sensor defective C...

Страница 52: ...tor loose broken defective Motor overload Motor defective Ring switch HP sensor S706 connector loose broken defective or sensor defective Ring switch timing sensor S707 connector loose broken defectiv...

Страница 53: ...lt unit rotation error 792 19 D Detected at HP after the time prescribed to leave the HP had elapsed more than 800 pulses 1st detection jam 2nd detection SC error or Not detected at HP after the time...

Страница 54: ...g toward the top or The sensor did not go ON within 6 sec after the motor turned on Stacker motor M501 connector loose broken defective Motor overload Stack height sensor S502 connector loose broken d...

Страница 55: ...ceived data corrupted Cycle the machine power off on Slave control board defective Download Error SC795 1 A The version of the slave control board could not be detected at power on Communication betwe...

Страница 56: ...control board defective Cutter control board defective Download Error SC795 3 A The version of the firmware on the cutter control board could not be detected at power on Communication between the sla...

Страница 57: ...or loose broken defective 24V Check Signal Error 1 SC795 6 A The 24V1 monitor signal of the master control board did not go off even though the front door switch was closed Relay circuit failed to go...

Страница 58: ...pine Plate Upper Fan F Lock Spine Plate Upper Fan R Lock SC795 11 A A fan lock signal was detected for 1 sec during rotation of one of the upper spine plate fan motors Two retries were attempted at 12...

Страница 59: ...ing operation or The grip unit did not arrive at the HP sensor Book grip motor M43 connection loose broken defective Motor defective Grip HP sensor harness loose broken defective Sensor defective Main...

Страница 60: ...sensor left right S103 S100 harness loose broken defective Sensor defective Book Press Plate Sensor S104 Error SC795 21 A The trimmings buffer and book press plate did not move after the trimmings buf...

Страница 61: ...F again after the motor stopped Edge press plate motor M36 connections loose broken defective Motor defective Press end sensor S87 harness loose broken defective Sensor defective Press Limit Sensor S8...

Страница 62: ...rness loose broken defective Sensor defective Cutter Motor M35 Error SC795 29 A One of the following occurred The cutter blade did not move after it was moved to the rear it did not leave home positio...

Страница 63: ...HP Sensor S78 Error SC795 33 A The book buffer tray did not leave the home position The book collection buffer tray HP sensor did not go OFF within 1 sec after the book buffer tray motor M39 turned o...

Страница 64: ...it thermistor detected a temperature higher than 200C for longer than 1 sec Heater wire break or short circuit The gluing unit thermistor detected a temperature of less than 5C for more than 1 sec mor...

Страница 65: ...limit position 1 After glue was detected above the low limit mark and 2 After 12 glue packets were supplied and 3 No glue had been recently applied Glue Surface Error 2 SC795 41 A The glue surface ha...

Страница 66: ...SC795 45 A The value for the adjustment of the cover registration sensor was higher than or lower than the target range 3 2V to 3 5V Cover horizontal registration sensor small S71 defective D A conver...

Страница 67: ...n defective Motor defective Book exit sensor S64 harness loose broken defective Sensor defective Book Registration Sensor S88 Error SC795 53 A A book was not detected at the book registration sensor p...

Страница 68: ...k registration sensor went on when the system was turned on Book jam above the trimmer unit Slide motor M44 connections loose broken defective Motor defective Book registration S92 sensor harness loos...

Страница 69: ...ppers opened and closed Signature thickness sensor S50 defective Important The SC796 series SC codes apply to the Perfect Binder D391 Glue Vat HP Sensor S73 Error SC796 1 A The glue vat HP sensor at t...

Страница 70: ...spine fold plate was supposed to move from the open to the closed position Spine fold plate motor left M28 defective Spine fold close sensor left S61 defective Sensor connector loose broken defective...

Страница 71: ...efective Spine Plate Open Sensor S62 Error SC796 10 A The spine plate open sensor did not go ON within the prescribed time after the spine plate motor turned on to open the plate or The spine plate op...

Страница 72: ...efective TE press lever motor M3 defective Sensor or motor connector loose broken defective Jog Fence HP Sensor Front Small S12 Error SC796 15 A The front jog fence HP sensor in the stacking tray for...

Страница 73: ...er motor turned on to move the rear fence Jog fence HP sensor rear large S15 defective Jogger motor rear M5 defective Sensor or motor connector loose broken defective Switchback Roller HP Sensor S11 E...

Страница 74: ...Tray Overflow Sensor S6 Error SC796 22 A The stacking tray overflow sensor did not go ON within the prescribed time after the stacking tray lift motor turned on to raise the tray or The stacking tray...

Страница 75: ...over guide HP sensor did not go ON within the prescribed time after the left cover guide motor turned on Cover Guide HP Sensor Left S27 defective Cover Guide Motor Left M15 defective Sensor or motor c...

Страница 76: ...turned on to raise the sub grip unit or The sub grip HP sensor did not go OFF within the prescribe time after the sub grip lift motor turned on to lower the sub grip unit Sub Grip Lift Motor M17 defec...

Страница 77: ...ensor connector loose broken defective Signature HP Sensor S34 Error The signature HP sensor did not go ON within the prescribed time after the signature move motor turned on to move the sub grip to t...

Страница 78: ...rip HP sensor did not go ON within the prescribe time after the main grip lift motor turned on to raise the main grip unit or the main grip HP sensor was already ON when the motor started to lower the...

Страница 79: ...ise the main grip unit or The main grip high HP sensor did not go OFF within the prescribed time after the main grip lift motor turned on to lower the main grip unit Main Grip Lift Motor M22 defective...

Страница 80: ...grip close sensor did not go ON within the prescribed time after the rear grip motor turned on to close the main grip unit or The rear main grip close sensor did not go OFF within the prescribed time...

Страница 81: ...ive Main Grip Encoder Front Sensor S52 Error SC796 52 A The front main grip encoder sensor could not be detected ON OFF within 200 ms after the front grip motor turned on to open close the main grip u...

Страница 82: ...796 57 A CHECKSUM error at power on or EEPROM write error EEPROM not installed or not installed correctly EEPROM defective Inserter Drive Switch Sensor S16 Error SC796 58 A The drive switch sensor in...

Страница 83: ...y EEPROM damaged Relay board defective Relay Bookbinder Communication Error SC796 62 A Communication error between relay unit and bookbinder Relay I F cable disconnected or damaged Relay unit PCB in b...

Страница 84: ...ror SC797 3 B The trimmings buffer sensor left S103 did not go OFF within the prescribed time because it failed to leave the HP sensor or The trimmings buffer sensor left S103 did not go ON within the...

Страница 85: ...P Sensor S90 SC797 8 B The edge press plate did not go OFF within the prescribed time after the edge press plate motor turned on to press the plate against the spine of the book or The edge press plat...

Страница 86: ...o rotate the left plate through the prescribed arc for initialization Jam or overload during book rotation Book rotation motor 1 M42 defective Book rotation HP sensor 1 S91 defective Motor or sensor h...

Страница 87: ...ter the blade cradle motor M40 turned on to lower it Edge press plate or cutter interfered with movement of the blade cradle Blade cradle motor M40 defective Blade cradle HP sensor S83 defective Motor...

Страница 88: ...n succession during the glue replenishment cycle Glue has clogged in the vat Glue supply defective Glue level thermistor S58 defective SC797 23 B The glue level thermistor could not detect the glue su...

Страница 89: ...ontal registration sensor large was out of range 3 0V to 3 5V Cover horizontal registration sensor large S72 defective D A converter defective A D converter defective Book Exit Sensor S64 Error SC797...

Страница 90: ...ause the book registration sensor failed to go ON Main grip lift motor M22 defective Book exit sensor S64 defective Motor or sensor harness loose broken defective Book Exit Sensor S64 Lag Error SC797...

Страница 91: ...97 43 B Note Trimming strips wider that 29 mm at the bottom and top edges 1st and 2nd cuts and wider than 41 mm at the fore edge 3rd cut will cause the trimming unit to jam Sub Grip Signature Sensor S...

Страница 92: ...lapper through an arc of 50 degrees or The switchback flapper HP sensor did not go OFF within the prescribed time after the motor turned on long enough to lower the flapper through an arc of 150 degre...

Страница 93: ...the rear jogger motor turned on to move the fence Jog fence HP sensor rear small S13 defective Jogger motor rear M5 defective Sensor or motor connector loose broken defective Jog Fence HP Sensor Rear...

Страница 94: ...tray overflow sensor S6 went ON and the stacking tray lift motor turned on to raise the tray or The paper detection sensor at the rear of the stacking tray did not go OFF within the prescribed time wh...

Страница 95: ...he sub grip size HP sensor was already OFF when the sub grip size horizontal adjustment started or The sub grip size HP sensor did not go OFF within the prescribed time after the sub grip size motor t...

Страница 96: ...in grip unit to the main grip signature registration position Main Grip Lift Motor M22 defective Main Grip Press Sensor 1 S48 defective Sensor or motor connector loose broken defective Main Grip Press...

Страница 97: ...OFF within the prescribed time after the rear grip motor turned on to close the main grip unit Grip Motor Rear M23 defective Main Grip Open Sensor Rear S47 defective SC798 19 B The rear main grip clo...

Страница 98: ...r the front grip motor turned on to open close the main grip unit Main Grip Encoder Front Sensor S52 defective Grip Motor Front M24 defective Main Grip Encoder Front Sensor S52 defective Sensor or mot...

Страница 99: ...e prescribed time after the Tray A lift motor turned on or Inserter Tray A upper tray failed to arrive at its paper feed sensor S4 within the prescribed time after the Tray A lift motor turned on Lift...

Страница 100: ...d Files in the self diagnostic module kernel or root file system on the SD card have been falsified or altered Before discarding the SD card try to update the data on the card If the error occurs agai...

Страница 101: ...card 802 11b Bluetooth itself cannot be could not be accessed while the machine was operating Wireless LAN card has been removed Wireless LAN Error 3 SC855 D An error is detected for the wireless LAN...

Страница 102: ...up SC861 B The hard disks were detected at power on but the disks were not detected within 30 s after recovery from the energy conservation mode Cable between the hard disks and controller board disco...

Страница 103: ...incorrect then the checked program cannot execute and this SC code is displayed Required program missing or incorrect Download the correct program for this machine onto the SD card SD Card Error 2 SD...

Страница 104: ...e the machine was operating Format the HDD with SP5832 004 SC876 2 The log was set for encryption without the encryption module installed At power on While the machine was operating When the log encry...

Страница 105: ...ective SC910 D External Controller Error 1 SC911 D External Controller Error 2 SC912 D External Controller Error 3 SC913 D External Controller Error 4 SC914 D External Controller Error 5 The external...

Страница 106: ...ount failed 9 Drive does not answer command 10 Internal kernel error 11 Size of drive is too small 12 Specified partition does not exist 13 Device file does not exist Recovery Procedure 1 If the machi...

Страница 107: ...y Procedure 4 If Recovery Procedures 1 to 3 fail to correct the problem replace the HDD F Gate Signal Error SC951 B When the IPU has already received the F GATE signal laser writing start trigger sign...

Страница 108: ...r Ready Error SC966 B The polygon mirror motor does not reach ready status within 15 s after the copy paper is detected by the registration sensor 15 s after the write request was issued for the IPU t...

Страница 109: ...on about the recently logged SC991 including the software file name line number and so on Of these two methods 1 is the recommended method because another SC could write over the information for the p...

Страница 110: ...The program download from the SD card does not execute normally This SC is not logged Card installed incorrectly BCU defective SD card defective Controller board defective Power down during program do...

Страница 111: ...accidental power overload These protective circuits are provided at three locations AC input Converter control points Output points Even if one or more of these protective circuits should fail the ot...

Страница 112: ...Output Name Output Voltage Output Connector VccE 5 1V CN733 1p 5p Energy Save VcaE 12 0V CN734 1p 3p VccL 5 1V CN711 1p 3 1st Vcc 5 1V CN12 1p 3p Vaa1 24 0V CN713 1p 2p Vaa2 24 0V CN713 3p 6p 2nd Vaa...

Страница 113: ...short circuit in an input harness or other problem on PSU C will also cause FU3 to blow and will cut all power output from the PSU Table 2 PSU Fuses and Related Power Output Interrupts Converter Outp...

Страница 114: ...converter If the problem occurs in the 1st converter power to the 1st 2nd 3rd and 4th converters is interrupted If the problem occurs in the 2nd converter power to the 2nd 3rd and 4th converters is i...

Страница 115: ...nal harnesses or an unexpected surge in the external power supply Overheating occurs when the temperature level of the elements in the control circuits of the converters becomes too high due to the fa...

Страница 116: ...on the left You can see which system is operating abnormally by checking whether these LEDs are on or off If an LED is off the converter for that LED is defective see the above table The table below...

Страница 117: ...machine off Disconnect it from the power source Allow the machine to stand at least 10 minutes before you open the PSU box door PCB A and PCB B of the PSU E are both provided with a large capacity el...

Страница 118: ......

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