Utax CD 1015 Service Manual Download | Manualshive

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background image

2AV/X

2-3-15

2-3

2-3-4 Laser diode PCB

Photo

sensor

PH1

Laser driver

IC1

Laser diode PCB

Main PCB

LD1

/ADJUST

/ENABLE

/VIDEO

/BD

Driver

Figure 2-3-8 Laser diode PCB block diagram

The laser diode PCB (LDPCB) consists of the laser diode LD1 and laser driver IC1.
The laser driver IC1 on the laser diode PCB (LDPCB) turns the laser diode LD1 on and off according to the image data
received from the main PCB (MPCB). Upon detection of a laser beam from the laser diode LD1, the photo sensor PH1
outputs a horizontal sync signal (/BD) to the main PCB (MPCB).
The laser diode PCB (LDPCB) adjusts the laser diode drive current (APC) for each line scanned outside the image area
when /ADJUST is low to keep the laser beam output constant.

Terminals (CN)

Voltage

Remarks

1-2

1-7

0/5 V DC

LCDPCB S/H signal, input

1-3

1-7

0/5 V DC

LCDPCB VIDEO signal, input

1-4

1-7

0/5 V DC

LCDPCB ENABLE signal, input

1-6

1-7

5 V DC

5 V DC supply for LCDPCB, input

1-8

1-7

0/5 V DC

LCDPCB HSYNC signal, output

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Summary of Contents for CD 1015

Page 1: ..._______________________________ UTAX CD 1015 1020 Service Manual ...

Page 2: ...osion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions CAUTION Double pole neutral fusing ...

Page 3: ...ompliance with warning messages using this symbol WARNING Serious bodily injury or death may result from insufficient attention to or incorrect compliance with warning messages using this symbol CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect compliance with warning messages using this symbol Symbols The triangle symbol indicates a warning includi...

Page 4: ...d or dusty place This may cause fire or electric shock Do not install the copier near a radiator heater other heat source or near flammable material This may cause fire Allow sufficient space around the copier to allow the ventilation grills to keep the machine as cool as possible Insufficient ventilation may cause heat buildup and poor copying performance Always handle the machine by the correct ...

Page 5: ...e clean Dirt on them can cause abnormally high temperatures Do not remove the ozone filter if any from the copier except for routine replacement 2 Precautions for Maintenance WARNING Always remove the power plug from the wall outlet before starting machine disassembly Always follow the procedures for maintenance described in the service manual and other related brochures Under no circumstances att...

Page 6: ...at all the caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necessary Handle greases and solvents with care by following the instructions below Use only a small amount of solvent at a time being careful not to spill Wipe spills off completely Ventilate the room well while using grease or solvents Allow app...

Page 7: ...1 3 20 8 Language 1 3 21 1 3 4 Installing the key counter option 1 3 22 1 3 5 Installing the original size detection sensor option for the metric specifications of the 15 cpm copier only 1 3 24 1 3 6 Installing the drawer heater option 1 3 25 1 4 Maintenance Mode 1 4 1 Maintenance mode 1 4 1 1 Executing a maintenance item 1 4 1 2 Maintenance mode item list for 20 cpm copier 1 4 2 3 Contents of mai...

Page 8: ...13 Paper feed clutch ST 2 does not operate 1 5 26 14 The bypass paper feed clutch does not operate 1 5 26 15 The cleaning lamp does not turn on 1 5 26 16 The exposure lamp does not turn on 1 5 27 17 The exposure lamp does not turn off 1 5 27 18 The fixing heater does not turn on C610 1 5 27 19 The fixing heater does not turn off 1 5 27 20 Main charging is not performed C510 1 5 27 21 Transfer char...

Page 9: ...it 1 6 26 4 1 Adjusting the skew of the laser scanner unit 1 6 26 4 2 Adjusting the vertical shifting of the laser scanner unit 1 6 27 5 Detaching and refitting the ISU reference 1 6 28 6 Adjusting the position of the ISU reference 1 6 30 7 Adjusting the longitudinal squareness reference 1 6 31 8 Adjusting magnification of the scanner in the main scanning direction 1 6 32 9 Adjusting magnification...

Page 10: ...ing toner output voltage 2 1 14 2 1 5 Transfer and separation section 2 1 15 2 1 6 Cleaning section 2 1 17 2 1 7 Charge erasing section 2 1 18 2 1 8 Fixing section 2 1 19 2 2 Electrical Parts Layout 2 2 1 Electrical parts layout 2 2 1 1 PCBs 2 2 1 2 Switches and sensors 2 2 2 3 Motors 2 2 4 4 Other electrical components 2 2 5 2 3 Operation of the PCBs 2 3 1 Power source PCB 2 3 1 2 3 2 Main PCB 2 ...

Page 11: ... min A3 9 copies min B5 18 copies min B5R 12 copies min B4 257 364 mm 10 copies min 11 81 2 18 copies min 81 2 11 12 copies min 11 17 9 copies min 81 2 14 10 copies min First copy time From 5 to 6 s A4 11 81 2 100 magnification upper drawer ejection to the eject tray Warm up time 30 s or less room temperature 20 C 68 F 65 RH In preheat energy saver mode 30 s or less room temperature 20 C 68 F 65 R...

Page 12: ... W 560 D 498 H mm for Asia and Oceania specifications Weight Approx 38 kg 83 6 lbs 41 kg 90 2lbs for Asia and Oceania specifications Floor requirements 891 W 560 D mm 351 16 W 221 16 D Functions Self diagnostics preheat automatic copy density control original size detection automatic paper selection automatic magnification selection enlargement reduction copy photo mode and department control Opti...

Page 13: ...pper drawer ejection to the eject tray Warm up time 30 s or less room temperature 20 C 68 F 65 RH In preheat energy saver mode 30 s or less room temperature 20 C 68 F 65 RH priorty to power save In preheat energy saver mode 15 s or less room temperature 20 C 68 F 65 RH priorty to recovery Paper feed system Automatic feed Capacity Drawers 250 sheets Manual feed Capacity Bypass 50 sheets A4 A4R B5 B...

Page 14: ...nostics preheat automatic copy density control original size detection automatic paper selection automatic magnification selection enlargement reduction copy fixed ratio selection photo mode margin copy split copy border erasing combine copy sort copy department control and language selection Power source 120 V AC 60 Hz 9 A 220 240 V AC 50 60 Hz 2 8 A Power consumption 1080 W 120V 1080W 220 240V O...

Page 15: ...ridge 8 Toner cartridge release lever 9 Waste toner tank 0 Waste toner tank release lever Cleaning shaft Front cover Main switch Copy store section Ejection section Upper drawer Lower drawer 2 Platen Original size scales Length adjustment plate Width adjustment lever Drawer lift Handles for transport Lower drawer left cover 2 1 Standard for Asia and Oceania specifications for the 15 cpm copier 2 O...

Page 16: ...er select indicators Misfeed location indicators Paper size indicators Original key Original size indicators Misfeed indicator Add Paper indicator Add Toner indicator Toner Disposal indicator Maintenance indicator Memory Overflow Data Error indicator ﬁ Copy exposure adjustment keys ﬂ Copy exposure indicators Image mode selection key Auto Exposure Text Photo Photo Text indicators Auto Selection key...

Page 17: ...l Cursor down key Manual Cursor right key Cursor left key Machine Error indicator Data indicator Zoom key Zoom key Preset R E key On line Printer key Indicator Layout key Indicator Copy exposure adjustment keys Copy exposure indicators Scanner key Indicator Duplex Split Page key Indicator Language key Margin Border Erase Book Erase key Indicator ﬁ Copy quality selection key Auto Exposure Text Phot...

Page 18: ... 6 7 2 4 3 Light path Paper path Figure 1 1 4 Machine cross section 1 Paper feed section 2 Main charging section 3 Optical section 4 Developing section 5 Transfer and paper conveying section 6 Cleaning section 7 Charge erasing section 8 Fixing section ...

Page 19: ... viewed from machine front 1 1 4 Drive system 1 Drive system 1 optical section Figure 1 1 5 1 Scanner motor gear 2 Gear 44 16 3 Gear 26 4 Scanner wire drum 5 Scanner wire 6 Scanner wire pulley 7 Scanner wire pulley 8 Scanner wire pulley ...

Page 20: ...ar 7 Gear 52 30 8 Gear 32 16 9 Gear 32 16 0 Gear 20 Gear 20 Gear 20 Idle gear 16 Bypass paper feed clutch gear Gear 16 Upper paper feed clutch gear Gear 30 Gear 26 14 Gear 20 Registration clutch gear Gear 15 Gear 18 Gear 20 Gear 34 23 ﬁ Gear 24 ﬂ Gear 15 Spiral gear 17 Blade thrust gear 21 Gear 16 Idle gear Œ Gear 19 Gear 23 Gear 23 Gear 29 ˇ Fixing gear 19 Á Heat roller gear 35 Idle gear ˆ Gear 2...

Page 21: ...C 2 8 A 4 Power source frequency 50 Hz 0 3 60 Hz 0 3 5 Installation location Avoid direct sunlight or bright lighting Ensure that the photoconductor will not be exposed to direct sunlight or other strong light when removing paper jams Avoid extremes of temperature and humidity abrupt ambient temperature changes and hot or cold air directed onto the machine Avoid dust and vibration Choose a surface...

Page 22: ...V X 1 2 2 1 2 a b c d h f e g Figure 1 2 1b Installation dimensions 20 cpm copier a 675 mm 269 16 b 873 mm 343 8 c 555 mm 21 d 718 mm 281 4 e 603 mm 233 4 f 1218 mm 469 16 g 418 mm 167 16 h 951 mm 377 16 ...

Page 23: ...oper Adjust the fixing pressure Install a waste toner tank Connect the power cord Load paper Install a toner cartridge Output an own status report maintenance item U000 Exit maintenance mode Start Remove the image formation unit Release the cleaning blade Carry out initial developer setting maintenance item U130 Install the optional devices Completion of the machine installation ...

Page 24: ... 2 2AV X 1 3 Light source unit 1 pins The diagram shows the 20 cpm copier The original cover is standard for Asia and Oceania specifications for the 15 cpm copier only Light source unit 2 pin Figure 1 3 1 ...

Page 25: ... 5 Bottom pads 6 Bottom case 7 Skid 8 Bottom plate 9 Spacer 1 0 Machine cover Original cover 2 Plastic bag 2 Bar code labels Hinge joint Instruction handbook Plastic bag Business reply mail 3 Drawer spacers Drawer claw spacers Power cord 1 230 V specifications only 2 Asia and Oceania specifications only 3 120 V specifications only ...

Page 26: ...Skid 8 Spacer 1 9 Machine cover 0 Bar code labels Hinge joint 20 cpm copier 2 0 3 6 7 5 1 4 8 4 9 Figure 1 3 2b Unpacking Instruction handbook Plastic bag Business reply mail 2 Drawer spacers Drawer claw spacers Rear cover spacer Power cord 1 230 V specifications only 2 120 V specifications only ...

Page 27: ...ss tray 4 Remove the three tapes holding the pins for light source units 1 and 2 5 Remove the tape holding the rear cover spacer and then the spacer 20 cpm copier only 6 Remove the tape covering the original detection switch Remove the tapes Figure 1 3 3 Figure 1 3 4 Light source unit 1 pins Light source unit 2 pin Rear cover spacer Bypass tray Paper conveying unit Power cord Front cover Drawer Or...

Page 28: ...ng the fulcrum of the drawer lift inside the drawer 9 Remove the tape holding each of the front and rear cursors 10 Remove the tape holding each of the drawer claw spacers and then the spacers 11 Refit the drawer Figure 1 3 5 Figure 1 3 6 Figure 1 3 7 Front cursor Rear cursor Drawer claw spacers Drawer spacers Fulcrum of the drawer lift ...

Page 29: ...anuals 1 Optional for 20 cpm copier only 2 Standard for Asia and Oceania specifications of the 15 cpm copier 1 Open the front cover bypass tray and the paper conveying unit 2 Remove the two screws While pressing the hook on the front image formation cover pull the image formation unit out Figure 1 3 9 Remove the pins holding light source units 1 and 2 Light source unit 2 pin Light source unit 1 pi...

Page 30: ...e image formation unit Caution Never turn the magnet roller gear in the reverse direction 4 Refit the developing unit upper cover 1 Remove the tape holding each of the two cleaning blade release levers Apply the cleaning blade to the drum by gently pushing the cleaning blade release levers in the direction of the arrows in the diagram using a screwdriver The cleaning blade comes into contact with ...

Page 31: ...While holding the waste toner tank release lever up fit the waste toner tank in the copier 2 Close the front cover 1 Remove the two blue screws 2 Close the paper conveying unit and the bypass tray Figure 1 3 13 Figure 1 3 15 12 pin connector Adjust the fixing pressure Blue screws Figure 1 3 14 Install a waste toner tank Waste toner tank Waste toner tank release lever ...

Page 32: ...pier each time the copy exposure adjustment keys are pressed the settings for INPUT CONTROL TARGET and HUMID are displayed on the copy quantity magnification display in the order presented 4 Press the stop clear key 1 Load paper in the drawer Caution Loading paper before turning the main switch on may cause paper jams 1 Enter 000 using the numeric keys and press the start key 2 Select MAINTENANCE ...

Page 33: ...orizontally eight to ten times to agitate the toner 4 Align the arrows on the top of the toner cartridge with the cutouts in the eject tray and then insert the cartridge into the copier 5 Secure the toner cartridge by shifting the toner cartridge release lever to the left until it stops 6 Close the front cover Figure 1 3 16 Figure 1 3 17 Figure 1 3 18 Toner cartridge release lever Toner cartridge ...

Page 34: ... 12 2AV X 1 3 1 Place an original and make test copies Check if the center lines of the bypass tray and drawer are correct If not adjust the center lines Make test copies Completion of machine installation ...

Page 35: ...8 Switching copy operation at toner empty Single mode Single mode detection 70 sheets 70 sheets U260 Changing the copy count timing After ejection After ejection U343 Switching between duplex simplex copy mode Simplex copy Simplex copy 20 cpm copier only U342 Setting the ejection restriction On On U344 Setting preheat energy saver mode Energy star Energy star U348 Setting the copy density adjustme...

Page 36: ... both of the copy expo sure adjustment keys for 3 s Select an item using the zoom keys or numeric keys Press the enter key Execute the default setting item page 1 3 15 Select F00 and press the enter key Start End 1 3 3 Copier management In addition to a maintenance function for service the copier is equipped with a management function which can be operated by users mainly by the copier administrat...

Page 37: ...etting range 1 to 7 Paper selection Sets whether the same sized paper as the original to be copied is automatically selected 1 Select F08 and press the enter key 2 Select auto or manual and press the enter key Setting range 1 auto 2 manual AMS mode Selects whether auto magnification selection or 100 magnification is to be given priority when the sizes of the original and copy paper are different 1...

Page 38: ...nd press the enter key 2 Select on or off and press the enter key Setting range 1 on 2 off Note This setting item will not be displayed if the optional memory board is not installed Copy limit Sets the number of copies limit for multiple copy ing 1 Select F16 and press the enter key 2 Enter the setting and press the enter key Setting range 1 to 250 copies Margin width Sets the default setting of t...

Page 39: ...to preheat time Sets the auto preheat time 1 Select F25 and press the enter key 2 Select the setting and press the enter key Setting range 5 to 45 minutes in 5 minute increments 1 5 min 2 10 min 3 15 min 4 20 min 5 25 min 6 30 min 7 35 min 8 40 min 9 45 min Note Set the auto preheat time to be shorter than the auto shutoff time Auto shutoff time Sets the auto shutoff time 1 Select F26 and press th...

Page 40: ...fault and press the enter key Enter the management code Make copy default settings page 1 3 19 Select End and press the enter key Select Machine default and press the enter key Enter the management code Make machine default settings page 1 3 20 Select End and press the enter key Select Language and press the enter key Set the language page 1 3 21 Start End 4 Using the copier management mode 20 cpm...

Page 41: ...ss the enter key 4 digits for metric specifications and 7 digits for inch specifications 4 Select Copy limit Enter the number of copies limit using the numeric keys and press the enter key Deleting a department code 1 Select Management Setting COPY MGMT SETTING and press the enter key 2 Select Code delete and press the enter key 3 Select the department code to be deleted and press the enter key 4 ...

Page 42: ... 3 4 Default drawer Sets the drawer to be selected in cases such as after the reset key is pressed 1 Select Default drawer and press the enter key 2 Select the default drawer and press the enter key Default drawer 1st pap SOURCE 1 2nd pap SOURCE 2 3rd pap SOURCE 3 4th pap SOURCE 4 Note 3rd pap SOURCE 3 and 4th pap SOURCE 4 are displayed only when the optional drawer is installed Output form Select...

Page 43: ...elect the setting and press the enter key Setting range 5 to 45 minutes in 5 minute increments Note Set the auto preheat time to be shorter than the auto shutoff time Auto shutoff time Sets the auto shutoff time 1 Select Auto shut off time and press the enter key 2 Select the setting and press the enter key Setting range 15 to 240 minutes in 15 minute increments Display contrast adjustment Adjusts...

Page 44: ...counter socket assembly to the key counter retainer using the two screws and nut 2 Fit the key counter mount to the key counter cover using the two screws and attach the key counter retainer to the mount using the two screws 3 Open the front cover 4 Remove the screw on the front of the internal eject tray 5 Remove the five screws While lifting the internal eject tray remove the right cover 6 Cut o...

Page 45: ...er on the copier using the screw 12 Insert the key counter into the key counter socket assembly 13 Turn the main switch on and enter the mainte nance mode 14 Run maintenance item U204 and set as follows 15 cpm C 2 20 cpm Key counter 15 Exit the maintenance mode 16 Check that the indication given below is displayed on the operation panel when the key counter is pulled out 15 cpm U1 20 cpm Insert ke...

Page 46: ...arrow in the diagram remove the contact glass 3 Remove the eight screws holding the ISU cover and then the cover 4 Fit the original size detection sensor using the screw 5 Connect the 3 pin connector that was contain ed inside the ISU cover to the original size detection sensor 6 Refit all the removed parts 7 Turn the main switch on and enter mainte nance mode 8 Run maintenance item U075 and selec...

Page 47: ... P N B1304040 Two 2 BVM4 6 bronze binding screws P N B1304060 Clamp P N M2105030 Band P N M2607010 High temperature caution sticker P N 20305130 Drawer heater wire P N 3A568010 Drawer heater P N 34860020 Procedure 1 Remove the two screws holding the rear cover of the optional drawer and then the cover 2 Pull the drawer out 3 Pass the connector of the drawer heater through the cable hole in the rea...

Page 48: ...eceptacle to the drawer heater cable 8 Refit the drawer 9 Install the optional drawer to the copier 10 Remove the jumper connector from the heater wire on the copier or the above optional drawer and connect the 2 pin connector on the heater wire in its place 11 Refit the rear cover of the optional drawer 2 pin receptacle 2 pin receptacle Opening 2 pin connector ...

Page 49: ...ce item to be executed using the cursor up down keys 20 cpm the zoom keys 15 cpm or numeric keys Press the start key The maintenance item is run Press the stop clear key Enter 001 using the cursor up down keys 20 cpm the zoom keys 15 cpm or numeric keys and press the print key End Entering the maintenance mode Selecting a maintenance item Exiting the maintenance mode Yes No No Run another maintena...

Page 50: ...ction auxiliary scanning direction U066 Adjusting the leading edge registration for scanning an original on the contact glass U067 Adjusting the center line for scanning an original on the contact glass U070 Adjusting the DF magnification U071 Adjusting the DF scanning timing Adjusting the DF leading edge registration Adjusting the DF trailing edge registration U072 Adjusting the DF center line U0...

Page 51: ...g the finisher switches U243 Checking the operation of the DF motors solenoids and clutch U244 Checking the DF switches when installing the optional SRDF Checking the DF switches when installing the optional STDF U245 Checking messages U250 Setting the maintenance cycle U251 Checking clearing the maintenance count U252 Setting the destination U253 Switching between double and single counts U254 Tu...

Page 52: ...vice call counts U905 Checking clearing counts by optional devices U906 Resetting partial operation control U908 Changing the total counter value U910 Clearing the black ratio data U914 Switching between fax and copier modes U917 Setting the reading writing of backup data U990 Checking clearing the time for the exposure lamp to light U992 Checking or clearing the printer fax count U993 Outputting ...

Page 53: ...splayed in reverse Display MAINTENANCE JAM SERVICE CALL Output list List of the current settings of the maintenance modes List of the paper jam occurrences List of the service call occurrences 3 Press the start key The interrupt copy mode is entered and a list is output When A4 11 81 2 paper is available a report of this size is output If not specify the paper feed location When output is complete...

Page 54: ...y lighter Copy exposure adjustment key darker Symbol Space 2 Press the start key The phone number is set and the screen for selecting a maintenance item No is displayed Completion To exit this maintenance item without changing the current setting press the stop clear key The screen for selecting a maintenance item No is displayed U004 Setting the machine number Description Displays and changes the...

Page 55: ...r than the energy saver preheat key 5 To control the paper feed pulley remove all the paper in the drawers or the drawers With the paper present the paper feed pulley does not operate 6 Press the start key The operation starts Copy operation is simulated without paper under the set conditions When operation is complete the screen for selecting an item is displayed 7 To stop continuous operation pr...

Page 56: ...ttings for counters service call history and mode settings As a result initializes the backup RAM according to the specifications depending on the destination selected in U252 Purpose Used to return the machine settings to the factory settings Method 1 Press the start key The screen for executing is displayed 2 Select EXECUTE using the cursor up down keys It is displayed in reverse 3 Press the sta...

Page 57: ...ress the stop clear key Completion Press the stop key after operation stops The screen for selecting a maintenance item No is displayed U031 Checking switches for paper conveying Description Displays the on off status of each paper detection switch on the paper path Purpose To check if the switches for paper conveying operate correctly Method 1 Press the start key A list of the switches the on off...

Page 58: ...o is displayed U033 Checking solenoid operation Description Turns each solenoid on Purpose To check the operation of each solenoid Method 1 Press the start key The screen for selecting an item is displayed 2 Select the solenoid to be operated using the cursor up down keys 3 Press the start key The selected item is displayed in reverse and the solenoid turns on for 1 s Display BRA_ACT BRA_RET MAIN ...

Page 59: ...the motor speed Description Performs fine adjustment of the speeds of the motors Purpose Used to adjust the speed of the respective motors when the magnification is not correct Method Press the start key The screen for selecting an item is displayed Setting 1 Select the item to be set using the cursor up down keys The selected item is displayed in reverse 2 Change the setting using the cursor left...

Page 60: ...e scanning density in text text and photo or photo mode Purpose Used when the entire image appears too dark or light Method Press the start key The screen for selecting an item is displayed Setting 1 Change the setting using the cursor left right keys Display γ ADJ Setting range 0 to 23 Initial setting 12 Increasing the setting makes the density lower and decreasing it makes the density higher 2 P...

Page 61: ...fected by the flaws or stains Method 1 Press the start key The screen for adjustment is displayed 2 Change the setting using the cursor left right keys Description Shading position Setting range Initial setting Change in value per step 5 to 5 0 0 17 mm Increasing the setting moves the shading position toward the machine right and decreasing it moves the position toward the machine left 3 Press the...

Page 62: ... for selecting a maintenance item No is displayed U071 Adjusting the DF scanning timing Description Adjusts the DF original scanning timing Purpose To be executed if there is a regular error between the leading or trailing edges of the original and the copy image when the optional DF is used Caution Before making this adjustment ensure that the following adjustments have been made in maintenance m...

Page 63: ...sition for the DF original Purpose To be executed if there is a regular error between the centers of the original and the copy image when the optional DF is used Caution Before making this adjustment ensure that the following adjustments have been made in maintenance mode U034 U067 U072 Method Press the start key Setting 1 Change the setting using the cursor left right keys Description DF center l...

Page 64: ...The screen for selecting an item is displayed 2 Select the item to be changed using the cursor up down keys The selected item is displayed in reverse 3 Change the setting using the cursor left right keys Display ZOOM SIZE LAMP Operating conditions Setting range Magnification Paper size On and off of the exposure lamp 50 to 200 See below 0 off or 1 on Setting 8 9 24 36 39 40 41 Paper size Setting P...

Page 65: ...on is adjusted automatically by determining the presence or absence of dust on the slit glass Also changes the reference data for identifying dust Reference In the DF original scanning position adjust mode the presence or absence of dust is determined by comparing the scan data of the original trailing edge and that taken after the original is conveyed past the DF original scanning position If dus...

Page 66: ...U088 Setting the input filter moiré reduction mode Description Turns moiré reduction mode on and off by switching the input filter on and off Purpose Used to prevent regular density unevenness moiré on halftone image areas of the copy image in text mode and text and photo mode Such moiré is more likely to appear when an enlargement or reduction copy is made in text mode from an original containing...

Page 67: ... the machine front and rear When scanning is performed after shading there should be no difference between respective values Any differences between the values at machine front and rear indicates that scanner problem causes the fixing unevenness If the displayed results indicate no shading problems the fixing unevenness uneven copy density is caused by factors other than in the scanner section sha...

Page 68: ...isplayed 3 Press the start key Auto adjustment starts When adjustment is complete each adjusted value is displayed Display SCAN CENTER SCAN TIMING SUB SCAN Description Scanner center line Scanner leading edge registration Scanner magnification in the auxiliary scanning direction If a problem occurs during auto adjustment DATA XX XX is replaced by an error code is displayed and operation stops Shou...

Page 69: ... The selected item is displayed in reverse 2 Adjust the setting using the cursor left right keys Display DARKER LIGHTER Description Setting range Initial setting Change in density when manual density is set dark Change in density when manual density is set light 0 to 3 0 to 3 0 0 Increasing the setting makes the change in density larger and decreasing it makes the change smaller Image density Dens...

Page 70: ...ure 1 4 6 2 To return to the screen for selecting an item press the stop clear key Method to set or check the original size detection threshold 1 Place an original on the contact glass and turn the original detection switch on The original size detection starts and detection data is displayed See Paper size in U073 for the paper size for each setting Display Description Data range Remarks LEVEL WA...

Page 71: ...r MC ON or LASER ON OFF using the cursor up down keys 2 Press the start key The selected operation starts 3 To stop operation press the stop clear key Setting the grid control voltage 1 Select MC DATA using the cursor up down keys 2 Change the setting using the cursor left right keys Description Grid control voltage Setting range Initial setting 0 to 255 184 Increasing the setting makes the surfac...

Page 72: ...reasing it makes the bias lower and the image lighter 3 Press the start key The value is set 4 To return to the screen for selecting an item press the stop clear key Setting the transfer voltage 1 Select the item to be adjusted using the cursor up down keys The selected item is displayed in reverse 2 Change the TC DATA setting using the cursor left right keys Display TC DATA TC TIMING Description ...

Page 73: ... Press the start key The count is cleared and the screen for selecting a maintenance item No is displayed Setting 1 Enter a six digit count using the numeric keys 2 Press the start key The count is set and the screen for selecting a maintenance item No is displayed Completion To exit the maintenance mode without changing the count press the stop clear key The screen for selecting a maintenance ite...

Page 74: ...t level U156 Clearing the developing drive time U157 Clearing the developing count U158 Resetting the toner feed start level and toner empty detection Completion After initial setting is complete press the stop clear key The screen for selecting a maintenance item No is displayed U131 Setting the toner sensor control voltage Description Displays or changes the toner sensor control voltage automati...

Page 75: ...heck the operation of the toner feed motor Caution Note that driving the motor unnecessarily long may cause a toner jam resulting in machine lockup Be sure to drive the motor for only a few seconds Method 1 Press the start key The screen for executing is displayed 2 Press the start key The toner feed motor turns on 3 To stop operation press the stop clear key Completion Press the stop clear key wh...

Page 76: ...d start level and the toner empty level Setting range 44 Initial setting Increasing the setting makes the toner empty level higher the toner density is lower when the toner empty is detected 3 Press the start key The value is set Completion Press the stop clear key The screen for selecting maintenance item No is displayed U157 Checking clearing the developing drive time Description Displays the de...

Page 77: ... item No is displayed U161 Setting the fixing control temperature Description Changes the fixing control temperature Purpose Normally no change is necessary However can be used to prevent curling or creasing of paper or solve a fixing problem on thick paper Method Press the start key The screen for selecting an item is displayed Setting 1 Select the item to be set using the cursor up down keys The...

Page 78: ...ixing temperature Method 1 Press the start key The screen for selecting an item is displayed 2 Select EXECUTE using the cursor up down keys 3 Press the start key The fixing problem data is initialized Completion To exit this maintenance item without changing the current setting press the stop clear key The screen for selecting a maintenance item No is displayed U196 Turning the fixing heater on De...

Page 79: ...inuous operation Without paper double sided original continuous operation 4 Press the start key The operation starts 5 To stop continuous operation press the stop clear key Completion Press the stop clear key when the operation stops The screen for selecting a maintenance item No is displayed U204 Setting the presence or absence of a key card or key counter Description Sets the presence or absence...

Page 80: ...panel cover after pressing the last key will light all the LEDs Completion Press the stop clear key at the screen for executing The screen for selecting a maintenance item No is displayed After checking numeric key 1 the operation cannot be canceled until all the keys are checked U210 Reversing the LCD Description Sets whether to reverse the message display LCD in the operation panel Purpose To re...

Page 81: ...noid PUSOL 3 Press the start key The operation starts Completion Press the stop clear key when operation stops The screen for selecting a maintenance item No is displayed U241 Checking the finisher switches Description Displayes the status of respective switches and sensors in the optional finisher Purpose To check if respective switches and sensors in the optional finisher Method 1 Press the star...

Page 82: ...the stop clear key when operation stops The screen for selecting a maintenance item No is displayed U244 Checking the DF switches when installing the optional SRDF Description Displays the status of the respective switches in the optional SRDF Purpose To check if respective switches in the optional SRDF operate correctly Start 1 Press the start key The screen for selecting an item is displayed 2 S...

Page 83: ...o the screen for selecting an item press the stop clear key Completion Press the stop clear key at the screen for selecting an item The screen for selecting a maintenance item No is displayed Numerical value A5R B5R Folio A4R B4 B5 CF 11 15 A3 A4 Original width to be detected 51 2 81 2 81 2 14 81 2 11 11 17 11 15 11 81 2 000 49 664 50 176 61 440 61 952 103 936 104 448 139 264 139 776 146 432 146 9...

Page 84: ...th switch OSLSW DF safty switch 2 DFSSW2 DF safty switch 1 DFSSW1 2 To return to the screen for selecting an item press the stop clear key Completion Press the stop clear key at the screen for selecting an item The screen for selecting a maintenance item No is displayed U245 Checking messages Description Displays a list of messages and graphics to be displayed Purpose To check the messages and gra...

Page 85: ...s maintenance item without changing the current setting press the stop clear key The screen for selecting a maintenance item No is displayed U251 Checking clearing the maintenance count Description Displays clears and changes the maintenance count Purpose To check the maintenance count Also to clear the count during maintenance service Method Press the start key The maintenance count is displayed ...

Page 86: ...rding to the destinations in the maintenance items below To change the initial settings in those items be sure to run maintenance item U021 after changing the destination Initial setting according to the destinations Maintenance item No 253 255 348 Title Japan Inch Europe Metric Asia Pacific Switching between double and single counts Setting auto clear time Setting the copy density adjustment rang...

Page 87: ...stop clear key The screen for selecting a maintenance item No is displayed U255 Setting auto clear time Description Sets the time to return to initial settings after copying is complete Purpose To be set according to frequency of use Set to a comparatively long time for continuous copying at the same settings and a comparatively short time for frequent copying at various settings Method Press the ...

Page 88: ...ss the stop clear key The screen for selecting a maintenance item No is displayed U258 Switching copy operation at toner empty detection Description Selects if continuous copying is enabled after toner empty is detected and sets the number of copies that can be made after the detection Method Press the start key The current setting is displayed Setting 1 Select single or continuous copying using t...

Page 89: ...ecting an item is displayed Setting 1 Select the copy count timing using the cursor up down keys When secondary paper feed starts When the paper is ejected Display COUNT FEED COUNT EJECT Description Initial setting EJECT 2 Press the start key The setting is set and the screen for selecting a maintenance item No is displayed Completion To exit this maintenance item without changing the current sett...

Page 90: ... The size conversion factor can be set separately for the copier mode COPY the printer mode PRI and the fax mode FAX at the screen for setting the size conversion factor Metric models Display A3 B4 A4 B5 A5 B6 A6 POST FOL ECT Setting range 0 0 to 3 0 0 0 to 3 0 0 0 to 3 0 0 0 to 3 0 0 0 to 3 0 0 0 to 3 0 0 0 to 3 0 0 0 to 3 0 0 0 to 3 0 0 0 to 3 0 2 0 1 5 1 0 0 7 0 5 0 5 0 5 0 5 1 5 1 0 2 0 1 5 1 ...

Page 91: ...ts Details of restriction number of sheets to be ejected continuously after the start key is pressed 3 Press the start key Completion Press the stop clear key at the screen for selectiong an item The screen for selectiong a maintenance item No is displayed U343 Switching between duplex simplex copy mode Description Switches the initial setting between duplex and simplex copy Purpose To be set acco...

Page 92: ...ng the current setting press the stop clear key The screen for selecting a maintenance item No is displayed U345 Setting the value for maintenance due indication Description Sets when to display a message notifying that the time for maintenance is about to be reached by setting the number of copies that can be made before the current maintenance cycle ends When the difference between the number of...

Page 93: ...tting 1 Select the density range using the cursor up down keys 11 15 steps enlargement mode 5 9 steps Display SPECIAL AREA NORMAL Description Initial setting SPECIAL AREA 2 Press the start key The setting is set and the screen for selecting a maintenance item No is displayed Completion To exit this maintenance item without changing the current setting press the stop clear key The screen for select...

Page 94: ...splay A MGN B MGN C MGN D MGN Description Setting range Initial setting Change in value per step Left margin Leading edge margin Right margin Trailing edge margin 0 to 10 0 to 10 0 to 10 0 to 10 2 3 2 2 0 5 mm 0 5 mm 0 5 mm 0 5 mm Increasing the setting makes the margin wider and decreasing it makes the margin narrower DF leading edge margin 3 2 5 mm Ejection direction reference DF trailing edge m...

Page 95: ... down keys The selected item is displayed in reverse To clear the counts for all paper feed locations select ALL using the cursor up down keys 2 Press the start key The count is cleared and the screen for selecting a maintenance item No is displayed Completion Press the stop clear key The screen for selecting a maintenance item No is displayed U903 Checking clearing the paper jam counts Descriptio...

Page 96: ...iption Displays or clears the counts of the optional SRDF STDF or finisher Purpose To check the use of the SRDF STDF and finisher Also to clear the counts after replacing consumable parts Method 1 Press the start key The screen for selecting an item is displayed 2 Select the device the count of which is to be checked using the cursor up down keys The count of the selected device is displayed Origi...

Page 97: ...keys 2 Press the start key The value is cleared Setting 1 Enter a six digit value using the numeric keys 2 Press the start key The value is set Completion To exit this maintenance item without changing the current total counter value press the stop clear key The screen for selecting a maintenance item No is displayed U910 Clearing the black ratio data Description Clears the accumulated black ratio...

Page 98: ... change the setting before starting writing Purpose Used when replacing the main PCB Method 1 Press the start key The screen for selecting an item is displayed 2 Select READ or WRITE using the cursor up down keys Reading out the backup data Writing backup data Display READ WRITE Description 3 Press the start key Completion To exit this maintenance item without changing the current setting press th...

Page 99: ...ng a maintenance item No is displayed U993 Outputting a VTC PG pattern Description Selects and outputs a VTC PG pattern created in the copier Purpose When performing respective image printing adjustments used to check the machine status apart from that of the scanner with a non scanned output VTC PG pattern Method 1 Press the start key The screen for selecting an item is displayed 2 Select the VTC...

Page 100: ...an item is displayed 2 Enter the six digits of address using the numeric keys To enter alphabets press the keys shown below as required Key Language key Scanner key On line Printer key Margin Border Erase Book Erase key Duplex Split Page key Layout key Symbol A B C D E F 3 Press the interrupt key to output the list Completion Press the stop clear key The screen for selectiong a maintenance item No...

Page 101: ...g the exposure lamp on U063 Adjusting the shading position 0 U065 Adjusting the scanner magnification Main scanning direction auxiliary scanning direction 0 U066 Adjusting the leading edge registration for scanning an original on the 0 contact glass U067 Adjusting the center line for scanning an original on the contact glass 0 U070 Adjusting the DF magnification 0 U071 Adjusting the DF scanning ti...

Page 102: ... the regular control temperature 0 when copying onto small sized paper U162 Stabilizing fixing forcibly U163 Resetting the fixing problem data U196 Turning the fixing heater on U199 Checking the fixing temperature U200 Turning all LEDs on U203 Operating DF separately U204 Setting the presence or absence of a key card or key counter U207 Checking the operation panel keys U243 Checking the operation...

Page 103: ...ounts by paper feed locations U903 Checking clearing the paper jam counts U904 Checking clearing the service call counts U905 Checking clearing counts by optional devices U906 Resetting partial operation control U910 Clearing the black ratio data U917 Setting the reading writing of backup data Read U990 Checking clearing the time for the exposure lamp to light U992 Checking or clearing the printer...

Page 104: ...complete the selected item appears Completion Press the stop clear key while a selection item is displayed The indication for selecting a maintenance item No appears U001 Exiting the maintenance mode Description Exits the maintenance mode and returns to the normal copy mode Purpose To exit the maintenance mode Method Press the start key The normal copy mode is entered U004 Setting the machine numb...

Page 105: ...perate 6 Press the start key The operation starts Copy operation is simulated without paper under the set conditions When operation is complete the selected item appears 7 To stop continuous operation press the stop clear key Completion Press the stop clear key at the screen for selecting an item The indication for selecting a maintenance item No appears U020 Initializing all data Description Init...

Page 106: ...aintenance item No appears U022 Initializing backup data Description Initializes only the data set for the optical section Purpose To be executed after replacing the scanner unit Method 1 Press the start key A appears 2 Press the start key 3 Select on using the zoom keys Display Operation Canceling initialization on Executing initialization 4 Press the start key The data for the optical section U0...

Page 107: ...Drawer feed switch DFSW B5R 51 2 81 2 Drawer feed switch ST DFSW ST Optional Completion Press the stop clear key The indication for selecting a maintenance item No appears U032 Checking clutch operation Description Turns each clutch on Purpose To check the operation of each clutch Method 1 Press the start key A selection item appears 2 Select the clutch to be operated using the copy exposure adjus...

Page 108: ...nt start timing Adjustment See pages 1 6 10 and 13 U035 Setting folio size Description Changes the image area for copying onto folio size paper Purpose To prevent the image at the trailing edge or right or left side of the paper from not being copied by setting the actual size of the folio paper used Method Press the start key Setting 1 Select the item by lighting a copy exposure indicator using t...

Page 109: ...the auxiliary scanning direction Polygon motor speed adjustment unit Increasing the setting makes the image longer in the main scanning direction and shorter in the auxiliary scanning direction decreasing the setting makes the image shorter in the main scanning direction and longer in the auxiliary scanning direction 3 Press the start key The value is set Interrupt copy mode While this maintenance...

Page 110: ...se To check the exposure lamp Method 1 Press the start key on appears 2 Press the start key The exposure lamp lights 3 To turn the exposure lamp off press the stop clear key Completion Press the stop clear key The indication for selecting a maintenance item No appears U063 Adjusting the shading position Description Changes the shading position Purpose Used when white lines continue to appear longi...

Page 111: ...ary scanning direction when the optional SRDF is used Caution Before making this adjustment ensure that the following adjustments have been made in maintenance mode U053 U065 U070 Method Press the start key Setting 1 Change the setting using the zoom keys Description Setting range Initial setting Change in value per step Original conveying 25 to 25 0 0 1 motor speed Increasing the setting makes th...

Page 112: ... Initial setting Change in value indicator per step Exp 1 DF leading edge registration 32 to 32 0 0 19 mm Exp 2 DF trailing edge registration 32 to 32 0 0 19 mm Increasing the setting moves the copy image backward and decreasing it moves the copy image forward 3 Press the start key The value is set Interrupt copy mode While this maintenance item is being performed copying from an original can be m...

Page 113: ...ng range Initial setting Change in value per step DF center line 39 to 39 0 0 17 mm Increasing the setting moves the image to the right and decreasing it moves the image to the left 2 Press the start key The value is set Interrupt copy mode While this maintenance item is being performed copying from an original can be made in interrupt copy mode Adjustment 1 In interrupt copy mode make a copy usin...

Page 114: ...itions 5 To stop operation press the stop clear key Completion Press the stop clear key when scanning stops The indication for selecting a maintenance item No appears U074 Adjusting the DF input light luminosity Description Adjusts the luminosity of the exposure lamp for scanning originals from the optional DF Purpose Used if the exposure amount differs significantly between when scanning an origi...

Page 115: ...an optional original size detection sensor is installed Method Press the start key Setting 1 Select on or oFF using the zoom keys Display Description on Original size detected oFF Original size not detected Initial setting on 2 Press the start key The setting is set The indication for selecting a maintenance item No appears Completion To exit this maintenance item without changing the current sett...

Page 116: ...rt key 2 Select the item to be set by lighting a copy exposure indicator using the copy exposure adjustment keys Copy exposure indicator Description Exp 1 Setting the mode on off Exp 2 Setting the reference data for identifying dust Setting the mode on off 1 Select on or oFF using the zoom keys Display Description on DF scanning position adjust mode on oFF DF scanning position adjust mode off Init...

Page 117: ...educed 2 Press the start key The value is set The indication for selecting a maintenance item No appears Completion To exit this maintenance item without changing the current setting press the stop clear key The indication for selecting a maintenance item No appears U091 Checking shading Description Performs scanning under the same conditions as before and after shading is performed displaying the...

Page 118: ... at the machine front and rear When scanning is performed after shading there should be no difference between respective values Any differences between the values at machine front and rear indicates that scanner problem causes the fixing unevenness If the displayed results indicate no shading problems the fixing unevenness uneven copy density is caused by factors other than in the scanner section ...

Page 119: ...y each setting value after adjustment by lighting a copy exposure indicator using the copy exposure adjustment keys Copy exposure indicator Setting value Exp 2 Scanner center line Exp 3 Scanner leading edge registration Exp 4 Scanner magnification in the auxiliary scanning direction If a problem occurs during auto adjustment nG is displayed and operation stops Lighting the copy exposure indicator ...

Page 120: ...he manual density adjustment Also used to make copy image darker or lighter Start 1 Press the start key A selection item appears 2 Select the image mode to be adjusted by lighting image mode LEDs using the image mode selection key 3 Press the start key The machine enters the setting mode Image mode LEDs Description Photo Text Text Photo Auto Exposure Density in text mode Photo Text Text Photo Auto...

Page 121: ...s the change in density larger and decreasing it makes the change smaller Image density Density adjustment Dark Light Light Center Dark Density adjustment range Special area Setting 0 Setting 3 Density adjustment range Normal Set to DARKER Set to LIGHTER Figure 1 4 12 Exposure density gradient 3 Press the start key The value is set 4 Press the stop clear key The selected item appears Interrupt cop...

Page 122: ...ection data 1 Place an original on the contact glass and turn the original detection switch on The exposure lamp turns on and the width of the original is detected The scanner data taken at the nine points from 1 at the machine rear to 9 at the machine front is displayed The data is displayed within the range of 000 to 255 000 indicating white original present and 255 indicating black no original ...

Page 123: ...eshold 0 to 255 Adjustable 170 Exp 2 Time between original detection switch turning 0 to 100 ms Adjustable 50 on and reading in of scanner data Exp 3 Detected original width 0 to 350 mm Exp 4 Original size detected by scanner data and 0 to 63 original size sensor detection data See Paper size in U073 for the paper size for each setting 3 To change the original size detection threshold light exp 1 ...

Page 124: ...d the laser scanner unit on and off Method for main charger output 1 Press the start key The selected operation starts 2 To stop operation press the stop clear key Setting the grid control voltage 1 Change the setting using the zoom keys Description Setting range Initial setting Grid control voltage 0 to 255 184 Increasing the setting makes the surface potential higher and decreasing it makes the ...

Page 125: ...ing the setting makes the developing bias higher and the image darker decreasing it makes the bias lower and the image lighter 3 Press the start key The value is set Setting the transfer voltage 1 Select the item to be adjusted by lighting a copy exposure indicator using the copy exposure adjustment keys 2 Change the setting using the zoom keys Copy exposure indicator Description Setting range Ini...

Page 126: ...nce when correcting the main charger potential output Purpose To check the drum status Also used to clear the count after replacing the drum during regular maintenance Since the count was cleared before shipping do not clear it when installing Method 1 Press the start key 2 Select the item by lighting a copy exposure indicator using the copy exposure adjustment keys Copy exposure indicator Descrip...

Page 127: ...ess the stop clear key The indication for selecting a maintenance item No appears U130 Initial setting for the developer Description Automatically sets the toner sensor control voltage and toner feed start level for the installed developer Purpose To set the initial settings for the developer when installing the machine or replacing the developer Method 1 Press the start key 2 Press the start key ...

Page 128: ...etected frequently Method 1 Press the start key 2 Press the start key Operation starts and the current data is displayed Toner is replenished until the toner sensor output value reaches the toner feed start level 3 Display each data by lighting the respective copy exposure indicator using the copy exposure adjustment keys Copy exposure indicator Description Exp 1 Toner sensor output value after st...

Page 129: ...30 or the toner empty level to be determined by the difference from the toner feed start level Purpose To check the toner feed start level and toner empty level Method 1 Press the start key 2 Select the item by lighting a copy exposure indicator using the copy exposure adjustment keys Copy exposure indicator Description Exp 1 Toner feed start level Exp 2 Difference between the toner feed start lev...

Page 130: ...on To exit this maintenance item without changing the time press the stop clear key The indication for selecting a maintenance item No appears U158 Checking clearing the developing count Description Displays the developing count for checking clearing or changing a figure which is used as a reference when correcting the toner control It is automatically cleared when U130 is executed Purpose To chec...

Page 131: ...letion Press the stop clear key The indication for selecting a maintenance item No appears U162 Stabilizing fixing forcibly Description Stops the stabilization fixing drive forcibly regardless of fixing temperature Purpose To forcibly stabilize the machine before the fixing section reaches stabilization temperature Method 1 Press the start key on appears 2 Press the start key The forced stabilizat...

Page 132: ...or selecting a maintenance item No appears U200 Turning all LEDs on Description Turns all the LEDs on the operation panel on Purpose To check if all the LEDs on the operation panel light Method Press the start key All the LEDs on the operation panel light Press the stop clear key or wait for 10 s The LEDs turns off and the indication for selecting a maintenance item No appears U203 Operating DF se...

Page 133: ...el lights 3 As the keys lined up in the same line as the lit indicator are pressed in the order from the top to the bottom the figure shown on the copy quantity display increases in increments of 1 When all the keys in that line are pressed and if there are any LEDs corresponding to the keys in the line on the immediate right the top LED in that line will light 4 When all the keys on the operation...

Page 134: ...witch OSLSW Maintenance indicator DF safety switch 2 DFSSW2 Memory overflow indicator DF safety switch 1 DFSSW1 Completion Press the stop clear key The indication for selecting a maintenance item No appears U250 Setting the maintenance cycle Description Displays and changes the maintenance cycle Purpose To check and change the maintenance cycle Method Press the start key The current setting is dis...

Page 135: ...stination Purpose To be executed after replacing the backup RAM on the main PCB or initializing the backup RAM by running maintenance item U020 in order to return the setting to the value before replacement or initialization Method Press the start key Setting 1 Select the destination using the zoom keys Display Description JPn Metric Japan specifications Inc Inch North America specifications EUP M...

Page 136: ...m No appears Completion To exit this maintenance item without changing the current setting press the stop clear key The indication for selecting a maintenance item No appears U254 Turning auto start function on off Description Selects if the auto start function is turned on Purpose Normally no change is necessary If incorrect operation occurs turn the function off this may solve the problem Method...

Page 137: ...he stop clear key The indication for selecting a maintenance item No appears U256 Turning auto preheat energy saver function on off Description Selects if the auto preheat energy saver function is turned on When set to ON the time to enter preheat energy saver mode can be changed in copy management mode Purpose According to user request to set the preheat time to save energy or enable copying prom...

Page 138: ...ter toner empty detection Off On Setting copy operation at toner empty detection between single and continuous copying 1 Select single or continuous copying using the zoom keys Display Description Sin Enables only single copying Con Enables single and continuous copying Initial setting Sin 2 Press the start key The setting is set Setting the number of copies after toner empty detection 1 Set the n...

Page 139: ...d Press the start key Setting 1 Select the copy count timing using the zoom keys Display Description FEd When secondary paper feed starts EJE When the paper is ejected Initial setting EJE 2 Press the start key The setting is set and the indication for selecting a maintenance item No appears Completion To exit this maintenance item without changing the current setting press the stop clear key The i...

Page 140: ...hing A6 0 0 to 3 0 0 5 Exp 3 flashing Postcard 0 0 to 3 0 0 5 Exp 4 flashing Folio 0 0 to 3 0 1 5 Exp 5 flashing Non standard 0 0 to 3 0 1 0 Setting for the printer mode Exp 1 lit A3 0 0 to 3 0 2 0 Exp 2 lit B4 0 0 to 3 0 1 5 Exp 3 lit A4 0 0 to 3 0 1 0 Exp 4 lit B5 0 0 to 3 0 0 7 Exp 5 lit A5 0 0 to 3 0 0 5 Exp 1 flashing B6 0 0 to 3 0 0 5 Exp 2 flashing A6 0 0 to 3 0 0 5 Exp 3 flashing Postcard ...

Page 141: ...eject tray When the job separator is not installed 250 When the job separator is installed 150 Purpose According to user request sets or cancels restriction on the number of sheets Method Press the start key Setting 1 Select on or oFF using the zoom keys Display Description on The number of sheets restricted oFF The number of sheets not restricted Initial setting on 2 Press the start key The setti...

Page 142: ...r key The indication for selecting a maintenance item No appears U345 Setting the value for maintenance due indication Description Sets when to indicate that the time for maintenance is about to be reached by setting the number of copies that can be made before the current maintenance cycle ends When the difference between the number of copies of the maintenance cycle and that of the maintenance c...

Page 143: ...ting Adjustment See page 1 6 15 U403 Adjusting margins for scanning an original on the contact glass Adjustment See page 1 6 38 U404 Adjusting margins for scanning an original from the DF Description Adjusts margins for scanning the original from the DF Purpose Used if margins are not correct when the optional DF is used Caution Before making this adjustment ensure that the following adjustments h...

Page 144: ...rect margin amount 3 Press the start key The value is set Interrupt copy mode While this maintenance item is being performed copying from an original can be made in interrupt copy mode Completion Press the stop clear key while a selection item is displayed The indication for selecting a maintenance item No appears U407 Adjusting the leading edge registration for memory image printing Adjustment Se...

Page 145: ...e 1 copy count Exp 3 Clearing the count CLE 3 Photo Text Text Photo Auto Exposure Exp 1 First 3 digits of paper source 2 copy count Exp 2 Last 3 digits of paper source 2 copy count Exp 3 Clearing the count CLE 4 Photo Text Text Photo Auto Exposure Exp 1 First 3 digits of paper source 3 copy count Exp 2 Last 3 digits of paper source 3 copy count Exp 3 Clearing the count CLE 5 Photo Text Text Photo ...

Page 146: ...lecting a maintenance item No appears U904 Checking clearing the service call counts Description Displays or clears the service call code counts by types Purpose To check the service call code status by types Also to clear the service call code counts after replacing consumable parts Method 1 Press the start key 2 Display the service call code to check the count using the copy exposure adjustment ...

Page 147: ...ount CLE 2 Photo Text Text Photo Auto Exposure Exp 1 First 3 digits of the single sided original feed count Exp 2 Last 3 digits of the single sided original feed count Exp 3 Clearing the count CLE Off On Clearing 1 Select the count to be cleared 2 Light exp 3 using the copy exposure adjustment keys 3 Press the start key The count is cleared Completion Press the stop clear key The indication for se...

Page 148: ...iption Selects whether to read out the backup data on the main PCB to the NVRAM on the memory tool PCB or to write backup data on the NVRAM on the memory tool PCB to the main PCB When the memory is initialized maintenance items U020 U021 U022 and U252 this is set to read out the backup data from the main PCB to the NVRAM on the memory tool PCB To write the backup data to the main PCB from the NVRA...

Page 149: ...ntenance item without changing the accumulated time press the stop clear key The indication for selecting a maintenance item No appears U992 Checking or clearing the printer count Description Displays clears or changes the print count of the printer function when the optional printer board is installed Purpose To check the use of the printer function Method 1 Press the start key 2 Select the item ...

Page 150: ...C PG pattern Method 1 Press the start key 2 Select the VTC PG pattern to be output using the copy exposure adjustment keys Display PG pattern to be output Purpose 0 Center line adjustment 1 Lateral squareness adjustment Magnification adjustment 2 Checking the fixing performance fixing pressure 3 Press the interrupt key The machine enters the PG pattern output mode 4 Press the start key A VTC PG pa...

Page 151: ...t 23 of the address 00 to FF Exp 2 Bit 8 to bit 15 of the address 00 to FF Exp 3 Bit 0 to bit 7 of the address 00 to FF 2 Enter the address in hexadecimal using the keys listed below Key Character Numeric keys 0 to 9 Printer key A Transparency key B Margin key C Book erase key D Border erase key E Layout key F 3 Press the start key The address is set Printing the list 1 Press the interrupt key The...

Page 152: ...er conveying unit or drawer Paper misfeed detection can be reset by opening and closing the respective covers to turn safety switch 1 2 or 3 off and on Standard for 20 cpm copier optional for 15 cpm copier 20 cpm copier Figure 1 5 1 15 cpm copier Figure 1 5 2 1 Upper drawer 2 Lower drawer 3 Optional drawer 1 4 Optional drawer 2 5 Bypass tray 6 Paper conveying section 7 Feedshift section 8 Duplex u...

Page 153: ...ction Misfeed in fixing section Misfeed in eject section Jam in job separator eject section job separator Jam in feedshift section duplex unit finisher Jam in duplex paper conveying section 1 duplex unit finisher Jam in duplex paper conveying section 2 duplex unit finisher No original feed STDF SRDF An original jam in the original feed and conveying section 1 SRDF An original jam in the original f...

Page 154: ...2AV X 1 5 3 1 5 2 Paper misfeed detection conditions DFSW RSW ESW DFSW ST 1 Figure 1 5 3 ...

Page 155: ... Timing chart 1 5 2 No paper feed from first optional drawer jam code 12 Drawer feed switch 1 DFSW does not turn on within 2160 ms of paper feed clutch ST 1 2 PFCL ST 1 turning on PFCL ST 1 2 OFF ON OFF ON DFSW 1 2160 ms Timing chart 1 5 3 No paper feed from second optional drawer jam code 13 Drawer feed switch ST 1 2 DFSW ST 1 does not turn on within 2160 ms of paper feed clutch ST 2 2 PFCL ST 2 ...

Page 156: ... 20 The registration switch RSW does not turn off within the time required to convey the length of the used paper size plus 2000 ms of turning on when paper is fed from the upper drawer RSW OFF ON Paper size 2000 ms Timing chart 1 5 8 The registration switch RSW does not turn off within the time required to convey the length of the used paper size plus 2000 ms of turning on when paper is fed from ...

Page 157: ... sheets in bypass tray jam code 22 The registration switch RSW does not turn off within 6320 ms of turning on when paper is fed from the bypass tray RSW OFF ON 6320 ms Timing chart 1 5 13 3 Paper conveying section Misfeed in registration transfer section jam code 30 The registration switch RSW does not turn off within 1740 ms of drawer feed switch 1 DFSW turning off when paper is fed from optional...

Page 158: ...AV X 1 5 7 1 5 5 Eject section Misfeed in eject section The eject switch ESW does not turn off within 2475 ms of the registration switch RSW turning off RSW OFF ON OFF ON ESW 2475 ms Timing chart 1 5 16 ...

Page 159: ...PCB remains low when the registration switch is turned on and off If it does replace the registration switch With 5 V DC present at CN8 21 on the main PCB check if CN8 23 on the main PCB remains low when the drawer feed switch 1 is turned on and off If it does replace the drawer feed switch 1 With 5 V DC present at CN8 21 on the main PCB check if CN8 24 on the main PCB remains low when drawer feed...

Page 160: ...e deformed Broken registration switch actuator Defective registration switch Check if the bypass paper feed clutch malfunctions Electrical problem with the bypass paper feed clutch Change the paper Check visually and replace the pulleys if deformed Check visually and replace the drawer feed switch 1 if its actuator is broken With 5 V DC present at CN8 21 on the main PCB check if CN8 23 on the main...

Page 161: ...en With 5 V DC present at CN3 6 on the main PCB check if CN3 7 on the main PCB remains low when the registration switch is turned on and off If it does replace the registration switch Check visually and replace drawer feed switch ST 1 2 if its actuator is broken With 5 V DC present at CN8 21 on the main PCB check if CN8 24 on the main PCB remains low when drawer feed switch ST 1 2 is turned on and...

Page 162: ...is turned on and off If it does replace the drawer feed switch 1 Check visually and replace the registration switch if its actuator is broken With 5 V DC present at CN3 6 on the main PCB check if CN3 7 on the main PCB remains low when the registration switch is turned on and off If it does replace the registration switch Check visually and remedy if necessary Check visually and replace the drawer ...

Page 163: ...bnormal communication a communication error parity or checksum error is detected five times in succession DIMM problem Information on DIMM cannot be read out correctly at power on Bitmap problem There is a problem with the data or address bus of the bitmap DRAM DMA problem DMA transmission of compressed decompressed rotated relocated or blanked out image data does not complete within the specified...

Page 164: ...ive transmission system Poor contact of the connector terminals Defective scanner home position switch Defective main PCB Defective scanner motor Poor contact of the polygon motor connector terminals Check the connection of connectors CN24 CN23 CN22 and CN3 on the main PCB and the continuity across the connector terminals Repair or replace if necessary Replace the exposure lamp or inverter PCB Rep...

Page 165: ...ly Broken fixing heater wire Poor contact in the fixing unit thermistor connector terminals Broken fixing unit thermistor wire Fixing unit thermistor installed incorrectly Fixing unit thermostat triggered Reinsert the connector Also check for continuity within the connector cable If none repair or replace the cable Check if 24 V DC is present at CN3 1 and CN3 2 on the power source PCB If not repla...

Page 166: ...ing heater control circuit on the power source PCB Defective toner sensor Poor contact of the toner sensor connector terminals Developer problem Poor contact of the humidity sensor PCB connector terminals Defective external temperature thermistor Check and reinstall if necessary Check for continuity If none replace fixing heater Check the connection of connector CN12 on the main PCB and the contin...

Page 167: ...ontact of the humidity sensor PCB connector terminals Defective external temperature thermistor Image formation unit connector inserted incorrectly Defective image formation unit connector A problem is detected with the front side registration motor A problem is detected with the rear side registration motor A problem is detected with the trailing edge registration motor A problem is detected with...

Page 168: ...20 8 One side of the copy image is darker than the other See page 1 5 20 9 Black dots appear on the image See page 1 5 21 10 Image is blurred See page 1 5 21 11 The leading edge of the image is consistently misaligned with the original See page 1 5 21 12 The leading edge of the image is sporadically misaligned with the original See page 1 5 22 13 Paper creases See page 1 5 22 14 Offset occurs See ...

Page 169: ...or contact D Defective main PCB E Defective high voltage transformer PCB 2 Exposure lamp fails to light A The connector terminals of the exposure lamp make poor contact B Defective inverter PCB C Defective main PCB 2 No image appears entirely black Causes 1 No main charging 2 Exposure lamp fails to light Replace the wire Clean the main charger wire grid and shield Reinsert the connector Also check...

Page 170: ...veloper 3 Dirty or deteriorated drum Causes 1 Deteriorated developer Causes Check procedures corrective measures 1 Deteriorated developer Check the number of copies made with the current developer If it has reached the specified limit replace the developer If the display shows the message requesting toner replenishment replace the cartridge Check the number of copies made with the current develope...

Page 171: ...s 1 Dirty main charger wire 2 Defective exposure lamp Causes Check procedures corrective measures 1 Flawed drum 2 Dirty developing section 3 Leaking main charger housing 7 A black line ap pears laterally Causes 1 Flawed drum 2 Dirty developing section 3 Leaking main charger housing 8 One side of the copy image is darker than the other Causes 1 Dirty main charger wire 2 Defective exposure lamp Repl...

Page 172: ...rum 2 Dirty contact glass 3 Deformed or worn cleaning blade Causes 1 Scanner moves erratically 2 Deformed press roller 3 Paper conveying section drive problem Causes Check procedures corrective measures 1 Scanner moves erratically 2 Deformed press roller 3 Paper conveying section drive problem Check if there is any foreign matter on the front and rear scanner rails If any remove it Replace the pre...

Page 173: ...n and operation of the registration clutch bypass paper feed clutch and paper feed clutches If any of them operates incorrectly replace it 14 Offset occurs 13 Paper creases Causes 1 Paper curled 2 Paper damp 3 Defective pressure springs Causes Check procedures corrective measures 1 Paper curled Check the paper storage conditions 2 Paper damp Check the paper storage conditions 3 Defective pressure ...

Page 174: ...ee page 1 6 28 Causes 1 Misadjusted center line of image printing 2 Misadjusted scanner center line 3 Original placed incorrectly 15 Image is partly miss ing Causes 1 Paper damp 2 Paper creased 3 Drum condensation 4 Flawed drum Causes Check procedures corrective measures 1 Paper damp Check the paper storage conditions 2 Paper creased Replace the paper 3 Drum condensation Clean the drum 4 Flawed dr...

Page 175: ...loping bias output A Developing bias wire makes poor contact B Defective main PCB C Defective high voltage transformer PCB Adjust the installation position of the laser scanner unit see page 1 6 26 Adjust the installation position of the image scanning unit see page 1 6 30 Check the developing bias wire If there are any problems replace it Check if CN4 4 on the main PCB goes low when maintenance i...

Page 176: ...he front cover paper conveying unit and lower drawer left cover 1 Check for continuity If none replace the cord Check for continuity across the contacts If none replace the main switch Check for continuity If none remove the cause of blowing and replace the fuse Check for continuity across the contacts of each switch If none replace the switch With AC present check for 3 3 V DC at CN3 9 on the pow...

Page 177: ...ck for continuity across the coil If none replace cooling fan motor 3 Reinsert the connector Also check for continuity within the connector cable If none repair or replace the cable Check for continuity across the coil If none replace the drawer drive motor 1 Reinsert the connector Also check for continuity within the connector cable If none repair or replace the cable Check for continuity across ...

Page 178: ... wire Poor contact in the high voltage transformer PCB connector terminals Defective high voltage transformer PCB Defective original detection switch 3 Reinsert the connector Also check for continuity within the connector cable If none remedy or replace the cable If the exposure lamp does not turn on when CN24 1 and CN24 2 on the inverter PCB are held low replace the inverter PCB If the exposure l...

Page 179: ...the sensor operates correctly If not replace it Reinsert the connector Also check for continuity within the connector cable If none remedy or replace the cable Check if CN3 10 on the main PCB goes low when the upper paper switch is turned on with 5 V DC present at CN3 11 on the main PCB If not replace the upper paper switch Reinsert the connector Also check for continuity within the connector cabl...

Page 180: ...eck for continuity within the connector cable If none remedy or replace the cable Check if CN9 8 on the main PCB goes low when upper paper size switch 4 is turned on If not replace upper paper size switch 4 Check for continuity across the connector terminals If none replace them Check for continuity across each of lower paper size switches 1 1 2 1 3 1 and 4 1 If there is no continuity when each sw...

Page 181: ...rled Deformed guides along the paper conveying path Check if the contact between the right and left registration rollers is correct Check if the press roller is extremely dirty or deformed Check if the contact between the heat roller and its separation claws is correct Check if the developing section of the image formation unit is extremely dirty Check if the pulleys rollers and gears operate smoo...

Page 182: ...ands or any object prone to static charge Use only the specified parts to replace the fixing unit thermostat Never substitute electric wires as the copier may be seriously damaged Use the following testers when measuring voltages Hioki 3200 Sanwa MD 180C Sanwa YX 360TR Beckman TECH300 Beckman DM45 Beckman 330 Beckman 3030 Beckman DM850 Fluke 8060A Arlec DMM1050 Arlec YF1030C Capable of measuring R...

Page 183: ... the start key Enter the maintenance item number using the cursor up down keys 20 cpm the zoom keys 15 cpm or numeric keys The selected maintenance item is run Press the stop clear key Press the start key Start End Maintenance mode is entered The maintenance item is selected Maintenance mode is exited Repeat the same maintenance item Run another maintenance item No No Yes Yes ...

Page 184: ...r 2 Remove the screw and then the handle rear side of the machine 3 Remove the two screws release the wires from the clamps and then detach the shaft handle retainer at the machine rear Figure 1 6 1 4 Remove the stop ring and then the paper feed clutch When refitting insert the cutout in the paper feed clutch over the stopper on the copier Figure 1 6 2 5 Remove the E ring and bushing from the pape...

Page 185: ...e unit from the lower front side in the direction of 2 Figure 1 6 5 9 Remove the screw holding each of the upper paper feed pulleys and then the pulleys 10 Replace the upper paper feed pulleys and refit all the removed parts Before returning the drawer turn the main switch on and check that the upper paper feed pulleys are positioned correctly the semicircular pulleys should be facing downward Fig...

Page 186: ...o that the screws holding the lower paper feed pulleys can be seen when the left cover is opened Figure 1 6 7 4 Remove the screws holding each of the lower paper feed pulleys and then the pulleys 5 Replace the lower paper feed pulleys and refit all the removed parts Before returning the drawer turn the main switch on and check that the lower paper feed pulleys are positioned correctly the semicirc...

Page 187: ...paper conveying unit and front cover and then remove the image formation unit see page 1 6 40 2 Remove the screw and then the fulcrum pin Figure 1 6 9 3 Disconnect the connector and remove the paper conveying unit Figure 1 6 10 4 Remove the two screws holding the lower left cover and then the cover Figure 1 6 11 Fulcrum pin Paper conveying unit Connector Lower left cover ...

Page 188: ... feed pulley and then the pulley Figure 1 6 12 6 Replace the bypass paper feed pulley and refit all the removed parts When refitting check that the cam on the rear of the shaft is correctly positioned see figure 1 6 13 Figure 1 6 13 Bypass paper feed pulley Cam ...

Page 189: ...he left registration cleaner assembly and refit all the removed parts Figure 1 6 14 4 Detaching and refitting the right registration cleaner assembly Follow the procedure below to replace the right registration cleaner assembly Procedure 1 Open the bypass tray paper conveying unit and front cover and then remove the image formation unit see page 1 6 40 2 Remove the right registration cleaner unit ...

Page 190: ...er Figure 1 6 16 4 Remove the gear and rack plate and detach the connector and then remove the bypass paper width switch Figure 1 6 17 5 Replace the bypass paper width switch and refit all the removed parts When replacing apply the specified grease to the printed surface of the new bypass paper width switch When refitting the gear move the front and rear rack plates to their innermost positions Fi...

Page 191: ...top clear key to exit maintenance mode End Select the items to be adjusted using the cursor up down keys For output example 1 decrease the value using the cursor left key For output example 2 increase the value using the cursor right key Message display RCL ON Leading edge registration RCL ON 2 Leading edge registration for when the paper pauses at the registration roller RCL DUP Leading edge regi...

Page 192: ... setting 0 Changing the value by 1 moves the leading edge by 1 0 mm Press the image mode selection key to light the text indicator Press the start key to output a test pattern Image mode selection key Text indicator is on Copy exposure adjustment keys Setting 1 leading edge registration Setting 2 Leading edge registration for when the paper pauses at the registration roller After adjusting the lea...

Page 193: ...le 2 Figure 1 6 20 Yes No Start Enter maintenance mode Enter 407 using the numeric keys Press the start key Press the interrupt key Press the start key and make a test copy Is the leading edge registration correct Press the start key The new setting is stored Setting range 10 10 Initilal setting 0 Changing the value by 1 moves the leading edge by 1 mm Press the stop clear key to exit maintenance m...

Page 194: ... using the numeric keys Press the start key Press the interrupt key Press the start key to output a test pattern Is the image correct Press the start key The new setting is stored LSU DECK Upper drawer LSU BYP Bypass tray LSU 2ND Lower drawer LSU 3RD Optional drawer 1 LSU 4TH Optional drawer 2 LSU DUP Duplex copying second face Press the stop clear key to exit maintenance mode End Select Adjusting...

Page 195: ...tput example 1 decrease the value using the zoom key For output example 2 increase the value using the zoom key Setting range 5 0 5 0 Initial setting 0 Changing the value by 1 moves the center line by 1 mm Select the item to be adjusted using the copy exposure adjustment keys Image mode selection key Photo and text indicators are on Copy exposure adjustment keys Setting 1 Upper drawer 2 Bypass tra...

Page 196: ... Printer trailing edge margin for duplex copying second face 5 10 4 5 0 5 mm Select the items to be adjusted using the cursor up down keys Are the margins correct Change the setting Increasing the value using the cursor right key makes the margin winder Decreasing the value using the cursor left key makes the margin narrower Press the interrupt key LEAD printer leading edge margin AC printer left ...

Page 197: ... the margins correct Change the setting Increasing the value using the zoom key makes the margin wider Decreasing the value using the zoom key makes the margin narrower Press the interrupt key Copy exposure adjustment keys Setting 1 printer leading edge margin 2 printer left right margins 3 printer trailing edge margin standard size 4 printer trailing edge margin non standard size Yes No Press the...

Page 198: ...amount of slack the smaller the value the smaller the amount of slack The new setting is stored Select the item to be adjusted using the cursor up down keys Select RESIST DATA or FEED DATA using the cursor up down keys Amount of slack in the paper at the registration roller DECK Upper drawer BYPASS Bypass tray DECK2 Lower drawer DUPLEX Duplex copying second face Amount of slack in the paper at the...

Page 199: ...mode selection key to light the text indicator or the photo and text indicators Is the leading edge of the image missing or varying randomly copy example 1 Is the copy paper Z folded copy example 2 Increase the value using the zoom key Press the start key End Press the stop clear key to exit maintenance mode Image mode selection key Text indicator is on Copy exposure adjustment keys Setting 1 Uppe...

Page 200: ...Figure 1 6 23 3 Move the mirror 1 frame to the cutouts of the machine Caution When moving the mirror 1 frame do not touch the exposure lamp nor the inverter PCB 4 Remove the screw holding the metal plate at the machine rear and then the plate Figure 1 6 24 5 Detach the exposure lamp connector from the inverter PCB 6 Remove the two screws holding the exposure lamp and then the lamp 7 Replace the ex...

Page 201: ...ver upper rear cover upper left cover front left cover rear left cover slit glass and operation unit 3 Remove the inverter wire guide plate and then the wire from the inverter PCB Figure 1 6 26 4 Remove the screw holding each of the front and rear wire retainers and then remove the mirror 1 frame from the scanner unit Figure 1 6 27 5 Unhook the round terminal of the scanner wire from the scanner t...

Page 202: ...re stoppers P N 3596811 Procedure 1 Remove the three screws and detach the connector and then remove the scanner motor unit Figure 1 6 29 2 Remove the E ring and bushing from the rear of the scanner wire drum shaft and then remove the E ring two shims spring and bushing from the front of the shaft 3 Remove the scanner wire drum shaft from the scanner unit Figure 1 6 30 Connector Scanner motor unit...

Page 203: ...end of each of the wires inward 5 Secure the scanner wires using the scanner wire stoppers Figure 1 6 31 6 Refit the scanner wire drum shaft to the scanner unit 7 Insert the two frame securing tools into the positioning holes at the front and rear of the scanner unit to pin the mirror 2 frame in position Figure 1 6 32 Three turns Three turns Four turns Four turns Locating ball Scanner wire drum Sc...

Page 204: ...in the scanner wire pulleys at the left of the scanner unit winding from below to above 4 12 Loop the scanner wires around the outer grooves in the pulleys on the mirror 2 frame winding from below to above 5 13 Wind the scanner wires around the grooves in the scanner wire guides at the left of the scanner unit 6 14 Hook the round terminals onto the scanner tension springs 7 Figure 1 6 34 15 Remove...

Page 205: ...Open the front cover 2 Remove the two screws holding the eject tray and then the tray Figure 1 6 35 3 Remove the two screws and detatch the two connectors and then remove the fan duct Figure 1 6 36 4 Remove the three screws and detatch the two connectors and then remove the laser scanner unit Figure 1 6 37 Eject tray Fan duct Connector Laser scanner unit Connector ...

Page 206: ...removed parts Caution Before fitting the new laser scanner unit fit the LSU front spacer and LSU right spacer by orienting the markings correctly and using the correct layer as specified on the label on the laser scanner unit cover Figure 1 6 38 LSU front spacer LSU right spacer ...

Page 207: ...rect Enter maintenance mode Enter 993 using the numeric keys Press the interrupt key 20 cpm Select VTC PG2 using the cursor up down keys 15 cpm Select 2 using the copy exposure adjustment keys Press the start key Turn the main switch off and remove the laser scanner unit see page 1 6 24 Change the insertion direction of the LSU front spacer see table 1 6 1 Press the stop clear key to exit maintena...

Page 208: ...right spacer see table 1 6 2 Press the stop clear key to exit maintenance mode Correct image Copy example 1 Copy example 2 Vertical shifting X mm Vertical shifting X mm Top layer Position of LSU right spacer indicates that the copy image shifts toward the bottom copy example 1 indicates that the copy image shifts toward the top copy example 2 2nd layer from the top LSU right spacer LSU right space...

Page 209: ...s P N 1856812 Procedure Detaching the ISU 1 Remove the contact glass see page 1 6 19 2 Remove the rear and shield covers and detach connectors CN22 and CN23 on the main PCB Figure 1 6 41 3 Remove the eight screws holding the ISU cover and then the cover Figure 1 6 42 4 Remove the two screws holding the paper size switch and then the switch 5 Remove the four screws holding the ISU and then the ISU ...

Page 210: ... 29 1 6 Refitting the ISU 1 Fit the ISU using the two positioning pins 2 Secure the ISU using the four screws 3 Remove the two positioning pins and refit all the removed parts Figure 1 6 44 ISU Positioning pins ...

Page 211: ...ttern in maintenance item U993 to use as the original for the adjustment Procedure Refit the contact glass Remove the contact glass and adjust the lateral squareness of the ISU by rotating the pin For copy example 1 rotate the pin in the direction of the black arrow For copy example 2 rotate the pin in the direction of the white arrow e Yes No Press the start key and make a test copy at 100 magnif...

Page 212: ...tput a VTC PG2 pattern in maintenance item U993 to use as the original for the adjustment Procedure Yes No Press the start key and make a test copy at 100 magnification Start Remove the contact glass Loosen the two screws and adjust the position of the mirror 2 frame For copy example 1 move the frame in the direction of the white arrow e For copy example 2 move the frame in the direction of the bl...

Page 213: ...ge 1 6 37 after this adjustment Procedure 20 cpm Enter maintenance mode Enter 065 using the numeric keys Yes No Start End Press the interrupt key Place an original and press the start key to make a test copy Is the image correct Setting range 25 25 Initial setting 0 Changing the value by 1 changes the magnification by 0 1 Increasing the value makes the image wider and decreasing it makes the image...

Page 214: ...lue makes the image wider and decreasing it makes the image narrower For copy example 1 increase the value using the zoom key For copy example 2 decrease the value using the zoom key Press the start key The new setting is stored Select 1 main scanning direction using the copy exposure adjustment keys Press the start key Press the stop clear key to exit maintenance mode Copy exposure adjustment key...

Page 215: ...g the numeric keys Yes No Start Press the interrupt key Place an original and press the start key to make a test copy Is the image correct Setting range 25 25 Initial setting 0 Changing the value by 1 changes the magnification by 0 1 Increasing the value makes the image longer and decreasing it make the image shorter For copy example 1 increase the value using the cursor right key For copy example...

Page 216: ...es the image longer and decreasing it make the image shorter For copy example 1 increase the value using the zoom key For copy example 2 decrease the value using the zoom key Press the start key The new setting is stored Press the start key Select 2 auxiliary scanning direction using the copy exposure adjustment keys End Press the stop clear key to exit maintenance mode Copy exposure adjustment ke...

Page 217: ...ress the start key Press the interrupt key Place an original and press the start key to make a test copy 20 cpm For copy example 1 increase the value using the cursor right key For copy example 2 decrease the value using the cursor left key 15 cpm For copy example 1 increase the value using the zoom key For copy example 2 decrease the value using the zoom key Press the start key The new setting is...

Page 218: ...rrupt key Place an original and press the start key to make a test copy Is the scanner center line correct Press the start key The new setting is stored Setting range 39 0 39 0 Initial setting 0 Changing the value by 1 moves the center line by 0 17 mm 20 cpm For copy example 1 increase the value using the cursor right key For copy example 2 decrease the value using the cursor left key 15 cpm For c...

Page 219: ...he start key to make a test copy Press the start key The new setting is stored Setting range default Scanner left margin 0 10 2 Scanner leading edge margin 0 10 3 Scanner right margin 0 10 2 Scanner trailing edge margin 0 10 2 Changing the value by one moves the margin by 0 5 mm for all Select the item to be adjusted using the cursor up down keys Are the margins correct Press the interrupt key A M...

Page 220: ... right margin 0 10 2 Scanner trailing edge margin 0 10 2 Changing the value by one moves the margin by 0 5 mm for all Select the item to be adjusted using the copy exposure adjustment keys Are the margins correct Press the interrupt key Yes No Proceed to another mode End Press the stop clear key to exit maintenance mode Copy exposure adjustment keys Setting 1 scanner left margin 2 scanner leading ...

Page 221: ...ver and then remove the toner cartridge and waste toner tank 2 Remove the two screws and disconnect the connector While pressing the hook on the front image formation cover pull the image formation unit out Figure 1 6 53 3 Remove the screw holding the charger assemby and then the assembly 4 Replace the charger assembly and refit all the removed parts Figure 1 6 54 Image formation unit Connector Ho...

Page 222: ...when replacing the tungsten wire Do not use organic solvents such as alcohol or thinner to clean the shield grid Do not leave dust or dirt after cleaning the shield grid Procedure 1 Remove the image formation unit see page 1 6 40 2 Remove the charger assembly see page 1 6 40 3 Remove the main charger front and rear lids 4 Remove the shield grid from the front of the charger assembly 5 Remove the t...

Page 223: ...t be adjusted so that the distance between the spring end and the rib on the main charger rear housing is 2 4 mm 9 Insert the tungsten wire retainer pin into the projection on the main charger rear housing to secure the tungsten wire 10 Cut off the excess wire under the tungsten wire retainer pin The cut end of the tungsten wire must protrude less than 2 mm 11 Refit the main charger front and rear...

Page 224: ...e letter indicating the drum type G H or J printed on the new drum flange When fitting the drum orient it correctly so that the gear is positioned at the machine rear When fitting the drum shaft insert it fully Figure 1 6 58 5 Remove the front image formation unit cover Rub the contacting surfaces of the drum shaft and drum drive grounding plate with a cloth and then apply the GE 334C conductive g...

Page 225: ...n the cover Caution When refitting the doctor blade cover be sure to refit the bias wire Figure 1 6 61 5 Measure the distance between the doctor blade and the developing roller at the three points indicated by the circles using a thickness gauge Adjust the distances with the three screws until the correct measurements are obtained the 0 55 mm gauge should go into the gap and the 0 65 mm one should...

Page 226: ...ller assembly Procedure 1 Open the bypass tray and paper conveying unit 2 Remove the transfer roller assembly Caution Remove the transfer roller assembly carefully to prevent the residual toner in the transfer roller assembly from spilling 3 Replace the transfer roller assembly and refit all the removed parts Figure 1 6 63 Transfer roller assembly ...

Page 227: ... 44 3 Remove the drum see page 1 6 43 4 Remove the three screws holding the cleaning blade and then the blade Caution When detaching and refitting the cleaning blade take care not to touch the blade Figure 1 6 64 5 Replace the cleaning blade and refit all the removed parts Caution When fitting the cleaning blade position the end of the thrust shaft on the notch in the thrust gear by turning the ge...

Page 228: ...l the removed parts Figure 1 6 66 3 Detaching and refitting the cleaning lower seal assembly Follow the procedure below to replace the cleaning lower seal assembly Procedure 1 Remove the image formation unit see page 1 6 40 2 Remove the drum see page 1 6 43 3 Remove the two screws holding the cleaning lower seal assembly and then the assembly Caution When detaching and refitting the cleaning lower...

Page 229: ...ch the three fixing unit connectors blue green and yellow at the machine rear Figure 1 6 68 3 Remove the two screws from the rear and the two pins from the front of the fixing unit and shift the unit toward the machine front Remove the drive pin on the copier and then remove the fixing unit When refitting the fixing unit be sure to return the two pins at the front of the unit to their original pos...

Page 230: ...g unit thermistor and refit all the removed parts Figure 1 6 70 3 Detaching and refitting the heat roller separation claws Follow the procedure below to replace the heat roller separation claws Procedure 1 Remove the fixing unit see page 1 6 48 2 Remove the spring from each of the five heat roller separation claws and then the claws 3 Replace the heat roller separation claws and refit all the remo...

Page 231: ...2 Detach the fixing heater connector Figure 1 6 72 3 Remove the screw holding each of the fixing heater front and rear retainers and then the retainers Fixing heater rear retainer Fixing heater front retainer Figure 1 6 73 4 Pull out the fixing heater from the fixing unit 5 Replace the fixing heater and refit all the removed parts Figure 1 6 74 Connector Fixing heater ...

Page 232: ...eparation claw assemblies see pages 1 6 49 and 50 3 Remove the two screws holding the eject guide and then the guide Figure 1 6 75 4 Remove the two stop rings collar gear spring pin and bushing on the rear of the eject roller and then remove the eject roller Figure 1 6 76 5 Remove the gear and detach the eject switch connector Figure 1 6 77 Eject guide Eject roller Spring pin Bushing Stop ring Sto...

Page 233: ...f the front and rear ends of the fixing unit Figure 1 6 79 8 Remove the C ring gear and bushing on the rear and the C ring and bushing on the front of the heat roller and then remove the heat roller 9 Replace the heat roller and refit all the removed parts Figure 1 6 80 Fixing housing Press springs Heat roller Bushing Bushing C ring Gear C ring ...

Page 234: ... Remove the fixing unit see page 1 6 48 2 Remove the heat roller see page 1 6 51 3 Remove the screw holding the fixing guide plate and then the plate Figure 1 6 81 4 Remove the press roller and two bearings 5 Replace the press roller and refit all the removed parts Figure 1 6 82 Fixing guide plate Press roller Bearing Bearing ...

Page 235: ...e the two screws holding the upper shield cover and then the cover 3 If the optional memory board is installed remove the memory board 15 cpm copier only 4 Fit the NVRAM to the memory tool PCB Caution After fitting the NVRAM do not remove it until the writing of the machine data completes 5 Insert the memory tool PCB into the copier and connect its CN1 to CN31 on the main PCB Note On the 15 cpm co...

Page 236: ...e machine data again 6 Insert the power plug and turn the main switch on LED1 green on the memory tool PCB flashes on for 1 s off for 1 s for approximately 10 seconds and the machine data on the SRAM of the main PCB will be backed up on the NVRAM 7 When flashing LED1 green on the memory tool PCB remains lit backing up of machine data is complete If an error occurs while the machine data is being b...

Page 237: ...is installed remove the memory board 15 cpm copier only 4 Fit the master ROM into the IC3 socket on the flash tool assembly 5 Connect CN2 on the flash tool PCB to CN2 on the memory tool PCB 6 Insert the memory tool PCB into the copier and connect its CN1 to CN31 on the main PCB Note On the 15 cpm copier insert the memory tool PCB along the upper and lower guides On the 20 cpm copier take care not ...

Page 238: ...e master ROM starts 8 When flashing LED2 green remains lit after approximately 30 to 40 seconds upgrading of the master ROM is complete 9 Turn the main switch on 10 Remove the memory tool PCB Important C021 may be indicated on the operation panel while upgrading the firmware However it does not interfere with the upgrading operation ...

Page 239: ...ch off and disconnect the power plug 2 Remove the two screws holding the upper shield cover and then the cover 3 Fit the master ROM into the IC3 socket on the flash tool assembly 4 Align the flash tool assembly with the cutout and insert into the copier Connect CN2 on the flash tool assembly to CN33 on the main PCB 5 Insert the power plug and turn the main switch on LED2 green on the flash tool as...

Page 240: ...ustment free variable resistors VR The variable resistors listed below are set at the factory prior to shipping and cannot be adjusted in the field High voltage transformer PCB VR101 VR102 VR201 VR301 VR302 Inverter PCB VR1 VR2 ...

Page 241: ... pulley 2 Lower paper feed pulley 1 3 Bypass paper feed pulley 4 Right registration roller 5 Left registration roller 6 Paper conveying roller 1 7 Paper conveying pulley 1 8 Drawer lift 9 Paper conveying guide 1 0 Bypass lift Transfer guide Right transfer guide Upper paper feed clutch PFCL U Lower paper feed clutch 1 PFCL L Bypass paper feed clutch BYPPFCL Upper paper switch PSW U Lower paper swit...

Page 242: ... after the leading edge of the first paper turns the registration switch RSW on the registration clutch RCL turns on and the right registration roller rotates c 300 ms after the trailing edge of the first paper turns the registration switch RSW off the registration clutch RCL turns off d 2927 ms for the 20 cpm 3871 ms for the 15 cpm after the upper paper feed clutch PFCL U turns on the upper paper...

Page 243: ... b 3000 ms after the drive motor DM turns on the bypass paper feed clutch BYPPFCL turns on and the bypass paper feed pulleys rotate to start primary paper feed c 263 ms after the leading edge of the paper turns the registration switch RSW on the registration clutch RCL turns on and the right registration roller rotates d 300 ms after the trailing edge of the paper turns the registration switch RSW...

Page 244: ...o form a latent image on the surface The shield grid ensures that the charge is applied uniformly Tungsten wire Drum Main charger assembly Shield grid Figure 2 1 3 Main charging section Figure 2 1 4 Main charger assembly 1 Main charger housing 2 Main charger front lid 3 Main charger rear lid 4 Tungsten wire 5 Charger spring 6 Charger terminal 7 Charger pin 8 Shield grid ...

Page 245: ...C ALM CN1 1 Figure 2 1 5 Main charging section block diagram Start key DM MC REM ESW 500 ms 840 ms Timing chart 2 1 3 Main charging a 500 ms after the start key is pressed main charging MC REM starts b 840 ms after the trailing edge of the paper turns the eject switch ESW off main charging MC REM is completed ...

Page 246: ...age scanning unit for scanning and the laser scanner unit for printing Figure 2 1 6 Optical section 1 Mirror 1 frame 2 Mirror 2 frame 3 Exposure lamp EL 4 Mirror 1 5 Mirror 2 6 Mirror 3 7 Lens 8 CCD PCB CCDPCB 9 Image scanning unit 0 Laser scanner unit LSU Scanner motor SM Scanner home position switch SHPSW ...

Page 247: ...1 1 CN1 10 CN2 1 CN2 6 CN28 1 CN28 6 CCDPCB EL SHPSW SM Original Figure 2 1 7 Optional section block diagram Start key SM DM RSW 1078 P 168 P 5294 P 4048 P 178 ms Fwd rotation Rev rotation Copy paper A4 11 81 2 magnification ratio 100 Timing chart 2 1 4 Scanner operation a When the start key is pressed the scanner motor SM reverses for 1078 pulses and then turns off b 168 pulses after the scanner ...

Page 248: ...laser scanner unit LSU By repeatedly turning the laser on and off the laser scanner unit forms a latent image on the drum surface Figure 2 1 8 Laser scanner unit 1 1 Laser diode PCB LDPCB 2 Laser diode 3 Collimator lens 4 Cylindrical lens 5 Lenses 6 Polygon mirror 7 Polygon motor PM 8 fθ lens 9 fθ lens 0 BD sensor mirror Cylindrical correcting lens BD sensor ...

Page 249: ...al alignment of the polygon mirror to ensure that the focal plane of the laser beam is on the drum surface 8 BD sensor mirror Reflects the laser beam to the BD sensor to generate the main direction horizontal sync signal 9 Cylindrical correcting lens Corrects for the deviation of the laser beam reflected by the BD sensor mirror to the BD sensor 0 BD sensor Detects the beam reflected by the BD sens...

Page 250: ...e and the developing spirals that agitate the developer Toner from the toner cartridge and residual toner collected in the cleaning section are conveyed to the waste toner tank Toner cartridge Toner feed motor TFM Developing unit Figure 2 1 12 Developing section Cleaning spiral Toner recycling assembly Waste toner tank Flow of the recycled toner Left developing spiral Right developing spiral Figur...

Page 251: ...ller and the position of the doctor blade A developing bias voltage generated by the high voltage transformer PCB HVTPCB is applied to the developing roller to provide image contrast A A Distance between the doctor blade and developing roller 0 6 0 05 mm Figure 2 1 14 Forming a magnetic brush CN4 1 24 V DC MPCB CN1 9 DB HVTPCB CN4 4 DB REM CN1 6 CN4 7 CN13 2 CN13 3 CN11 1 2 DB CONT TNS SIG TNS CON...

Page 252: ... feed start level 3 s after the drive motor DM has turned on end of toner empty detection inhibit time the toner feed motor TFM turns on to replenish toner b As toner is replenished the toner sensor output voltage falls until it drops below the toner feed stop level and replenishing stops c When the toner sensor output voltage exceeds the toner empty detection level after toner replenishing is car...

Page 253: ...bsolute humidity is between 1 5 and 4 0 g m3 the correction data is reduced according to the rise in absolute humidity c When the absolute humidity is between 4 0 and 10 0 g m3 the correction data becomes 0 d When the absolute humidity is between 10 0 and 18 0 g m3 the correction data is decreased according to the rise in absolute humidity reducing the toner sensor control voltage e When the absol...

Page 254: ... decreased according to the increase in the total drive motor time g When the total drive motor time is between 3000 and 6000 min the toner sensor control voltage is corrected with a constant value of 30 h When the total drive motor time is between 6000 and 7000 min the correction data is decreased according to the increase in the total drive motor time i When the total drive motor time exceeds 70...

Page 255: ...B HVTPCB is applied to the transfer roller for transfer charging Toner adhered to the transfer roller is removed by the transfer cleaner Separation claw pulleys Drum separation claws Transfer roller Transfer cleaner Figure 2 1 20 Transfer and separation section CN4 1 24 V DC MPCB CN1 9 TC Drum Transfer roller HVTPCB CN4 5 TC REM CN1 5 CN4 8 TC CONT CN1 2 Figure 2 1 21 Transfer and separation secti...

Page 256: ...ng chart 2 1 5 Operation of transfer a 418 ms after the registration clutch RCL turns on to start secondary paper feed transfer charging TC REM starts b 474 ms after the trailing edge of the paper turns the registration switch RSW off transfer charging TC REM ends ...

Page 257: ... of the cleaning blade that removes residual toner from the drum surface after the transfer process and the cleaning spiral that carries the residual toner back to the waste toner tank Cleaning spiral Lower cleaning seal Drum Cleaning blade Figure 2 1 22 Cleaning section ...

Page 258: ... 1 23 Charge erasing section CN12 2 CL REM MPCB Drum CL Figure 2 1 24 Charge erasing section block diagram Start key DM MC REM CL 1316 ms Timing chart 2 1 6 Operation of charge erasing a When the start key is pressed the drive motor DM and cleaning lamp CL turn on simultaneously b 1316 ms after main charging MC REM ends the drive motor DM and cleaning lamp CL turn off simultaneously ...

Page 259: ... roller by heat roller separation claws and is ejected from the fixing section by the rotation of the eject pulley and roller Figure 2 1 25 Fixing section CN4 1 CN3 3 FH REM 24 V DC 24 V DC R1 24 V DC R1 24 V DC R2 CN32 1 CN32 3 CN10 7 CN10 3 FTH 5 V DC MPCB PSPCB CN2 1 CN2 3 CN12 9 CN12 8 FTS Heat roller FH SSW1 FTH SSW2 Figure 2 1 26 Fixing section block diagram 1 Upper fixing housing 2 Lower fi...

Page 260: ...polygon motor PM of the laser scanner unit and developing bias DB REM turn on c When the fixing temperature reaches the primary stabilization temperature 135 C 275 F the drive motor DM turns on Cooling fan motors 1 2 and 3 CFM1 2 and 3 start rotating at full speed d When the fixing temperature reaches the secondary stabilization temperature 160 C 320 F the fixing heater FH turns on and off to main...

Page 261: ...NPCB Controls the exposure lamp 5 CCD PCB CCDPCB Reads the image off originals 6 Operation unit PCB OPCB Consists of the operation keys and display LEDs 7 Laser diode PCB LDPCB Generates and controls the laser light 8 Beam detection PCB BDPCB Detects the laser light 9 Memory PCB MEMPCB Reads and outputs the image 10 Drawer drive motor PCB DDMPCB Controls the drawer drive motor in the lower drawer ...

Page 262: ...er in the upper drawer 8 Lower paper size switch 1 PSSW1 L Detects the width of paper in the lower drawer 9 Upper paper size switch 2 PSSW2 U Detects the length of paper in the upper drawer 10 Lower paper size switch 2 PSSW2 L Detects the length of paper in the lower drawer 11 Upper paper size switch 3 PSSW3 U Detects the length of paper in the upper drawer 12 Lower paper size switch 3 PSSW3 L Det...

Page 263: ...e size of the original 21 Registration switch RSW Controls the secondary paper feed start timing 22 Eject switch ESW Detects a paper misfeed in the fixing section 23 Toner sensor TNS Detects the toner density in the developing section 24 Waste toner detection switch WTDSW Detects the presence of the waste toner tank 25 Humidity sensor HUMSENS Detects absolute humidity 26 Fixing unit thermistor FTH...

Page 264: ...otor 1 CFM1 Cools the fixing section 5 Cooling fan motor 2 CFM2 Cools the machine interior 6 Cooling fan motor 3 CFM3 Cools the machine interior 7 Polygon motor PM Drives the polygon mirror 8 Drawer drive motor DDM Drives the paper feed system in the lower drawer Optional for the 15 cpm copier standard for the 20 cpm copier 4 1 8 5 6 7 3 2 Machine front Machine inside Machine rear ...

Page 265: ...4 Registration clutch RCL Secondary paper feed 5 Exposure lamp EL Exposes originals 6 Cleaning lamp CL Removes residual charge from the drum surface 7 Fixing heater FH Heats the heat roller 8 Fixing unit thermostat FTS Prevents overheating in the fixing section 9 Total counter TC Displays the total number of copies produced 10 Drawer heater DH Dehumidifies the drawer section Optional for the 15 cp...

Page 266: ...he power MOSFET Q1 on and off to switch the current induced in the primary coil of the transformer T1 The 24 V DC output circuit smoothes the current induced in the secondary coil of the transformer T1 via diode D9 and smoothing capacitors C29 and C30 and outputs a stable 24 V DC by the function of the shunt regulator IC2 It also monitors the 24 V DC output status which is fed back to PWM controll...

Page 267: ... LUG1 C35 C36 C46 C45 PC1 TR1 IC1 LUG2 L3 F1 R15 Z2 AL TB5 C23 TB3 IC4 Q3 HS2 100V C29 CN4 C42 C43 C32 C31 D9 C30 C91 C37 C34 L4 IC5 IC3 HS3 R31 C15 D1 Q1 TB4 TH1 C11 C13 CN5 CN2 L2 L6 L1 TB1 TB2 Z1 F3 C1 C2 LUG3 CN3 HS4 B2 B1 T1 C17 HS5 C14 PC3 PC2 L5 D13 IC6 IC7 IC8 PT1 LUG1 C35 C36 C46 C45 PC1 TR1 IC1 LUG2 L3 F1 F2 R15 Z2 AL TB5 C23 TB3 IC4 Q3 HS2 200V Figure 2 3 2 Power source PCB silk screen ...

Page 268: ...y for FH output 2 3 2 1 220 240 V AC AC supply for FH output 2 3 1 2 3 3 4 24 V DC 24 V DC supply for MPCB output 3 5 6 3 7 8 5 1 V DC 5 1 V DC supply for MPCB output 3 9 3 10 3 3 V DC 3 3 V DC supply for MPCB output 4 1 3 3 0 5 V DC FH on off input 4 3 4 2 12 V DC 12 V DC supply for MPCB output 5 2 5 1 120 V AC 120 V AC supply for drawer heater 1 DH output 5 2 5 1 220 240 V AC 220 240 V AC supply...

Page 269: ... 2 3 3 Main PCB block diagram 15 cpm copier The main PCB MPCB consists mainly of the CPU IC16 It communicates with the printer controller and controls the memory PCB image processing system and engine drive system The CPU IC16 operates on an 8 bit bus It uses the SRAM IC15 and IC17 for work memory and backup memory In accordance with the control program in FEEPROM IC11 the CPU IC16 communicates wi...

Page 270: ...2 13 15 14 2 1 25 26 CN7 IC30 IC29 1 4 1 2 1 2 1 6 7 15 11 1 10 IC11 BAT1 2AV2801 REV 2 IC15 10 11 1 20 CN28 IC6 IC31 B2 B1 A2 A1 B20 B19 A20 A19 IC14 IC20 CN16 CN14 CN12 CN32 CN10 CN11 CN13 IC24 IC22 IC28 1 1 8 11 1 7 1 3 CN15 A12 B1 A1 B12 8 1 18 17 2 1 16 15 2 1 CN30 CN31 B40 B39 A40 A39 B2 B1 A2 A1 IC13 IC17 24 15 28 15 28 14 1 14 1 25 1 CN26 IC3 IC2 1 24 IC4 105 104 157 53 1 24 23 1 2 14 13 1...

Page 271: ...ge data Analog image data Odd Even BUF BUF BUF Driver Driver LCD controller IC12 SRAM IC19 ADC IC6 MIP IC15 MCP IC22 S H IC FEEPROM IC16 FEEPROM IC28 SRAM IC39 40 XIO IC42 43 CODEC IC46 Main CPU IC23 Operation unit CPU IC10 LCD Flash tool CCD PCB LSU Fax unit Printer controller Scanner PCB DIMM STDF SRDF Finisher Duplex unit Job separator Optional drawer Drive unit Scanner unit Developing unit Pap...

Page 272: ... via the serial communication function in the CPU and XIO IC43 and IC43 The main CPU IC23 controls ASIC MCP IC22 and CODEC IC46 during memory copying for sort and rotation copies The main CPU IC23 also controls the CCD PCB CCDPCB which is for image input control and the LSU which is for image output control via the image processing ASIC MIP IC15 and drives the machine conveys paper and detects abn...

Page 273: ...1 8 5 2 1 10 1 6 1 8 9 13 1 1 15 14 30 1 19 14 13 9 8 4 1 24 25 40 41 64 65 2 1 B29 B30 A29 A30 B1 B2 A1 A2 52 51 80 36 37 48 1 12 13 104 53 52 1 208 156 157 3 1 1 76 77 152 153 228 229 304 1 1 1 1 1 1 1 37 73 37 36 36 108 108 144 144 14 15 15 28 28 14 48 25 24 100 81 31 50 51 80 30 50 49 48 100 99 28 25 24 1 12 B1 B2 A1 A2 B2 B1 A2 A1 B2 B1 A2 A1 12 12 1 24 14 11 15 16 12 1 1 81 8 A12 A11 B1 A1 B...

Page 274: ...24 V DC supply for FSSOL 4 output 5 7 5 6 0 5 V DC DUPPCSW2 4 on off input 5 8 5 6 5 V DC 5 V DC supply for DUPPCSW2 4 output 5 10 5 9 0 5 V DC DUPPCSW1 4 on off input 5 11 5 9 5 V DC 5 V DC supply for DUPPCSW1 4 output 6 1 6 3 5 V DC 5 V DC supply for BYPPSW 1 output 6 2 6 3 0 5 V DC BYPPSW 1 on off input 6 4 6 7 0 5 V DC BYPPWSW width detection signal input 6 5 6 7 0 5 V DC BYPPWSW width detecti...

Page 275: ...eed full speed output 11 8 10 4 0 24 V DC CFM2 on off output 11 9 10 4 24 V DC 24 V DC supply for CFM3 output 11 10 10 4 12 24 V DC CFM3 half speed full speed output 11 11 10 4 0 24 V DC CFM3 on off output 12 1 12 12 24 V DC 24 V DC supply for CL output 12 2 12 12 0 24 V DC CL on off output 12 3 12 12 24 V DC 24 V DC supply for total counter output 12 4 12 12 0 24 V DC Total counter on off input 1...

Page 276: ...ut 15 8B 14 4 0 5 V DC OCM 3 rotational direction switching signal OCM CWB output 15 9B 14 4 OCM 3 current control voltage OCM Vref output 15 10B 14 4 0 5 V DC OCM 3 drive control signal OCM M3 output 15 11B 14 4 0 5 V DC OCM 3 drive control signal OCM M2 output 15 12B 14 4 0 5 V DC OCM 3 drive control signal OCM M1 output 16 1 16 2 0 5 V DC Job separator 3 duplex unit 4 connection signal input 16...

Page 277: ...nput 26 2 27 12 0 5 V DC OPCB KEY1 signal input 26 3 27 12 0 5 V DC OPCB KEY2 signal input 26 4 27 12 0 5 V DC OPCB KEY3 signal input 26 5 27 12 0 5 V DC OPCB KEY4 signal input 26 6 27 12 0 5 V DC OPCB KEY5 signal input 26 7 27 12 0 5 V DC OPCB KEY6 signal input 26 8 27 12 0 5 V DC OPCB KEY7 signal input 26 9 27 12 0 5 V DC OPCB LEDON0 signal output 26 10 27 12 0 5 V DC OPCB LEDON1 signal output 2...

Page 278: ... 5 24 V DC 24 V DC supply for SM output 28 3 24 5 0 24 V DC pulse SM coil energization pulse output A 28 4 24 5 0 24 V DC pulse SM coil energization pulse output B 28 5 24 5 24 V DC 24 V DC supply for SM output 28 6 24 5 0 24 V DC pulse SM coil energization pulse output _B 32 1 10 4 24 V DC 24 V DC supply for SSW2 output 32 3 10 4 0 24 V DC SSW2 on off input ...

Page 279: ...ge signals are analog signals Even and odd numbered pixels are output separately These analog image signals are amplified by emitter followers in the transistors TR1 and TR2 and then transmitted to the analog signal processing circuit in the main PCB MPCB Terminals CN Voltage Remarks 1 1 1 2 0 5 V DC pulse CCDPCB clock pulse input 1 3 1 4 0 5 V DC pulse CCDPCB clock pulse input 1 5 1 6 0 5 V DC pu...

Page 280: ...ed from the main PCB MPCB Upon detection of a laser beam from the laser diode LD1 the photo sensor PH1 outputs a horizontal sync signal BD to the main PCB MPCB The laser diode PCB LDPCB adjusts the laser diode drive current APC for each line scanned outside the image area when ADJUST is low to keep the laser beam output constant Terminals CN Voltage Remarks 1 2 1 7 0 5 V DC LCDPCB S H signal input...

Page 281: ...chine stabilization MSW FH PM DM DB REM CFM1 2 3 CN3 4 CN3 3 CN20 3 4 5 CN12 16 CN4 4 CN11 5 8 11 MSW ON 1500 ms 1000 ms Half speed Full speed Half speed 30 s 20 s Primary stabilization fixing temperature 135 C 275 F Secondary stabilization fixing temperature 160 C 320 F ...

Page 282: ...ner initialization SM Fwd rotation Off Rev rotation CN28 1 3 4 6 DM CN12 16 200 P 113 P 410 P 10774 P 10364 P 1078 P SM Fwd rotation Off Rev rotation CN28 1 3 4 6 DM CN12 16 200 P 200 P 113 P 410 P 10774 P 10364 P 1078 P SHPSW OFF SHPSW ON ...

Page 283: ...magnification ratio 200 Start key Any key SM DM RCL BYPPFCL MC REM CL RSW ESW TC REM DB REM CN28 1 3 4 6 CN12 16 CN4 10 CN4 12 CN4 3 CN12 2 CN3 7 CN12 6 CN4 5 CN4 4 2834 P 2834 P 2834 P 2362 P 1078 P 34 P 5136 P 4024 P 472 P 178 ms 3000 ms 500 ms 100 ms 263 ms 418 ms 474 ms 300 ms 840 ms 30 s 1316 ms Fwd rotation Rev rotation ...

Page 284: ...tio 100 20 cpm copier Start key Any key SM DM RCL PFCL U MC REM CL RSW ESW TC REM DB REM CN28 1 3 4 6 CN12 16 CN4 10 CN4 14 CN4 3 CN12 2 CN3 7 CN12 6 CN4 5 CN4 4 2834 P 2834 P 2834 P 2362 P 1078 P 168 P 5294 P 178 ms 100 ms 472 P 2927 ms 500 ms 100 ms 263 ms 418 ms 418 ms 300 ms 263 ms 300 ms 474 ms 474 ms 840 ms 30 s 1316 ms 4048 P Fwd rotation Rev rotation ...

Page 285: ...cpm copier Start key Any key SM DM RCL PFCL U MC REM CL RSW ESW TC REM DB REM CN28 1 3 4 6 CN12 16 CN4 10 CN4 14 CN4 3 CN12 2 CN3 7 CN12 6 CN4 5 CN4 4 2834 P 2834 P 2834 P 2362 P 1078 P 168 P 5294 P 178 ms 100 ms 472 P 3871 ms 500 ms 100 ms 263 ms 418 ms 418 ms 300 ms 263 ms 300 ms 474 ms 474 ms 840 ms 30 s 1316 ms 178 ms 5294 P 5294 P 4048 P Fwd rotation Rev rotation ...

Page 286: ...DDM 1 RCL PFCL L 1 MC REM CL RSW ESW JBESW 2 TC REM DB REM CN28 1 3 4 6 CN12 16 CN8 18 CN4 10 CN8 3 CN4 3 CN12 2 CN3 7 CN12 6 CN16 7 CN4 5 CN4 4 1078 P 340 P 10524 P 185 ms 100 ms 6667 ms 500 ms 100 ms 270 ms 418 ms 418 ms 300 ms 270 ms 300 ms 474 ms 474 ms 1840 ms 30 s 1316 ms 9106 P Fwd rotation Rev rotation 1 Optional for 15 cpm copier standard for 20 cpm copier 2 Optional for both 15 cpm and 2...

Page 287: ...tio 100 15 cpm copier Start key DM DDM DDM ST 1 RCL PFCL ST 1 MC REM CL RSW ESW DFSW TC REM DB REM CN12 16 CN8 18 CN8 19 CN4 10 CN8 4 CN4 3 CN12 2 CN3 7 CN12 6 CN8 23 CN4 5 CN4 4 100 ms 5715 ms 500 ms 100 ms 270 ms 380 ms 270 ms 418 ms 300 ms 300 ms 300 ms 380 ms 300 ms 474 ms 418 ms 474 ms 840 ms 30 s 1316 ms 4800 ms when the optional memory board is installed ...

Page 288: ...on to the finisher 20 cpm copier Start key DM DDM DDM ST 1 PCM RCL PFCL ST 1 MC REM CL RSW ESW JBESW DFSW TC REM DB REM CN12 16 CN8 18 CN8 19 CN6 9 10 11 12 CN4 10 CN8 4 CN4 3 CN12 2 CN3 7 CN12 6 CN16 7 CN8 23 CN4 5 CN4 4 100 ms 2927 ms 500 ms 100 ms 270 ms 380 ms 418 ms 300 ms 300 ms 300 ms 418 ms 300 ms 474 ms 474 ms 1740 ms 1600 ms 30 s 1316 ms High speed 380 ms 270 ms ...

Page 289: ...ier Start key DM DDM DDM ST 1 DDM ST 2 RCL PFCL ST 2 MC REM CL RSW ESW DFSW DFSW ST TC REM DB REM CN12 16 CN8 18 CN8 19 CN8 20 CN4 10 CN8 5 CN4 3 CN12 2 CN3 7 CN12 6 CN8 23 CN8 24 CN4 5 CN4 4 100 ms 3871 ms 500 ms 100 ms 270 ms 380 ms 270 ms 300 ms 418 ms 300 ms 300 ms 300 ms 300 ms 380 ms 300 ms 474 ms 550 ms 550 ms 418 ms 474 ms 840 ms 30 s 1316 ms 3244 ms when the optional memory board is insta...

Page 290: ... ST 2 FSM RCL PFCL ST 2 MC REM CL RSW ESW JBESW DFSW DFSW ST DUPPCSW1 DUPPCSW2 TC REM DB REM CN12 16 CN8 18 CN8 19 CN8 20 CN18 7 CN4 10 CN8 5 CN4 3 CN12 2 CN3 7 CN12 6 CN16 7 CN8 23 CN8 24 CN5 10 CN5 7 CN4 5 CN4 4 100 ms 100 ms 4445 ms 500 ms 380 ms 300 ms 270 ms 300 ms 300 ms 155 ms 105 ms High speed 300 ms 295 ms 300 ms 300 ms 300 ms 1600 ms 1840 ms 30 s 1316 ms 550 ms 380 ms 418 ms 550 ms 474 m...

Page 291: ...on claw CLAW SEPARATION 2AR18240 11 112 Drum shaft SHAFT DRUM 2AR08030 11 23 Drum shaft front bushing FRONT BUSHING DRUM SHAFT 2AR09230 11 32 Cleaning lower seal A LOWER SEAL A CLEANING 2AR93410 11 94 Drum SET DRUM 2AV82010 11 1 Charger assembly MAIN CHARGER ASS Y A 2AR93420 11 12 Cleaning lamp LAMP CLEANING LAMP 2AR27031 10 12 Transfer roller assembly PARTS ASS Y TRANSFER ROLLER SP 2AV93030 7 26 ...

Page 292: ...ise If noise is heard apply grease TMP 200G to the contacting surfaces of the paper conveying unit and bushing Lower paper feed pulley Clean Every service Clean with alcohol or a dry cloth 1 6 5 Lower paper feed clutch Check Every service Check the leading edge registration and paper feed conditions in the registration section bypass and paper feed section Paper feed roller Clean Every service Cle...

Page 293: ...ller and collar Contacting surfaces of the transfer roller and bushing Contacting surfaces of the gear and collar Check noise If noise is heard apply conductive grease GE334 to the following locations Contacting surfaces of the transfer roller bushing and terminal Replace Every 200 000 counts 1 6 45 Doctor blade cover Clean Clean after every Clean with a dry cloth take care 100 000 counts not to d...

Page 294: ...cohol or a dry cloth Eject pulley Clean Every service Clean with alcohol or a dry cloth Eject roller Clean and grease Every service Check noise If noise is heard apply grease TMP1 200G to the contacting surfaces of the eject roller and bushing Maintenance Section part location Method Maintenance cycle Points and cautions Page Covers Covers Clean Every service Clean with alcohol or a dry cloth Main...

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