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SERVICE MANUAL

1. 10 1 1 3 Protection Tor Transportat oDi eno rra ir So end pad bn cbe reir agus 14 1 1 4 Making a Special Tool for Holder Contact cc cccccceeeeeeeeeeeeens 15 1215 Onentation Demi FORE uc Cue eed re ot diu et d om teo bete eio idet pa tt 16 1 1 6 How to Unlock the Carriage ccccccccccccsesesessssssccaeeeeeeeeeeeeeeeeeenees 16 1 2 Disassembly Reassembly Procedures amp ss j0d 5 0cadscevsncacadveisestoreesaeessadaidvensinceicesoesaacs 17 TDW OVV eR 17 12 2 Disassembly blowechatE suene eet bia a edidi denen 18 1 3 Removing Exterior Parts Components ccccccccccceeeeeeseseeessessssssseneeeeseeeees 24 DAW PCE COVER ooi ipee oti crescit ni aei o Dass bed etam hi ettet ord 24 1 52 iPaper Support ASS Vd sos ssi initatete iubet Foe desto ssec at seas iesu es 24 13 3 Stacker Assy Stacker OV CF a irt ooo SIS HIR ae PR Puta ia uS RE ede qu0 25 13 4 Housing Upper Assy auod RE E DM NNI TI M S 25 L4 Removing Control Boards er ette buie no eR ME EE ER ME 27 LAT Man Board D BW eui oec ec cae teli N 27 1 4 2 Panel Assy Cover Open Sensor ssssssssssssseseeeeeeeeeeeeee nens 30 TA BP SASSY T ET E 34 1 5 Disassembling the Printer Mechanism cccccccccccccccccceecceseeessessssssssseeeeeeees 35 1 5 1 Removing the Printer Mechanism sse 35 1 522 DETUR SAG alent died cere escheat E ttes ueouose td a tut ode Eodem 37 MR GI qur pp
2. 7 z d Carriage e Containers x 6 for each discharged ink e Injector with a tip of 3 2 mm e Tube capable to be connected to the joint eee Av B The photos in the following procedure are for L200 L201 but the procedure for L800 L801 is the same the numbers of the tube and the location of the Ink Supply Tank Assy in the photos are different from those of L800 L801 though Prior to the following steps connect the injector with the tube Figure 1 4 Adapter and then discharge ink according to the procedure The Adapter has an ink valve which cuts off the ink path W Discharging procedure when removing the Adapter from the Carriage l Remove the Housing Upper Assy p 25 2 With the choke value closed p 11 place the Ink Supply Tank Assy ona place where its bottom is higher than the top of the Printhead 3 Prepare a container for ink to discharge then disconnect the Ink Supply Tube from the joint and put its tip into the container for the ink 4 Open the choke valve to discharge the ink in the Ink Supply Tank Assy to the container Ink Supply Tank Assy Container for discharged ink Figure 1 5 Discharging Ink 1 Disassembly Reassembly Overview 12 Confidential L800 L801 VAYN 5 When the ink stops flowing from the tube close the choke valve and then connect the Ink Supply Tube back to the joint 6 Disconnect the Ink Supply Tube of the same color connected to the It is recommend
3. 1 3 3 Stacker Assy Stacker Cover p25 p 18 lie p 20 CR Scale Adapter Cover APG Unit Panel Assy 2 Screw type torque list Symbol Screw type Torque Cover FFC Inner Cover FFC 1 5 2 Printhead p37 crx eoet mum Disassembly Reassembly Disassembling Reassembling Flowchart 18 Confidential L800 L801 I CAWAY 0 Ew Pp 18 Valve Position Refilling Ink Tube Valve Top Cover Holder Rear Bottom Cover Valve Lever Top Cover Label Tube Valve Holder Front 1 4 2 Panel Assy Cover Open Sensor p30 Left Cover Left Cover Right Cover Cover Joint Panel Cover Decoration Belt 1 5 4 APG Unit p41 Open Sensor Holder Screw type torque list Symbol Screw type Torque ihrem Haw Haw Uum LN Bum sistem ton Spur Gear 12 8 Spur Gear 28 8 Spur Gear 33 6 eee Panel Shield Plate 2 Compression Compression Combination Spring 2 25 Spring 0 97 Gear 12 8 27 Panel Board mere ia APG Holder Disassembly Reassembly Disassembling Reassembling Flowchart 19 Confidential L800 L801 1 4 1 Main Board Unit p27 Main Board Unit Upper Shield Plate M B Lower Shield Plate M B ECT 2 a rx Main Board Cover Ink Tube PF Encoder Panel Assy Tube Holder Ink Supply Tank Assy Adapter Cover Photo Interrupter Adapter Tube Guide Rc Shee
4. 40 WA APCO a M een pe Pee er addendo eS E LLLI 4 15 5 Waste Ink D ay cue dat woe desde bist dtes inei a n top nef bep rode 42 1 5 6 Waste Ink Pad Lower Waste Ink Pad Cap Lower 43 1 5 7 Left amp Right Guide Stackers CDR Guide Sensor 44 LSS Ini SV SICH Ac eee ee ecd eet pA LESE PLE 45 LSS BJ Erde SS sect detecte lebe bd Pasco bos sat esu ceme uos orat S P DP ROO PU 46 LSO PF Encoder 7 PECSCOlIO oeste entend eese udo prt bro td o c 49 NR EF MoO cept ae nr rr a ee ee ee OC ee 49 15512 OTR IVE OU GE Secrest ne tate ta heat tetera ict eases todas id umeedi toca cca E 50 kado CRUD M TET 52 L5 14 ASIDE S eR ERI EM ee 54 L5 15 Upper Paper Guide do do ento emt oe utibade decus adesset tae inen teen ties 56 1 53 16 APG SENSO ASS Yr pite eneten o mediados Miet tasa d Rue b t Quei dun 57 L 5 17 Eront Paper Guide ASSY cnet cette de eui tere nti o bs e dots 57 LTS CDR Irds3SensOpoidipe ineet asd E aacsaan REN ueasu nannies 60 1 6 Disassembling the CISS Section ccccccccccccccccesesssseeesesssasseeeeeeeeeeeeeeeeeeeeees 61 1 6 1 Refilling Ink Label Valve Position Label seeeeseeesss 61 10 2 TOD C OV CF docte eser pee Ee d Fapsceo tco Res ToB eL apes anat dor Rer ar Eod uoo eU QUo uae Ue doce nU URES 6l 1 6 3 Tube Valve Holder Front Rear saei d eree des 62 POA Valve Nee Ci t e M 62 1 6 5 Bottom Cover Left Cover Right Cover Co
5. Reset the counter to its default Adjustment Program offset due to paper dust When reading the counter value from the old main board is impossible Set the counter to its maximum value 3000 Adjustment Program in the case of replacing the board use this to set the counter to its maximum value Disenable PF deterioration offset This corrects top margin of printout A top margin adjustment pattern is printed Examine the lines printed Adjustment Program TOP margin adjustment near the top edge of the printout and enter the value for the line that is Ruler exactly 3 mm away from the top edge Adjustment Adjustment Items and Overview 70 Confidential L800 L801 AVR Table 2 1 Adjustment Items Adjustment Item Purpose Method Outline Tool This must be carried out after replacing the printhead in order to correct A head angular adjustment pattern is printed Examine the printed lines Adjustment Program Head angular adjustment l l tilt of the printhead by software and enter the value for the most straight lines Corrects print start timing in bi directional printing to improve the print A Bi D adjustment pattern is printed Examine the patterns and enter Adjustment Program quality the value for the pattern with no gap and overlap for each mode Adjustment Program Bi D adjustment Corrects left margin of printout The print start position in the carriage A first dot adjustment pattern i
6. S 1 m Removal procedure Ed Before turning the Parallelism Bushing L mark the scale position of the Parallelism Bushing with a marker And taking extra care not to damage the Gear with the rib pull it toward the front e 1 Remove the Cable Holder Frame p 47 Disengage the upper end of the Spring 1 from the slit and remove the Spring 1 3 Loosen the screw O and turn the Parallelism Bushing L clockwise to the maximum A Removal Direction Right PG Cam im 4 Left Side Figure 1 91 Removing the CR unit 2 When removing the CR Unit in the next step be careful not to damage the CR Shaft by bumping it against the pinion gear of the CR Motor 6 Hold the CR Unit from the bottom and lift up the CR Shaft release from the E i P bushing in the 1 2 order and remove the CR Unit with the Shaft from the Main Frame Figure 1 90 Removing the CR Unit 1 A Bushing s N T E N A i Figure 1 92 Removing the CR Unit 3 Disassembly Reassembly CR Unit 52 Confidential L800 L801 VAYN 7 Remove the CR Shaft from the CR Unit Lubrication is required See the page given below for the lubrication information Lubrication of CR Unit p 92 Before attaching the right PG cam remove the APG Unit and install the cam matching its phase with the APG Unit Refer to Reinstalling the APG Unit p 41 When attaching the spring 2 and the washe
7. 1 Disconnect the FFC of the PF Encoder from CNI connector 2 Remove the screw and remove the PF Encoder e Screw Q C B P M2 6x8 tightening torque 3 5 4 5 kgf cm 3 Peel offthe double sided tape attached to the center part and remove the PF Scale e 3 T Double sided tape E F P y y D Figure 1 82 Removing the PF Encoder PF Scale When installing the PF Encoder make sure the PF Encoder fits firmly against the Front Paper Guide Disassembly Reassembly Removal procedure I Release the PF Motor Cable from the hook of the ASF Unit 2 Remove the two screws that secure the PF Motor e Screw Q C P M3x6 tightening torque 3 5 kgf cm The numbers shown in the figure indicate the order of tightening the screws 3 Slide the PF Motor to pull it out through the cutout and remove the PF Motor revo lon Figure 1 83 Removing the PF Motor YU aigu Whenever the PF Motor is replaced the required adjustments Soe must be carried out e Refer to 2 1 2 Required Adjustments p 74 PF Encoder PF Scale 49 Confidential L800 L801 Revision A 1 5 12 CR Motor When assembling or disassembling the CR Motor be careful of the three sharp hooks of the Main Frame shown in Fig 1 86 Removal procedure 1 Remove the Extension Spring of the Driven Pulley Assy from the rear side 3 Release the connector cables from the three hooks then peel off the three ac
8. C B P 2 6X8 C B P 2 6X8 C B P 3X10 C B P 3X10 C B P 3X6 C B P 3X8 C B P P2 3X8 C B S 3X6 C B S P2 3X8 C B S P4 3X6 C B S P4 3X6 C B S 3X10 C B S 3X6 C B S 3X6 C B S 3X6 C P 3X4 C P 3X6 C P 3X6 3 5 4 5kgf cm 3 5kgf cm 3 5kgf cm 5 7kgf cm 3 5kgf cm 5 7kgf cm 5 7kgf cm S3 7 5 7kgf cm 6 8kgf cm 7 Okgf cm 9 1 Ikgf cm 4 6kgf cm 4 6kgf cm 5 7kgf cm 7 9kgf cm 3 5kgf cm 3 5kgf cm 4 6kgf cm 1 Symbol S3 SD Housing Lower W Foot Guide Stacker Right o C1 elo o co Disassembly Reassembly Disassembling Reassembling Flowchart 21 Confidential L800 L801 I CAWAY 0 DES p 21 1 5 8 Ink System p45 Ink System APG Unit Tube Guide Tube Guide Cable Holder Cable Holder Frame Frame E l s PF Scale Sheet Extension Spring Driven Pulley Extension Spring 7 OM Compression Spring 0 98 CR Scale Adapter Cover Adapter Cover FFC Cover FFC Inner Holder Contact Printhead w a e EJ Frame EJ Frame Torsion Spring L Torsion Spring R Screw type torque list Cable Holder 1 5 13 CR Unit p52 Frame Symbol Screw type Torque ihrem Haw Haw Uum LN Bum sistem ton Upper Paper Guide CR Unit TUA FA o Head FFC Timing Belt Cable Holder EE i eens C P 3X4 3 5kgf cm C P 3X6 3 5kgf cm C P 3X6 4 6kgf cm
9. Disassembly Reassembly APG Sensor Assy 57 Confidential L800 L801 VAYN 2 Disconnect the connector of the PE Sensor Cable on the rear side of the 5 Remove the Front Paper Guide Assy following the steps below printer 1 Lift C part to disengage the left side of the Front Paper Guide Assy 3 Remove the screw that secures the Front Paper Guide Assy NM O C Bos M xe ishitenims totque 7 9 kg n 2 Slide the assy leftward little by little to disengage the right side of the assy 3 Remove the Front Paper Guide Assy while releasing its shaft from the cutout of the rib on the left side of the Main Frame B 4m fase 3 i gt Front Paper Guide Assy J a sd W OUS E e CO Cutout Front Paper Guide Assy he i aoe CA 7 1 4 E P Ln C S IZ ar LL z M s PE Sensor Cable A m H Removal Direction dj ir T UNE Figure 1 109 Removing the PE e Tr ensor Cable ee AU i T 1 F w CON omen N e LAA L j v Md N A Or EN S EN ee Lau q rd v iiy x T Lg NRIN A Aw 4 Pull out the EJ Ground Spring to the front side s gt CU NA S N gt OTS op as 2 NET 9 A wd d A Figure 1 111 Removing the Front Paper Guide Assy B Lubrication is required See the page given below for the lubrication information Lubrication of Front Paper Guide Assy p 91 Figure 1 110 Removing the EJ Ground Spring Di
10. Disassembly Reassembly Disassembling Reassembling Flowchart 22 Confidential L800 L801 EJ Ground Spring pH IH IUE JH EU IU uU E QN QT 0 oe OF 0G 09 OL 08 96 001 q Front Paper Guide Assy E eere PE Lever A PE Lever Torsion Spring CDR Tray Sensor Disassembly Reassembly Spur Gear 26 5 1 5 17 Front Paper Guide Assy p57 Porous Pad Photo Interrupter Paper Guide PE Sensor Front Combination Gear 168 32 8 Retard Roller Holder Assy Torsion Spring 137 7 LD Roller Guide Disassembling Reassembling Flowchart Spur Gear 16 ASF Assy PEAY 1 5 14 ASF Unit p54 LD Roller Shaft Assy LD Roller 40 50 10 20 30 Compression Spring 2 36 Change Lever Screw type torque list un P z m S S 3 7 alele elele eee Screw type Torque 3 5 4 5kgf cm C B S 3X10 4 6kgf cm C B S 3X6 4 6kgf cm C B S 3X6 5 7kgf cm 23 Confidential L800 L801 VAYN 1 3 Removing Exterior Parts Components 1 3 2 Paper Support Assy Removal procedure 1 3 1 Printer Cover 1 Open the Paper Support Assy O Removal procedure 2 Disengage the right shaft of the Paper Support Assy from the bushing of the ASF Unit by pushing the bushing outward Then remove the Paper Support Assy disengaging the left shaft preventing the Edge Guide projection from hitting against the other parts Edge Guide WA Projection 1 Pull out the left shaft and right shaft of the Printer C
11. f Positioning Holes and Guide Pins Main Board Unit Figure 1 25 Removing the Main Board Unit 2 Aoniu Whenever the Main Board Unit is replaced the required adjustment iz must be carried out e Refer to 2 1 2 Required Adjustments p 74 u onu When installing the Main Board Unit be careful of the following Match the positioning holes with guide pins shown in Fig 1 25 Align the upper left end i e o NC f acetate t D with Insert the rib of the Main Board Unit into the positioning hole Edge of Lower ied ate a wi Shield Plate M B ge oi the Lower Shield Plate M B of the Cable Holder Frame as shown in Fig 1 25 Tighten the screws in the order given in Fig 1 25 Figure 1 26 Routing the Cables Disassembly Reassembly Main Board Unit 28 Confidential L800 L801 AV RITU B Disassembling the Main Board Unit 1 Remove the Main Board Unit p 27 Be careful of the sharp edges shown in the figure below when assembling or reassembling Do not apply unnecessary force on the screw receiving parts of the Lower Shield Plate M B as they are easy to deform 3 Remove the two screws and remove the Shield Plate M B Sub e Screw Q 2 pcs C B S M3x6 tightening torque 4 6 kgf cm The numbers shown in the figure indicate the order of tightening the screws 4 Remove the screw and remove the Main Board Unit e Screw _ C B S M3x10 tightening torque 4 6 kgf cm Upper Side Mai
12. 1259 Cable Holder Frame 1223 E 1223 Combination Gear 14 22 4 f APG Holder 24 1223 PF Encoder FFC Front Frame 1348 EJ Frame Assy 2759 EJ Frame Torsion Spring L asu o 1574 EJ Fiame Tonia T R o am 0 PF Scale Sheet sf 1228 PF Scale Cover me o 1250 BEEN NEN NEN m LO BEaAYXMWVYI mb 025 258 i mb 242 0 Panel assy Panel Cae Assy l 2 260 67 310 Panel Cover 267 224 Decoration Belt Left Panel Unit 1574 Open Sensor Holder 301 Panel Shield Plate 316 Panel Board 362 LD Roller Guide Assy 1303 LD Roller Guide E T CR Guide Sha a o 1990 PF Scale 304 l Timing Belt l m3X o 2055 Printer Mechanism 4343 l Head FFC o ssf 1985 Extension Spring a 0 1133 Paper Guide Front Assy 4566 Driven pulley Assy w 8j 1150 PE Lever PE Lever Torsion Spans 2609f o 2609 E i iB LM 362 1307 Torsion Spring 137 Housing Panel Assy APG Sensor Assy 326 38 Photo Interrupter 3 PF Encoder 3 Driven Pulley 1176 1176 Super Gear 26 5 2596 EE 2596 Photo Interrupter PE Sensor 2596 0 2596 1152 Driven Pulley Shaft 1152 100 Confidential AN amp va L800 L801 I CAWAY 0 I Table 4 2 Standard Operation Time Table 4 2 Standard Operation Time Time second Time second Parts Unit Parts Unit Replacement Adjustment Total Replacement Adjustment Total maesta am Compression Spring 2 36 Ink Supply Tank
13. Figure 3 5 Lubrication of Front Paper Guide Assy 2 Figure 3 7 Lubrication of the Front Frame 1 Maintenance Overview 9 Confidential L800 L801 EAYN lt Lubrication Points gt Contact position of the Front Frame and Front Frame contact point right the PE Frame Assy 2 points Application Amount gt l x 7mm Right rib e l x 3mm Right Spring Bushing Application Timing Apply before installing the Front Frame lt Remarks gt Apply with Injector Bl Apply to the inner edge of the notch for spring Figure 3 8 Lubrication of the Front Frame 2 LUBRICATION OF CR UNIT lt Lubrication Points On the back of the Main Frame where Main Frame upper rear contact with the CR Unit 1 5 mm from the top edge 2 10 mm from the top edge Remarks Apply with Injector L1 Do not apply to the both ends 40mm from edge O Move the CR Unit the left right to spread the grease evenly Except both ends 40mm Figure 3 9 Lubrication of the Main Frame 1 Maintenance Overview lt Lubrication Points gt PG Cam on both ends of CR Guide Shaft On the PG Cams attached to the both ends of the CR Guide Shaft lt Remarks gt Apply with Injector lt Lubrication Points gt On the both ends of the CR Guide Shaft to where its retaining springs are attached lt Remarks gt Apply with Injector Application Point Figure 3 11 Lubrication for the CR
14. Never connect this product to the power source whose voltages is different from the rated voltage Replace malfunctioning components only with those components provided or approved by Epson introduction of second source ICs or other non approved components may damage the product and void any applicable Epson warranty In order to protect sensitive microprocessors and circuitry use static discharge equipment such as anti static wrist straps when accessing 12 B Nozzle plate of the printhead CR Scale PF Scale Coated surface of the PF Roller Gears Rollers Exterior parts Never use oil or grease other than those specified in this manual Use of different types of oil or grease may damage the component or give bad influence on the printer function internal components 13 Apply the specified amount of grease described in this manual Do not tilt this product immediately after initial ink charge especially after 14 Make the specified adjustments when you disassemble the printer forming the ink ch times Doi ink to leak ee Oe ee ee ee 15 When cleaning this product follow the procedure described in this manual from the product because it may take some time for the waste ink pads to completely absorb ink wasted due to the ink charge 16 When transporting this product after filling the ink in the printhead pack Never touch the ink or wasted ink with bare hands If ink comes into the printer without removing the ink cartridge
15. O Things to be used B Thickness gauge 1 15 mm x2 1 3 mm x2 B Phillips screwdriver Figure 2 8 PG Position at PG Adjustment Adjustment Using the Adjustment Program Confidential L800 L801 Revision A O Adjustment procedure B Specified PG value 1 2 0 1 mm The Printhead must come in contact with the 1 3 mm thickness gauges but must not come in contact with the 1 15 mm thickness gauges 1 Install new ink cartridges in the carriage Remove the Cable Holder Frame Fig 1 75 Check that the APG Assy and the carriage are in the PG position Fig 2 8 ee p oe E Move the carriage to the center of the platen and place 1 15 mm thickness gauge on the left aligning its left edge with the second rib of the Front Paper Guide And place another 1 15 mm thickness gauge on the right aligning its right edge with the rightmost rib of the Front Paper Guide Fig 2 9 NOTE The thickness gauge must not be set over the leftmost rib on the Front Paper Guide 5 Pull the Timing Belt to move the carriage to the left end mum Em EE EE GEO e E na 6 Ifthecarriage comes in contact with the gauge adjust the Left Parallelism Bush to raise the carriage to a position where the Printhead does not come in contact with gauge 7 Pull the Timing Belt to move the carriage to the right end Figure 2 9 PG Adjustment 1 8 Ifthe carriage comes in contact with the gauge adjust the Right Parallelism Bush to rai
16. Bushing lt Type gt EP G 71 G 71 N Application Amount gt Application Amount gt x 3 mm x 3 points Y F l x Imm x 2 points Right busing both inner sides lt Application Timing gt Apply after installing the Front Paper l x 3mm x 2 points guide Left busing both inner sides Application Timing Apply before installing the EJ Frame lt Remarks gt Apply with Injector lt Remarks gt Apply with Injector O Make sure that the coated part of the PF Roller Shaft and rubber rollers on the EJ Roller are free from grease Application Point L1 Apply to the both inner sides of the left right bushings Figure 3 6 Lubrication of EJ Frame Assy lt Lubrication Points gt PF Roller Shaft EJ Roller Shaft and Lubrication Points Bushing 2 points Contact point between the Front Frame and the PE Frame Assy 2 points lt Application Amount gt l x 7mm Left rib l x 3mm Left notch for spring Application Timing 1 29 ZW Apply after installing the Front Paper s At guide EAS ae nan ua Application Timing pM Er Apply before installing the Front F Apply with Injector a pply before installing the Front Frame O Make sure that the coated part of the N ei lt Remarks gt EE PF Roller Shaft and rubber rollers on Apply with Injector the EJ Roller are free from grease 1 Apply to the inner edge of the notch for spring
17. Front Paper Guide Assy Confidential L800 L801 AVR 1 5 18 CDR Tray Sensor Removal procedure Always follow the steps below to remove the CDR Tray Sensor or one of its hooks can be broken 1 Disengage the hook of the CDR Tray Sensor Turn the CDR Tray Sensor 90 degrees in the direction of the arrow to disengage its another hook and pull it out from the hole to remove it together with the CDR Guide Sensor CDR Tray Sensor Figure 1 115 Removing the CDR Tray Sensor Disassembly Reassembly CDR Tray Sensor 60 Confidential L800 L801 Revision A 1 6 Disassembling the CISS section 1 6 2 Top Cover 1 6 1 Refilling Ink Label Valve Position Label Refilling Ink Label Eu eium FO a S W ec BT6732 16733 6736 GT6735 2T6731 16734 Marking Marking Printing Mencetak aa yg YTW3JW Transporting Perjalanan VvuUsiNnaouErs Attach the Refilling Ink Label and Valve Position Label according to the standards shown in the figure above Disassembly Reassembly Refilling Ink Label Valve Position Label Confidential L800 L801 Revision A 1 6 3 Tube Valve Holder Front Rear 1 6 4 Valve Lever Ink Supply Tank Tube Tube Valve Holder Rear Tube Valve Holder Rear Ink Supply Tank Assy 3 A v Ink Supply Tank a EN Ink Supply Tank Lose OQ Positioning Hole Dowel Rib Hook Tube Valve Holder Rear IO CBP 3X6 3 5kgf cm L When rou
18. Guide Shaft Retaining Spring 92 Confidential L800 L801 Revision A lt Lubrication Points gt LUBRICATION OF INK SYSTEM Contact point between CR Unit and the Unit and CR Guide Shaft 1 CR Guide Shaft lt Lubrication Points gt On the Main Frame where the clutch G 71 Main Frame and I S gear and spring of the Ink System contact lt Application Amount gt 210 20mg x 2 points lt Application Timing gt Apply before installing the CR Unit lt Remarks gt Apply with Injector O After lubrication move the CR Guide Shaft to left and right by 60mm while rotating it to spread the grease evenly O Make sure that the Timing Belt is free from grease Remarks p Apply with Injector Application Point Figure 3 14 Lubrication of the I S LUBRICATION OF APG UNIT lt Lubrication Points gt _ Lubrication holes of the CR Unit elubrncsion onii Shafts on APG Unit Around the upper part of the shafts on G 71 the APG Unit 5 points Application Amount i lt Type gt 210 20mg x 2 points Y G 71 Application Timing Application Amount gt Apply before installing the CR Unit 1 Ix 1 circle x 5 points lt Remarks gt e j Application Timing Apply with Injector Disassemble the APG Unit to apply the O Apply grease from the two grease before installing it lubrication holes Bemas O Make sure that the Timing Belt is Apply with Injector free from grease Figure 3 13 L
19. L800 L801 I CAV AY 1 5 6 Waste Ink Pad Lower Waste Ink Pad Cap Lower ADJUSTMENT Removal procedure REQUIRED Whenever the Waste Ink Pad Lower is replaced the required adjustments must be carried out B When removing the Waste Ink Pad Lower and Waste Ink Pad e Refer to 2 1 2 Required Adjustments p 74 Cap Lower take extra care not to contaminate the printer and surroundings with ink B Be careful of the seven sharp edges shown in Fig 1 64 when disassembling or reassembling 1l Remove the four Waste Ink Pad Lowers and Waste Ink Pad Cap Lower from the Housing Lower Waste Ink Pad Lower x1 IN Waste Ink Pad Cap Lower x1 Waste Ink Pad Lower x3 Sharp edge Figure 1 64 Removing the Waste Ink Pad Insert the Waste Ink Pad Lowers into the Housing Lower inserting the slits of the pads over the tabs L on the Housing Lower Make sure to push the pads as far as they will go until their top surface locate lower than the top surface of the Housing Lower edges XN Disassembly Reassembly Waste Ink Pad Lower Waste Ink Pad Cap Lower Confidential L800 L801 VAYN 1 5 7 Left amp Right Guide Stackers CDR Guide Sensor B When installing the Left Guide Stacker insert the rib indicated Removal procedure with in Fig 1 67 and match the positioning holes and guide pins indicated with Q two pairs When installing the Right Guide Stacker match the positioning holes and guide pi
20. L801 CAV AYU B Panel Board Buttons Removal 6 Disengage the hook on the back of the Panel Board and remove the Panel 1 Remove the Panel Assy p 30 Boat Remove the two screws on the back of the Panel Assy and remove the Panel Back Side Cover E e Screw Q C B P M3x10 tightening torque 3 5 kgf cm l B 3 Remove the screw on the front of the Panel Unit and remove the Panel Unit M from the Open Sensor Holder by sliding it in the upper right direction EIE e Screw C B P M3x10 tightening torque 3 5 kgf cm iu NN Back Side 2 aea M i rene S mf vf 2116496 01 NN Positioning Hole and Guide Pin m 7 f 2 PN i I lt pA x Front side Panel Board EK91061J 264 Panel Cover Ly Figure 1 36 Removing the Panel Board Buttons 3 7 Release the three hooks and remove the PS button the Ink button and the Paper button from the Housing Panel B 8 Slide the Lens of the PS button the Ink button and the Paper button in the direction of the arrow to remove it Panel Unit T Figure 1 34 Removing the Panel Board Buttons 1 Back Side 4 Disconnect the connector CN1 on the Panel Board peel the Panel FFC off 7 TTT the back of the Panel Shield Plate and remove the Panel FFC 5 Remove the two screws and remove the Panel Shield Plate from the Panel Unit e Screw Q C B P M3x10 tightening torque 3 5 kgf cm Panel Uni
21. PID excess speed error PF Encoder failure contaminated detached scale Encoder Board failure Motor driver failure Main Board failure Error name Possible cause Error type Error code CR Encoder failure contaminated detached scale Encoder Board failure PF BS excess speed error PF drive mechanism overload paper jam foreign object CR PID excess speed error Motor driver failure Main Board failure DC motor error Cable disconnection PF excess measurement PF drive mechanism overload paper jam error foreign object PF BS control positioning PF Motor failure error Motor driver failure Main Board failure PF Motor fail Cable disconnection PF BS control DTY max 9 or fai ure errot B PF drive mechanism overload paper jam CR Encoder failure contaminated detached foreign object scale Encoder Board failure cree 08H CR PID reverse error Tooth skip of the CR Timing Belt 70H Gamad Necio arpoia OVIEC l l Improper tension of the CR Timing Belt e APG Unit failure incorrect reassembling Carriage overload paper jam foreign object ie motor 71H DC motor CR load positioning CR Motor fail error OAH cumulative movement Mt i i RUE Main Board tail OH APG drive error m FTN otor driver failure Main Board failure by command Carriage overload paper jam foreign object Cable disconnection F CR Encoder failure contaminated detached scale Encoder Board failure AH CR load posit
22. Sheet from the top B When attaching the Tube Guide Sheet to the Tube Guide while keeping the Tube Guide Sheet Sub attached on the Tube Guide Sheet align the holes ofthe Tube Guide Sheet with the protrusions of the Tube Guide PF Scale Cover PF Scale Sheet Confidential L800 L801 Revision A 1 6 12 Ink Supply Tube Assy Ink Supply Tube Assy Step1 2 4 Rv Ink Supply Tube Adapter Assy side Ink Supply Tube Markings on the back Tube Clamps ap KP Zo a Yellow Blacks eee T AN ey EN 8 mE ee il EE DIENEN Light Magenta cs M ES Magenta 7 Tube Holders Step a am Los b NS Markings Ed Adapter d os S O CBP 3X8 5 7kgf cm Tube Porous Pad y rid P P v A 1i n y E Fa 2 y 7 y i Li L1 RM B Ri Bm p 4 N ULM Tube Guide f H 1 pem A s H NM Ve Ve i T A E Align markings with Ink Supply Tube edge of grooves C Make sure the Tube Clamps with Porous Pad Tube attached x3 are attached on the positions on the Ink Supply Tube shown above Follow the procedure below when installing the Ink Supply Tube Assy 1 Place the Ink Supply Tube onto the Tube Guide Sheet with its Tube Porous Pad side down Connect the Ink Supply Tubes x6 to the Joint Insert the section A of the Tube Guide Sheet Sub from th
23. any bands are found carry out the steps below 1l Re print the check pattern to see if the bands appear again 2 When bands appear in Step 1 try the PFP adjustment again from the beginning 3 When bands appear even after the re adjustment in step 2 determine that it is the mechanism failure and carry out check reassemble of the parts that was removed replaced Normal Area Check Bottom Edge Area Pattern Check Pattern no bands mM NG po NG overlapped band Figure 2 18 PFP Check Pattern Judging Standard Banding Reduction System BRS Adjustment Paper Feed Amount Profile PFP Correction Confidential Confidential L800 L801 AVR 3 1 Overview This section provides information to maintain the printer in its optimum condition 3 1 1 Cleaning Except for the printhead there are no other mechanical parts or units that require periodic cleaning However if need arises clean the component observing the following instructions O Instructions for cleaning B Exterior parts such as housing Wipe dirt off with a soft clean cloth moistened with water For glossy or transparent parts use of unwoven cloth 1s recommended to avoid scratching those parts B Inside of the printer Remove paper dust with a vacuum cleaner B Rubber or plastic rollers such as an LD roller used to feed paper If paper dust adhered to the rollers decreases the frictional force of the rollers and the rollers cannot properly feed paper wi
24. arrow 2 while avoiding the section C of the Cover Case from bumping against the Front Frame Joint 65 Confidential L800 L801 I CAV AYU 1 6 10 PF Scale Cover PF Scale Sheet s UI OK Ma F aa Wiping Area i EEANN C 5 X Ld w he 7 IO CBP 3X8 5 7kgf cm PF Scale Cover PF Scale Sheet Double sided tape attachment position Wipe off the area on the Main Frame shown above using a cloth moistened with alcohol Align the PF Scale Cover with the rib of the Front Paper Guide Assy and attach the PF Scale Cover Align the screw holes of the PF Scale Cover and Front Paper Guide Assy and secure the PF Scale Cover with the screw x1 After the alcohol dried out completely insert the section A of the PF Scale Sheet into the groove of the Front Paper Guide Assy and then attach it with double sided tape Disassembly Reassembly 1 6 11 Tube Guide Sheet Tube Guide Sheet Sub Tube Guide Sheet 73 Tube Guide Sheet Sub Tube Guide Sheet a ize al a Tube Guide Sheet Sub Tube Guide Sheet Tube Guide Re 1 Tube Guide Sheet oL B Refer the figure above and follow the procedure below when attaching the Tube Guide Sheet Sub to the Tube Guide Sheet 1 Insert the section A of the Tube Guide Sheet Sub into the hole 1 of the Tube Guide Sheet from the bottom 2 Insertthe section A of the Tube Guide Sheet Sub into the hole 2 of the Tube Guide
25. e 1 1 6 How to Unlock the Carriage Disassembly Reassembly Ink System I CAYAY LU 1 Move the CR Unit to the center 2 Remove the screw 1 that secures the Cap section e Screw Q C B S M3x6 tightening torque 7 9 kgf cm The numbers shown in the figure indicate the order of tightening the screws 3 Inserta screwdriver through the hole of the Main Frame and remove the screw 2 that secures the Pump section e Screw Q C B S M3x6 tightening torque 7 9 kgf cm The numbers shown in the figure indicate the order of tightening the screws Figure 1 70 Removing the Ink System 1 4 Slide the Ink System to the direction of the arrow and disengage the Ink System from the guide pin of the ASF Unit pm Rear Side N Loo m o gal 3 Figure 1 71 Removing the Ink System 2 45 Confidential L800 L801 VAYN 5 Remove the Ink System in the following procedures 1 Slide it to the right 2 Rotate it in the direction of the arrow 1 and release the pump part from the Main Frame 3 Pull it out toward you arrow 2 Figure 1 72 Removing the Ink System 2 When installing the Ink System be careful of the following B Lubrication is required See the page given below for the lubrication information Lubrication of Ink System p 93 Insert the shafts of the Ink System into the positioning holes CO of the Frame Noon Figure 1 73 Reinstalling the Ink
26. even the Valve Lever is closed When removing the Ink Supply Tube Assy all the ink in the tube will spill Before disassembling confirm that the printer is in the following condition O Choke Valve is closed Do not turn the Valve Lever too much when closing the Choke Valve otherwise the Valve Lever and or Valve Assy may get damaged Before disassembling Turn the Valve Lever and be sure to close the Choke Valve B After reassembling is complete Open the Choke Valve to perform the print inspection B Before returning the printer to the user after repairing Make sure to turn the Valve Lever up to the choke position to close the Choke Valve before packing the printer Choke position When checking with the Valve Lever removed Open position Choke position N WS Valve shaft i eS Choke Valve shaft is secured more tightly in Choke position than in Open position Valve Lever Figure 1 3 Opening closing the Choke Valve Overview 11 Confidential L800 L801 VAYN O Adapter is removed DISCHRGING INK FROM THE INK SUPPLY TANK Before disconnecting the joint parts of the ink path make sure that the Adapter Discharging ink is recommended only when disconnecting the Ink Supply Tank is removed from the Carriage Tube Assy from the Ink Supply Tank Before performing the above disconnection discharge ink from the Ink Supply Tank as follows E Necessary tools
27. ink overflow 2 Avoiding deadlock sequence 2 The carriage moves to the 0 digit side slowly and confirms it touches the Right Frame 2 2 The carriage slightly moves to the 80 digit side 2 3 The PF Motor rotates clockwise and releases the CR lock HP CR lock is released C n 80 2 4 The carriage moves to the 0 digit side slowly and confirms it touches the Right Frame 2 5 The carriage returns to its home position 3 CDR Tray Sensor check 3 Checks with the CDR Tray Sensor if the CDR Tray is not set 3 2 The PF Motor rotates clockwise to eject the CDR Tray Appendix PG position 4 Releasing the CR lock Table 4 1 Operation of the power on sequence PG Operation Carriage PF roller movement and position 80 HP 0 Any 64s 4 1 The PF Motor rotates clockwise and releases the CR lock position ock 5 Seeking the home position 5 1 The carriage slowly moves to the 80 digit side 5 2 The carriage moves to the 0 digit side slowly and confirms it touches the Right Frame 5 3 The carriage slowly moves to the CR lock set position 5 4 The PF Motor rotates clockwise and releases the CR lock 5 5 The PF Motor rotates counterclockwise and sets the CR lock 5 6 The carriage moves to the 80 digit side slowly and confirms it touches the CR lock 5 7 The carriage slowly moves to the 0 digit side to the CR lock set position 5 8 The PF Motor rotates clockwise and release
28. meshes Dmewwewan 9 0 9 AE meum 9 0 0 seemed Ow 0 X e IK T NN Wasmaeuas PO 1354 Label CDR Guide Stacker Right 1354 Housing Lower 1430 Adapter cover 247 Sheet Guide Tube 483 Sheet Guide Tube Sub 529 101 Confidential AN 3 amp va L800 L801 AVR 4 3 Troubleshooting This section describes the troubleshooting workflow and fatal error information 4 3 1 Troubleshooting Workflow The following page describes the troubleshooting workflow Follow the flow when troubleshooting problems Appendix Troubleshooting Workflow 102 Confidential L800 L801 EAYN Turn on the printer Major problem with error message Major problem without error message Appendix No Power Presumable Cause Power Supply Board damage Main Board damage Major Troubleshooting Power Supply Board replacement Main Board replacement Poor Printing Phenomenon Poor printing quality nk stain on paper Dot missing Paper eject without printing Presumable Cause Driver mis setting Contamination of CR Scale Contamination of Printhead cover Printhead damage Ink clogging of Printhead Contamination on Cap Unit Wiper of Ink System Assy Ink System Assy damage Float of Porous Pad on Paper Guide Front Incorrect PG PE Sensor Lever damage PE Sensor damage Contamination of PF Roller LD Roller EJ Roller EJ Frame Assy Major Troubleshoot
29. springs on the hooks of the Main Frame as shown in Fig 1 106 A M MI 7 Ny v n X lt a 3 b Figure 1 104 Removing the Upper Paper Guide 1 2 Remove the Upper paper Guide pressing part to lower the tip of the PE Sensor Lever zm I CUORE D Figure 1 106 Installing the Springs ANGA Whenever the Front Paper Guide Assy is removed or replaced the EE required adjustments must be carried out e Refer to 2 1 2 Required Adjustments p 74 _Remova Direction 7 N PE Sensor Lever Figure 1 105 Removing the Unc Paper Guide Disassembly Reassembly Upper Paper Guide 56 Confidential L800 L801 I CAYAY LU 1 5 16 APG Sensor Assy 1 5 17 Front Paper Guide Assy Removal procedure 1 Disengage the two hooks and remove the APG Sensor Assy Riv ee 5 pf pa LJ i i b ir w i Jis Re B a e E LE N l Z Y aS nt APG Sensor Assy mE Figure 1 107 Removing the APG Sensor Do not touch the surface of the rubber roller of the EJ Roller Assy and the coated part of the PF Roller Assy as it can adversely affect the print quality Removal procedure 1 Remove the screw and remove the Parallelism Bushing L e Screw Q C B S P2 M3x8 tightening torque 6 8 kgf cm m f Parallelism Bushing L gt m af E A a P 4 Front Paper Guide Assy wi Positioning Hole and Guide Pin Figure 1 108 Removing the Parallelism Bushing L
30. 0mm 40mm away from the acetate tape A PE Sensor connector 3 Route the center of the acetate tape A behind the convex portion of the Main Frame and secure the tied cables with the hook 1 at the center of the acetate tape B so that the CR Motor Cable faces toward you 4 Wrap the CR Motor Cable and PE Sensor Cable with acetate tapes 20 mm at the positions of the hooks 2 3 then secure the center of the acetate tapes with Hooks 2 3 ADJUSTMENT REQUIRED FM S e 100mm PE Sensor Cable between both ends between both ends 40 mm from connector of acetate tapes of acetate tapes to end of acetate tape Figure 1 88 Routing the Cable Disassembly Reassembly CR Motor Lubrication is required See the page given below for the lubrication information Lubrication of Driven Pulley p 90 When installing the CR Motor install it so that the print side faces upwards Figure 1 89 Reinstalling the CR Motor Whenever the CR Motor is replaced the required adjustments must be carried out e Refer to 2 1 2 Required Adjustments p 74 51 Confidential L800 L801 VAYN 1 5 13 CR Unit 4 Disengage the end of the Spring 2 from the hook and the other end from the slit of the CR shaft and remove the Spring 2 Remove the washer by expanding the gap between the washer and the Right PG Cam using a pair of Tweezers and remove the Right PG Cam CR Shaft Spring 2 Right Side
31. 1 6 How to Unlock the Carriage 1 Move the CR Unit to the center open the Cartridge Cover and remove all Ink Cartridges 2 While disengaging the hook of the Head FFC Cover with a flathead screwdriver slide the Head FFC Cover downward and remove it 7 BONN NJ _ Screwdriver KA r a D d f A at JS a Ww ww x NS I Figure 1 48 Removing the Head FFC Cover Printhead 37 Confidential I CAYAY LU L800 L801 5 Using the special tool see p 15 disengage the hook B of the Holder Contact on the right back of the Carriage Unit 6 Slide the Holder Contact upward and remove the Holder Contact E e Back Side Hook B B E Direction TF Holder Conse Y 3 While disengaging the hook of the Head FFC Cover Inner with a flathead screwdriver slide the Head FFC Cover Inner upward and remove it A Sands Head m Inner S3 m x 3 x J Removal Direction Direction Ay g 3 SS E Figure 1 49 Removing the Head FFC Cover Inner e 4 Using the special tool see p 15 disengage the hook A of the Holder Contact on the left back of the Carriage Unit Figure 1 51 Removing the Holder Contact 2 Take extra care not to spill ink and contaminate the surroundings oe Be extremely careful not to touch the nozzle surface the ink supply needles and the Head Cover otherwise the nozzles may get d clogged L Figure 1 52 Ha
32. 1 Tools Use only specified tools to avoid damaging the printer Table 1 1 List of Tools Tool Part No Phillips Screwdriver No 2 C Flathead Srewirver om e T D Hewewm SSCS 2 pine timer 2mm O Note All of the tools listed above are commercially available EPSON provides the tools listed with EPSON tool code Disassembly Reassembly 1 1 2 Checks and Precautions before Disassembling 1 1 2 1 Factors which Affect the Print Quality HOW TO PLACE THE INK TANK ASSY WHEN DISASSEMBLING REASSEMBLING The film under sealing film attached on the Ink Supply Tank Assy of this printer is ventilation film The ink in the ink tanks is vented to atmosphere through this film to keep ink supply to the Printhead stable If the film gets wet with ink the ink in the tanks is not properly vented and printing may not be capable In order to prevent this from occurring make sure to place the Ink Supply Tank Assy as shown below after removing it Ink Supply Tank Assy Ink Supply Tank Assy Do not place the Ink Supply Tank Assy with its film side down Otherwise ink in the Ink Supply Tank Assy may reach and cover the ventilation film and the printing failure may occur Figure 1 1 How to Place the Ink Tank Assy Overview 10 Confidential L800 L801 I CAWKY LO 1 1 2 2 Factors which Affect the Safety of Service Personnel such as Ink Leakage during Operation Ink may spi
33. ATE Waste Ink Pad Lower Replace Waste Ink pad loa ee rire el ee cau Po Pele else CR Unit SS NN AARDE ARIC OEN EE CON EA ee IEEE ENS EO ee Eee ee TOS is eee EJ Frame Assy a ES Se EDEN eS ES ES Ese IES ea Es eS Ink Supply Tube Assy Ink Supply Tube Tank Assy Remove tee eaea a oa e a ee eee I m ED NEC SE EE EE ERE Her RSS EE SU ESSE SI Ea ee ese ees Ca eS ES eS NENNEN NENNEN EXEENM fenestra Adjustment Adjustment Items and Overview 75 Confidential EAYN L800 L801 Table 2 4 Adjustment Items Priority 0 9U0 001999 0 1d yeoy 1070W YD juounsn pe did juounsn pe Sug juounsn pe Ad juounsn pe Md juounsn pe uonisod 30p ISA juounsn pe q rq juounsn pe 1e ngue peog juounsnf pe urew doy JOS JJO UONVAOLIDIIP Ad 9 qeuasiq J SJJO UOHCAOLIOJIP Hd zenu IZIBE YUL 13 UNOD 23uguojure A jndur qq pe H Surjjos eryug Ado wep WOUdAA juounsn pe Dd Adjustridyadtamnt Item Part Name Printer Mechanism 76 Adjustment Items and Overview Confidential Adjustment L800 L801 EAYN 2 2 Using the Adjustment Program This section describes how to judge the adjustment patterns printed by the Adjustment Program For information on how to operate the Adjustment Program see the instructions displayed by the Adjustment Program 2 2 1 Top Margin Adjustment Patterns are printed as shown below Judging Standard The distance from a paper top edge to a
34. LC st A Main Board Unit A Main Board Unit Acetate Tape Figure 1 24 Removing the Main Board Unit 1 Figure 1 23 Connector er 7 the Main Board Table 1 3 List of Connectors and their Destinations CN No Color Destination Number of pins NS White esasy in Na White CDR Guide Sensor CDR Tray Sensor dnm Ns Fc fobo Wm CNG qs E NTO CNII Re FFC a CN12 en mx PF Motor pin ia wise otii Cu rc PW Sores Ea Same in Disassembly Reassembly Main Board Unit Confidential L800 L801 Revision A 4 Remove the three screws and remove the Main Board Unit e Screw Q 2 pcs C B P P2 M3x8 tightening torque 5 7 kgf cm e Screw _ 1 pc C B S M3x6 tightening torque 7 9 kgf cm The numbers shown in the figure indicate the order of tightening the screws Upper side f T Left Side After connecting the cables secure them with acetate tape following the procedures below 1 Route the Power Supply Cable closely along the Lower Shield Plate M B and secure the cable with acetate tapes at the positions A B and C 30 mm each as shown in Fig 1 26 2 Avoiding the sharp edge shown in Fig 1 26 secure the following cables with the acetate tape D 50 mm E acta e Power Supply Cable m TDN s e CR Motor Cable dV L di e PF Motor Cable e PE Motor Cable E EC e APG Sensor Cable
35. Mechanism take extra care not to touch the CR Scale with bare hands and not to contaminate or scratch it Hitch from the back side Removal procedure See the section given below on how to unlock the carriage e 1 1 6 How to Unlock the Carriage 1 Unlock the carriage and move the CR Unit to the center Figure 1 56 Reinstalling the CR Scale 2 Remove the Torsion Spring from the hook O on the left side of the Main Frame 3 Remove the CR Scale from the hook L1 on the right side of the Main Frame 4 Pullout the CR Scale from the slit of the CR Unit 5 Turn the CR Scale 90 degrees in the direction of the arrow and remove the CR Scale from the hook CR Scale Figure 1 55 Removing the CR Scale Disassembly Reassembly CR Scale 40 Confidential L800 L801 VAYN 1 5 4 APG Unit Lubrication is required See the page given below for the lubrication information Lubrication of APG Unit p 93 Install the APG Unit following the procedure below 1 Put a pin thinner than 02mm through the positioning holes of the Main Frame and the right PG Cam on the CR Shaft Removal procedure 1 Remove the two screws taking care not to lose the gears and remove the APG Unit o Screw CO C B S M3x6 tightening torque 7 9 kgf cm The numbers shown in the figure indicate the order of tightening the screws mm APG Unit FIF f A Positioning Hole i y a e Figure 1 57 Removing the APG Uni
36. SERVICE MANUAL Color Inkjet Printer Confidential EXCEED YOUR VISION SEMF 10 008 O L1 L1 Notice All rights reserved No part of this manual may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of SEIKO EPSON CORPORATION All effort have been made to ensure the accuracy of the contents of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The contents of this manual are subject to change without notice The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION Note Other product names used herein are for identification purpose only and may be trademarks or registered trademarks of their respective owners EPSON dis claims any and all rights in those marks Copyright O 2011 SEIKO EPSON CORPORATION I amp I CS Quality Assurance Department Confidential Safety Precautions All safety procedures described here shall be strictly adhered to by all parties servicing and maintaining this product DANGER Strictly observe the following cautions Failure to comply could result in serious bodily injury or loss of life l Always disconnect the product from the power source and p
37. System 1 Tighten the screws in the order given in Fig 1 70 After installing the Ink System check the Carriage Lock for proper operation referring to the section given below e 1 1 6 How to Unlock the Carriage Insert the positioning hole of the Ink System shown in Fig 1 71 over the guide pin of the ASF Unit Disassembly Reassembly 1 5 9 EJ Frame Assy Removal procedure 1 Move the CR Unit to the home position side 2 Remove the Tube Guide p 67 3 Peel off the acetate tape and then release the Head FFC from the two hooks of the Cable Holder Frame and pull out the Head FFC through the cutout 4 Release the Head FFC from the three hooks of the Front Frame and peel off the double sided tape Acetate Tape i A2 EE Cable Holder Frame Rear Side N Head FFC ouble sided Tape a gt N Hook oO Acetate Tape Position Figure 1 74 Removing the Head FFC EJ Frame Assy 46 Confidential L800 L801 VAYN 5 Disconnect the PF Encoder FFC from the PF Encoder 9 Peel off the acetate tape to release the CDR Sensor Cable and then remove 6 Remove the two screws disengage the two hooks of the Cable Holder Frame the screws on the right and left sides and remove the Front Frame from the Front Frame and Main Frame and remove the Cable Holder Frame e Screw Q C B S M3x6 tightening torque 7 9 kgf cm 7 Screw Q C B S M3x6 tightening torque 7 9 kgf cm The numbers s
38. This must be carried out for efficient heat control of the CR motor Select the parts that you replaced The correction values are Adjustment Program Electrical variation of the motor and the power supply board are automatically written to the main board CR motor heat protection control measured to acquire correction values for them Adjustment Adjustment Items and Overview 71 Confidential L800 L801 Revision A Table 2 2 Maintenance Items Maintenance Item Purpose Method Outline This function is used to execute Cleaning efficiently when ink is not Adjustment Program delivered from the Head properly e g dot missing The cleaning can be selected from the normal cleaning or the power cleaning Whether to reflect the discharged ink amount to the waste ink pad counter or not can also be selected as an option The head cleaning is performed automatically After the cleaning print a nozzle check pattern to check if all nozzles are firing ink properly Head cleaning The printer causes a maintenance error when the maintenance counter Select the replaced parts and reset the corresponding counters Adjustment Program for the Waste Ink Tray Waste Ink Pad Lower reaches its maximum Use this to reset the counter after replacing the Waste Ink Pad and Waste Maintenance counter Ink Pad Lower and use this to reset the ink tube counter when replacing the Ink Supply Tube If you find the counter is close to t
39. ame Spring Uu PE Figure 1 81 Reinstalling the Front Frame 2 B Wheninstalling the Cable Holder Frame match the two hooks of the Cable Holder Frame with the positioning holes of the Main Frame and Front Frame as shown in Fig 1 75 p 47 and tighten the screws in the order given in the figure B When installing the Cable Holder Frame attach the PF Encoder FFC along with the reference line shown in Fig 1 76 EJ Roller Shaft L Figure 1 79 Reinstalling the EJ Frame Assy B Wheninstalling the EJ Frame Assy make sure that the Left Right EJ Frame Springs are attached as shown in Fig 1 80 Carefully p 47 iac UE LA B When installing the Front Frame match the positioning holes E of the Front Frame with the guide pins of the Main Frame two on sus RN _ pairs and tighten the screws in the order given in Fig 1 77 pposite V5 oa toHP i m e PEOR p 47 Right EJ Frame Spring Figure 1 80 Reinstalling the Front Frame 1 YU Kum Whenever the EJ Frame Assy is removed or replaced the required Deng adjustments must be carried out e Refer to 2 1 2 Required Adjustments p 74 Disassembly Reassembly EJ Frame Assy 48 Confidential L800 L801 I CAWKY LO 1 5 10 PF Encoder PF Scale Take extra care not to contaminate or scratch the PF Scale Never touch the scale with bare hands 1 5 11 PF Motor Be careful not to damage the Pinion Gear of the PF Motor Removal procedure
40. ank Assy in the following order 1 Remove the screws x8 of the Bottom Cover and remove the Bottom Cover 2 Remove the Left Cover and Right Cover 3 Remove the Cover Joint g Tighten the screws in the order indicated in the figure above Disassembly Reassembly Bottom Cover Left Cover Right Cover Cover Joint Confidential L800 L801 I CAWKY LO 1 6 6 Ink Supply Tank Assy lt a 49 Ink Supply Tank B Be careful not to damage or peel off the film of the Ink Supply Tank B Be careful about how to place the Ink Supply Tank Assy in order to prevent printing failure from occurring See How to place the Ink Tank Assy when disassembling reassembling p 10 1 6 7 Ink Supply Tank Tube Assy Tube Clamp 388 4 mm 359 4 mm Ink Supply Tank Ink Supply Tank Tubes ii 1 i di Tq j J E P E d a ad 0 5 mm or less CEEL hil Route the Ink Supply Tank Tubes with the red lines facing upward as viewed when the Ink Supply Tank Assy is installed on the printer and connect them to the Ink Supply Tank Assy without any twist When connecting the Ink Supply Tank Tubes to the Ink Supply Tank confirm the color indicated on the film of the Ink Supply Tank and take care not to connect them with wrong joints When connecting the Ink Supply Tank Tubes to the Ink Supply Tank insert the tubes to the full and make sure the gaps b
41. cting ink cartridge and initializing ink system 13 1 The PF Motor rotates clockwise for one second and resets the PF Roller Carriage PF roller movement and position PG Continue to the next page 98 Confidential L800 L801 Table 4 1 Operation of the power on sequence Operation Carriage PF roller movement and position 13 2 The carriage slowly moves to the 0 digit side 13 3 The carriage slowly returns to its home position 14 CR lock setting 14 1 The carriage slowly moves to the CR lock set position 14 2 The PF Motor rotates counterclockwise and sets the CR lock 14 3 The carriage slowly returns to its home position Note 1 The rotation direction of the PF Motor is as follows Clockwise Paper is fed normally Counterclockwise Paper is fed backward 2 The condition of the CR lock is as follows Red CR lock is set White CR lock is released 3 Indicates the PG position Any position means that the PG position is not recognized because APG is not reset yet 4 Checks if the carriage is not deadlock such as the CR lock is caught in the gap of the carriage 5 Eject the paper if any 6 When paper exists the existing measurement value saved in EEPROM is read out therefore the PF Motor does not rotate 7 Executes when the detected temperature is under 5 C 41 F by the thermistor on the Printhead 8 The empty sanction operation may occur depending on the situati
42. ctor CN5 on the Main Board and peel the Panel FFC off the Cable Holder Frame 2 Disconnect the CDR Sensor Cable and Cover Open Sensor Cable from the connectors CN4 CN17 on the Main Board 3 Release the CDR Sensor Cable and Cover Open Sensor Cable from the two hooks of the Cable Holder Frame 4 Peel off the acetate tape A B to separate the CDR Sensor Cable from the Cover Open Sensor Cable 5 Remove the two screws e Screw 3 pcs C B P M3x6 tightening torque 5 7 kgf cm e Screw O 3 pcs C B P M3x10 tightening torque 5 7 kgf cm 6 From the bottom of the Printer insert a flathead screwdriver into the hole to disengage the tab and remove the Panel Assy Front side Open Sensor Holder Disengage d Figure 1 29 Removing the Panel Assy 1 Figure 1 30 Removing the Panel Assy 2 Panel FFC Cable Holder Frame we Double sided Tape Disassembly Reassembly Panel Assy Cover Open Sensor Confidential I CAYAY LU L800 L801 B As shown in Fig 1 32 route the CDR Sensor Cable and Cover Open Sensor Cable through the gap between the two ribs of the Open Sensor Holder When Installing the Panel Assy be careful of the following B Tighten the screws in the order given in Fig 1 30 B When routing the FFCs and cables follow the procedures below referring to Fig 1 31 1 Route the Panel FFC aligning its upper edge with the reference line marked on the Cable Holder Frame and secure th
43. currence Timing Power on timing Print start timing e Prnt timing Troubleshooting When the error occurs at turning on the printer set the CD R guide stacker in the lower paper position When the error occurs at printing set the CD R guide stacker in correct position according to the print job Ifthe error occurs again though confirming two of the above check CD R Guide Sensor Main Board Ifthe printer can turn on but turns off right away the protection circuit may cut off the power due to an error such as a circuit failure 2 The total number of printing TP and CD R printing CP are printed on the check pattern If any of the two counts exceeds the specified value make sure to replace the required parts 3 Only for manual duplex print 4 In case of Not Trouble Found check fatal error code This flowchart is compiled based on the following contents B Our experience regarding the quality problem B ESK s repair data on FY08 FY09 models B Printer Mechanism specification for L800 L801 103 Confidential L800 L801 AVERTI 4 3 2 Fatal Error Code Table 4 3 Fatal Error List This section describes the fatal error code and the possible cause for this Error type Error Error name Possible cause code product PF Motor failure PF PID acceleration lock FBH PF drive mechanism overload paper jam Table 4 3 Fatal Error List error PROMISE oreign object FEH PF
44. described below shown below the Choke Valve is Assy are securely closed closed See Figure 1 3 1 Prepare a handle part of a clip or a similar metal wire piece Handle part 7 B The hooks x2 of the Ink Supply B The opened ink bottle is not Tank Assy are securely engaged included in the box with the Housing Upper Assy Figure 1 10 Making Special Tool for Holder Contact 1 Ink Supply Tank Assy 2 Bend the metal wire as shown below gas Special Tool Figure 1 11 Making Special Tool for Holder Contact 2 I5 Disassembly Reassembly Overview Confidential I CAYAY LU L800 L801 1 1 5 Orientation Definition Orientation descriptions used in the disassembly reassembly procedures are as follows Left Side Rear Side Front Side Figure 1 12 Orientation Definition 1 1 6 How to Unlock the Carriage Unlocking the carriage is required for disassembly of some parts or components Carry out any of the following operations to unlock the carriage and move the carriage to other than its home position Right home Side T Be extremely careful not to damage the EJ Roller gear Extra care must be taken to avoid injury from sharp metal edges B Power the printer and turn it off forcedly by disconnecting the power cable when the CR Unit is unlocked and moved away from the home position B Turn the EJ Roller gear on the left side of the printer in the d
45. e FFC with double sided tape Attach the acetate tape C along with the edge of the Cable Holder Frame to secure the Panel FFC and Head FFC Tie the two cables together using two pieces of acetate tape 20 mm each so that the two tape positions come to the two hooks of the Cable Holder Frame respectively The cables orientation must be as follows CDR cable faces its black side upward Cover Open Sensor cable faces its gray side upward Route the cables through the two hooks of the Cable Holder Frame aligning the center of the tapes with the hooks ES Fold the Panel FFC along the corner of the Upper Shield Plate M B C i a Upper Side CDR Sensor Cable Lower Side Cover Open Sensor Cable Do not route the Panel FFC over the screw of the Cable Holder Frame Disassembly Reassembly L Hook pee s a Ref Line Y m Figure 1 31 Routing the Cables Panel Assy Cover Open Sensor Cover Open Sensor Cable CDR Sensor Cable Figure 1 32 Installing the Panel Assy 1 As shown in Fig 1 30 p 30 and Fig 1 33 match the positioning holes of the Open Sensor Holder with the guide pins of the Housing Lower and secure the Open Sensor Holder with the tab o J I c f a ff 9 dei Open Sensor Holder hy yh i ag 4 lt a at TE X NT O Positioning Hole Housing Lower E and Guide Pin Figure 1 33 Installing the Panel Assy 2 Confidential L800
46. e scale corner with the scanner origin position B Place the pattern printed sheet along the scale as shown in the figure below Make sure to place it parallel to the scale with no gaps Scanner Document Table Figure 2 14 PFP Base Scale and BRS Adjustment Pattern Position Viewed from the document glass of the scanner Scanner Origin Position p BRS Adjustment Pattern A4 Banding Reduction System BRS Adjustment Paper Feed Amount Profile PFP Correction Confidential L800 L801 AVR I 2 3 2 2 PFP Adjustment Ll Scanning the PFP Adjustment Pattern O Printing the PFP Adjustment Pattern 4 Setthe PFP Base Scale and the PFP test pattern on the document table and click l Load4x 6 Premium Glossy Photo Paper on the paper support Me pcan pukom onthe i pcan Tesi Fareri golin 5 According to the scanned result PFP calibration values are automatically calculated and are written to the serial flash ROM If an error occurs check that the document table glass and the scale is clean and the scale adjustment pattern is not tilted then repeat from step 4 2 Select PFP Adjustment in the adjustment program Click the Print button on the 1 Print Test Pattern column to print the adjustment pattern Be careful of the following when setting the PFP Base Scale and the adjustment pattern on the scanner B Place the scale on the document glass aligning the scale corner with the scanner orig
47. e smallest Additional information If no appropriate pattern is found reassemble replace the Printhead Example for judgement Adjustment 2 2 3 Bi D Adjustment The pattern shown below is printed for each of the 7 print modes 25 20 22 24 26 28 30 32 27 Figure 2 4 Bi D Adjustment Pattern How to Judge Find the pattern with no gaps or overleaps of the left and right pattern and enter the value of that pattern Additional information If an appropriate pattern is not printed enter the nearest value and then print the patterns again Example for judgement Overlap Using the Adjustment Program Confidential L800 L801 AVR I 2 2 4 PW Adjustment First Dot Position Adjustment O PW adjustment Patterns are printed as shown below How to Judge E E E e e C NE Enter the value for the line that is exactly 5mm away from the paper edge for e ee each of the left right top and bottom 4 7 Example In the left figure enter 0 top 0 right 5 bottom and 3 6 o left 4 4 O First dot position adjustment How to Judge Enter the value for the point where the PW adjustment pattern line and the First dot position adjustment pattern line overlap on the left of the paper TT Area where A and B overlap q Example In the left figure enter 2 since the lines overlap at 2 position o A PW adjustment pattern line left B First dot position adjustment patt
48. e top into the hole of the Tube Guide Sheet Sub to secure it Attach the Tube Holders x3 and secure them with the screws in the order shown in the figure above Hold the Ink Supply Tube by the Adapter side and flip it over as shown in the figure then put a marking on the bottom side of the Ink Supply Tube 70 mm from the Tube Clamp nearest to the Adapter Connect the Ink Supply Tube to the Adapter and install the Adapter to the CR Unit p 68 Route the Ink Supply Tubes through the grooves of the CR Unit and align the markings on the Ink Supply Tubes with the edge of the grooves as shown in the figure above Disassembly Reassembly Ink Supply Tube Assy Confidential L800 L801 Revision A 1 6 13 Adapter Cover 1 6 14 Adapter a Ink Supply Tube O CBP 3X8 5 7kgf cm mok B Follow the procedure uk when installing the Adapter Cover to the CR Unit Baca onto damage orpecLon ie im orike Adani 1 Attach the Tube Guide Sheet to the Adapter Cover Insert the dowels x2 of the Adapter Cover into the holes x2 of the CR Unit and 7 Use a precision screwdriver when releasing the hooks of the Adapter engage the hook of the Adapter Cover to the CR Unit o When connecting the Ink Supply Tubes to the Adapter make sure the red lines on the Ink Make sure no Ink Supply Tubes are caught then secure the Adapter Cover with the Subpiy Tubes ares ee ard aoe wa ine d oure abore screw x1 B After i
49. ed that the ink in the Ink Supply Tank should be discharged completely before proceeding to disassembling opposite side of the joint reassembling 7 Connect the tube from the injector After all the reassembling work is complete the discharged ink 8 Open the choke valve again and suck up the remaining ink in the Ink of each color should be refilled back to the Ink Supply Tank Supply Tank into the injector before performing the adjustment Confirm the colors 9 Disconnect the tube from the injector and connect the Ink Supply Tube indicated on the film of the Ink Supply Tank so as not to of the same color back to the joint mistake them and make sure to refill each ink back to the correct tank from the corresponding ink supply hole LAE ee Eee Ink supply hole Figure 1 6 Discharging Ink 2 10 Repeat Step 3 to Step 10 for all ink tanks to discharge all ink in the Ink Supply Tank Disassembly Reassembly Overview 13 Confidential L800 L801 VAYN 1 1 3 Protection for Transportation Before packing the printer for returning it to the user secure it at the specified points with strong tape to avoid damaging the printer or ink leakage during transport and make sure to check the points as follows O Attaching the Air Release Hole Caps B To prevent the ventilation film from getting wet attach the Air Release Hole Caps part number 1556135 to the air release holes of the Ink Supply Tank Assy Ink Su
50. eet 80 eth MNS AIAG oo rt es dene A HEN Grete 89 Deller Sery ICS Manie NAICS xou io cick aa eveniet a aE 89 33153 EUD ICA OD e cisco weeded lolo iab eu ol aac ni esc casu auc o LU alee 90 Chapter 4 Appendix Bel Power Om SEGUE CS sass csetioensnct sat icem a odiis aedes tu nt Meade 97 4 2 Standard Operation Time for servicing the product ccccccceeeeeeeeeeeeeens 99 2 5 TOU DICSWOOMINS moes A E A 102 4 3 1 Troubleshooting Workflow 00 ccccccccceesessssesesssessccaaeeeeeeeeeeeeeeeeees 102 4 32 aBdtal Ae TOF C odena a a a 104 Confidential Confidential L800 L801 I CAWKY LO 1 1 Overview Some pictures in this manual are for Epson Stylus Photo R280 R285 R290 therefore the shapes of the parts are different from those of L800 L801 but the differences does not affect the disassembly reassembly procedures This chapter describes procedures for disassembling the main parts units of L800 L801 Unless otherwise specified disassembled parts units can be reassembled by reversing the disassembly procedure See the cautions or tips for disassembly reassembly described in 1 2 Disassembly Reassembly Procedures p17 Read the following before disassembling and reassembling O Safety Precautions p3 O 1 1 2 Checks and Precautions before Disassembling p10 When you have to remove units or parts that are not described in this chapter see the exploded diagrams of SPI Service Parts Information 1 1
51. er given in Fig 1 101 p 54 Install the LD Roller following the procedure below Make sure to apply grease referring to the page given below Lubrication of the ASF Unit p 94 Install the LD Roller aligning the arrow on the LD Roller with the arrow on the blade of the shaft Make sure the LD Roller is securely attached without gap or misalignment LD Roller Align the arrows Figure 1 103 Reinstalling the LD Roller Whenever the ASF Unit is removed or replaced the required adjustments must be carried out e Refer to 2 1 2 Required Adjustments p 74 55 Confidential L800 L801 VAYN 1 5 15 Upper Paper Guide The figure below is the Upper Paper Guide The two thin shafts indicated with the arrows are likely to break however the Upper Paper Guide does not need to be replaced even if the shafts become broken Because the shafts do not go on the bushings of the Printer Frame Be sure to follow the procedure below to remove the Upper Paper Guide to avoid damaging the PE Sensor Lever It is recommended to place a transparent sheet between the Upper and Front Paper Guides to avoid scratching the roller Do not touch the roller surface with bare hands as it can adversely affect the print quality Removal procedure 1 Remove the three springs from the rear side disengage the three hooks and remove the Upper Paper Guide from the Main Frame int quem Side p When installing the three springs secure the ends of the
52. erations the ink 1s drained to the Waste Ink Pads via the Pump The amount of the waste ink is stored as the waste ink counter into the EEPROM When the waste ink counter has reached the limit of the absorbing capability of the Waste Ink Pads the maintenance request error is displayed This printer takes the ink evaporation amount into consideration therefore the counter limit differs depending on how often printing 1s made When the maintenance request error appears replace the Waste ink pads with a new one and reset the waste ink counter using the Adjustment program If the waste ink counter is close to its limit recommend that the Waste ink pads will be replaced with new one This is because the Maintenance request error will may occur after returning the repaired product to the customer Overview 89 Confidential L800 L801 AVR I 3 1 3 Lubrication Lubrication Points The type and amount of the grease used to lubricate the printer parts are I 2 Sons wore ey determined based on the results of the internal evaluations Be sure to apply the One point at the center of the Pulley specified type and amount of the grease to the specified parts during servicing mentioned below Shaft lt Type gt G 71 lt Application Amount gt x 1 mm x 3 points lt Application Timing gt O When parts that need lubrication is been replaced O As the need arises during disassembly reassembly of the printer Never use oil
53. eripheral devices when servicing the product or performing maintenance When performing works described in this manual do not connect to a power source until instructed to do so Connecting to a power source causes high voltage in the power supply unit and some electronic components even 1f the product power switch is off If you need to perform the work with the power cable connected to a power source use extreme caution to avoid electrical shock WARNING Strictly observe the following cautions Failure to comply may lead to personal injury or loss of life Ig 2 Always wear protective goggles for disassembly and reassembly to protect your eyes from ink in working If any ink gets in your eyes wash your eyes with clean water and consult a doctor immediately When using compressed air products such as air duster for cleaning during repair and maintenance the use of such products containing flammable gas is prohibited Confidential PRECAUTIONS Strictly observe the following cautions Failure to comply may lead to personal injury or damage of the product 1 Repairs on Epson product should be performed only by an Epson certified 11 Be extremely careful not to scratch or contaminate the following parts repair technician No work should be performed on this product by persons unfamiliar with basic safety knowledge required for electrician The power rating of this product is indicated on the serial number rating plate
54. ern line Figure 2 5 PW First Dot Position Adjustment Pattern Adjustment Using the Adjustment Program Confidential L800 L801 Revision A 2 2 5 PF Adjustment O PF for bottom margin area O PF for standard print area Patterns are printed as shown below Patterns are printed as shown below Upper block B 3 E 2 i 1 0 1 2 3 Ls Lower block Figure 2 7 PF Adjustment bottom margin area Pattern How to Judge Enter the value for the one that has no gap or overlap between the upper block and the lower block Example In the above figure 0 should be selected Additional information In case that all patterns have gap or overlap select the value for the pattern which has the least gap or overlap and print the pattern again Figure 2 6 PF standard print area Adjustment Pattern How to Judge ei2 20 9993 Example for judgement POINT Overlap Gap Enter the value for the group that has no gap or overlap between the upper and EJ the lower patterns Example for judgement B 4 tz NG OK NG EH 07 NG OK NG Adjustment Using the Adjustment Program 80 Confidential L800 L801 AVAIT I 2 2 6 PG Adjustment The thickness gauge to be used must be free from dust and dirt Descsbed below isthe plat en gap PG a djustm T and from deformation Be sure to clean it before use Take care that the Print Head is not soiled or scratched O Purpose Adjust the distance between the head s
55. ernal scanner e Artisan 725 Epson Stylus Photo PX720WD TX720WD Artisan 835 Epson Stylus Photo PX820FWD TX820FWD Use the internal scanner e Epson WorkForce 630 Epson Stylus Office TX620FWD ME Office 960FWD e Epson WorkForce 625 Epson Stylus Office BX525WD Epson Stylus SX525WD Artisan 725 Epson Stylus Photo PX720WD TX720WD Use the internal scanner Epson WorkForce 630 Epson Stylus Office TX620FWD ME Office 960FWD Epson WorkForce 625 Epson Stylus Office BX525WD Epson Stylus SX525WD gt Printer Calculate correction value Use the internal scanner Use the internal scanner CCD Epson Stylus Photo PX650 TX650 PX660 Epson Stylus Photo RX585 RX595 RX610 Use the internal scanner Test Pattern Scanner Figure 2 11 System Configuration Adjustment Banding Reduction System BRS Adjustment Paper Feed Amount Profile PFP Correction Confidential L800 L801 AVR I O Adjustment Flow Depending on the sensor type of the scanner to use for the adjustment drying time required after the BRS adjustment Carry out the adjustment following the adjustment flow below pattern has been printed differs For PFP adjustment pattern PFP check pattern drying time is not required B For CCD sensor Printed pattern can be scanned straight away Drying time of Printing the BRS about 2 minutes is recommended Adjustment Pattern For CIS sensor Printed pattern needs to be dried more than 5 minutes Print
56. etate tapes to release the CR Motor cable ALY ae zm ome n s www Se ido RearSide zum uw E B 1 TE L ki J Ee EIL FEP an EN I a 1 N Na b rm Extension Spring Figure 1 84 Removing the Extension Spring Figure 1 86 Removing the CR Motor 2 Take extra care not to contaminate the Timing Belt with grease The belt deteriorates faster if grease adheres to it 4 Insert a Phillips screwdriver with a shaft of 13cm or longer is recommended through the hole of the Front Frame remove the two screws and remove the CR Motor e Screw Q C P M3x4 tightening torque 3 5 kgf cm 2 Remove the Driven Pulley Assy and remove the Timing Belt from the Pinion The numbers shown in the figure indicate the order of tightening the screws Gear of the CR Motor 5 _ xx Driven Pulley Assy a AE ao t CR Motor 2 E 2 a E Rear Side Figure 1 85 Removing the CR Motor 1 EN Figure 1 87 Removing the CR Motor 3 Disassembly Reassembly CR Motor 50 Confidential I CAYAY LU L800 L801 B When routing the CR Motor Cable and PE Sensor Cable refer to Fig 1 88 and follow the steps below 1 Wrap the CR Motor Cable with the acetate tape A 30 mm at the position of 100 mm away from the acetate tape that is on the CR Motor side 2 Tie the two cables together with the acetate tape B 20 mm at the position 6
57. etween the end of tubes and the tank are 0 5 mm long or less Disassembly Reassembly Ink Supply Tank Assy 64 Confidential I CAYAY LU L800 L801 1 6 8 Joint eet TS aaa Adapter Side Adapter Side Ink Supply Tube E Pa H EINEN LIE LL B L NEN EN gt Ink Supply Tank Tube LH N N EE Ink Supply Tube EN Be e Wer X NM X ax Z s X n Vi X F wN Make sure the red lines of the Ink Supply T upward ank Tube and Ink Supply Tube facing Bp B Make sure the gaps between the end of Ink Supply Tank Tubes or Ink Supply Tubes and the Joint are 0 5 mm long or less Disassembly Reassembly B When attaching the Joint align the cutout of the Joint with the rib of the Cover Case 1 6 9 Cover Case d A A b EN oO T e I be zs bu E XN XN VV XN a SQ bo P Cover Case T SUN Cover Case gas LM lt lt me e O C B P 3X8 5 Jkgfcm The location where Front Frame may interfere Remove the screw x1 Lift the Cover Case slightly to release the dowels x2 on the bottom of the Cover Case Rotate the Cover Case in the direction of the arrow 1 to avoid the section A and B of the Cover Case from bumping against the Front Frame Remove the Cover Case in the direction of the
58. ey are removed unin DOIAN y l Disassembling p10 Indicates necessary check items in the Indicates the reference Icon disassembling reassembling procedure page in blue letter Indicates supplementary explanation for Indicates the reference disassembly is given page in blue letter Indicates particular tasks to keep quality ofthe Indicates the reference units are required page in blue letter hapter 2 Adj t Indicates particular adjustment s is are required E i paN l i Chapter 3 Indicates lubrication is required Maintenance p88 Indicates the number of screws securing the parts units Indicates the points secured with other than a screw such as a hook rib dowel or the like Disassembly Reassembly 1 5 8 Ink System p45 Main Boara Unit Black letters indicate a part unit not supplied as an ASP Shows the screw types and the specified torque in the Screw type torque list White letters indicate a Ink Supply Tank Front Paper part unit supplied as an Tube Assy i Guide Assy ASP m a SS S9 Indicates that the disassembly procedure of boxed parts is explained all together and step by step in the section shown as reference page A Reference page Figure 1 14 Example Chart Disassembly Reassembly Procedures 17 Confidential L800 L801 VAUN 1 2 2 Disassembly Flowchart Printer Cover Paper Support Stacker Assy Stacker Cover Cover Ink Tube
59. hat the Curved Flat surface face up then lt Remarks gt a aaa Application point 2 ication point 2 apply grease to the specified parts Apply with Cotton bud Figure 3 17 Lubrication of the ASF Unit Figure 3 19 Lubrication of the LD Roller Shaft 2 Application Point Maintenance Overview 94 Confidential L800 L801 AVR Lubrication Points Contact point between the LD Roller LD Roller Shaft Curved surface and Hopper ASF Gear Ribs beside the LD Roller Type G 71 Application Amount gt 9 1x 1 4 circle x 4 points Application Timing Apply before assembling the LD Roller Holder lt Remarks gt Apply with Injector O Rotate the LD Roller Shaft so that Application Point the Curved Flat surface face up then apply grease to the specified parts Figure 3 20 Lubrication of the LD Roller Shaft 3 Maintenance Overview 95 Confidential Confidential L800 L801 I CAWKY LO 4 1 Power On Sequence This section describes the power on sequences O Condition B Completing ink charge No CDR Tray and no paper on the paper path The stacker is not set on the CDR printing position The Printhead is capped with the Cap of the Ink System The Carriage is locked by the CR lock Table 4 1 Operation of the power on sequence Carriage PF roller Operation suet ay movement and position 1 Checking waste ink overflow 1 1 Reads out the protection counter value to check Tees waste
60. he Figure 1 99 Removing the LD Roller Guide 2 hooks of the LD Roller Guide B Removing the ASF Unit 1 Release the following cables from the ASF Unit e CR Motor Cable 3 Push the tabs on the right and the left slide the LD Roller Guide upward to e PF Motor Cable remove it disengaging the five hooks e PE Motor Cable P i 12 Removal Direction ASF Unit Hook Figure 1 100 Releasing the Cables 2 Remove the two screws on the rear side e Screw C B S P4 M3x6 tightening torque 1 7 9 kgf cm 2 9 11 kgf cm The numbers shown in the figure indicate the order of tightening the screws Rear Side NN Disassembly Reassembly ASF Unit 54 Confidential I CAYAY LU L800 L801 3 Disengage the two hooks 1 2 that secure the ASF Unit from the Main Frame 4 Remove the Combination Gear 10 15 2 then remove the ASF Unit while releasing the edge of the Change Lever from the hole of the Main Frame Hook 1 Change Lever Hook 2 Cor wa Removal Direction ASF Unit Disassembly Reassembly Lubrication is required See the page given below for the lubrication information Lubrication of ASF Unit p 94 When installing the ASF Unit make sure that the Combination Gear tip of the Change Lever and the two hooks are securely attached Also make sure that there is appropriate space at both the left and right of the Change Lever Tighten the screws in the ord
61. he maximum during servicing carry out the pad replacement and the counter reset to avoid the printer returned from the user due to the maintenance error This function is used to charge ink to the components composing the ink The ink charge can be selected from the charge to Printhead only or the Adjustment Program path such as Printhead after replacing them charge through Ink Tube Adapter to Printhead Whether to reflect the discharged ink amount to the waste ink pad counter or not can also be selected as an option Ink charge Select the range to charge ink and options and then press the execute button to execute the ink charge to the selected range automatically After ink charge print a nozzle check pattern to check if all nozzles are firing ink properly When an ink out error occurs even though some ink is still in the Ink If the execute button is pressed the ink counter value is automatically Adjustment Program Supply Tank Assy in the case when the ink counter in the printer and the set But if no ink out error is occurring the message which says the Small ink counter reset actual ink remaining amount do not match this function can decrease _ function cannot be executed appears and no reset will be made the ink counter resetting the counter partially to adjust the counter with the actual ink remaining amount Table 2 3 Additional Functions Additional Functions Purpose Method Outline Final check pattern Use this
62. hown in the figure indicate the order of tightening the screws The numbers shown in the figure indicate the order of tightening the screws Back Side Cable Holder Frame b UN 4 t x Figure 1 75 Removing the Cable Holder Frame 8 Peel off the PF Encoder FFC from the back of the Cable Holder Frame Zra my IIT Acetate Tape ea i __ m Positioning hole l H n JJ Figure 1 77 Removing the Front Frame 10 Release the CDR Sensor Cable from the cable guide of the EJ Frame Assy 11 Remove the EJ Frame Assy LU ul be Te s lt MAN Removal Direction lt Ed Ru ad pe a sl b f i Figure 1 76 Removing the PF Encoder FFC y c Sa t J E A2 vr P Cable Guide Figure 1 78 Removing the EJ Frame Assy Disassembly Reassembly EJ Frame Assy 47 Confidential L800 L801 AVR When installing the EJ Frame Assy be careful of the following B Lubrication is required See the page given below for the lubrication information Lubrication of EJ Frame Assy p 91 As shown in Fig 1 79 insert the two bearings of the EJ Frame Assy over the EJ Roller Shaft a y earing Bearing i K B When installing the Front Frame screw it after securing the foot of the two EJ Frame Springs to the slits as shown in the figure Carefully handle the EJ Frame as the springs come off easily PE S E Right Side A HPSide Left EJ Frame Spring i Right EJ Fr
63. igure 1 20 Removing the Upper Housing Figure 1 19 Installing the Stacker Assy Disassembly Reassembly Stacker Assy Stacker Cover Confidential L800 L801 Revision A 2 Slide the Front Housing in the direction of the arrow and remove the Front Housing from the Upper Housing Grooves Mf Rear Side Front Housing Figure 1 21 Removing the Front Housing When installing the Upper Housing be careful of the following Do not pinch the cables Tighten the screws in the order given in Fig 1 20 p 25 Match the ribs of the Upper Housing shown in Fig 1 20 p 25 with the grooves of the Housing Lower As shown in Fig 1 22 match the A part of the Front Housing with the screw box of the Housing Lower Front Housing Screw box of ApartofFront Housing Lower Housing a Figure 1 22 Installing Upper Housing Disassembly Reassembly Housing Upper Assy Confidential L800 L801 Revision A 1 4 Removing Control Boards 3 Peel off the four acetate tapes that secures the following cables on the back of M gt the Main Board Unit e Power Supply Cable 1 4 1 Main Board Unit e CR Motor Cable e PF Motor Cable e PE Motor Cable B Main Board Unit removal e APG Sensor Cable Removal procedure 1 Disconnect all connectors on the Main Board Unit 2 Peeloffthe double sided tape that secures the Panel FFC to the Holder Frame and release the Panel FFC Fig 1 29 p 30 E a m E
64. in position B Place the pattern printed sheet along the scale as shown in the figure below Make sure to place it parallel to the scale with no gaps Scanner Origin d pi No 00000 065066067048049 Position PeTrOTE 048054048053 181427010 049056049052050 055048049048 Position of the other PFP Base Scale when using the scanner for which two PFP Base scales for the adjustment are required Printer Identification Code Figure 2 15 PFP Test Pattern In the Adjustment program the identification code is used to PFP Base Scale P gt distinguish whether the printer that printed the pattern and the printer to register the adjustment value is the same PFP Adjustmen Pattern 4 x 6 size Scanner Document Table Figure 2 16 PFP Base Scale and PFP Adjustment Pattern Position When viewed from the document glass of the scanner Adjustment Banding Reduction System BRS Adjustment Paper Feed Amount Profile PFP Correction Confidential I CAV KYU L800 L801 O Printing the PFP Check Pattern 6 Set 4x 6 Premium Glossy Photo Paper on the paper support and click the Print L Button on the 4 Print Check Pattern column Normal Area Check Pattern Bottom Edge Area Check Pattern Figure 2 17 PFP Check Pattern Adjustment O Judging the Check Pattern Referring to Fig 2 18 check that there is no white or overlapped bands in all the check patterns If
65. ing Driver re setting CR Scale replacement Printhead cover cleaning Printhead cleaning Adapter replacement Ink Supply Tube replacement Open valve of Ink Supply Tank Printhead replacement Rubber cleaning of Cap Unit Ink System Assy replacement Porous Pad re installation PG readjustment PE Sensor replacement PE Sensor Lever replacement PF Roller LD Roller EJ Roller Star Wheel on EJ Frame Assy cleaning Printer Mechanism replacement Soiled printing surface Presumable Cause Contamination of the LD Roller or LD Roller Shaft by ink mist Major Troubleshooting LD Roller replacement LD Roller Shaft cleaning Major problem without error message Fatal error Please refer to 4 3 2 Fatal Error Code p104 for troubleshooting Poor Paper Loading Presumable Cause Use of 3rd party media Edge guide mis setting Foreign material Part come off LD Roller damage Retard Roller damage Change Lever damage Major Troubleshooting Recommendation of EPSON media Edge guide re setting Foreign material removal Part re installation LD Roller replacement Retard Roller replacement Change Lever replacement Blank Printing Presumable Cause Valve closes nk tank ventilation film gets wet Ink tube crumples Ink tube connection is incomplete Adapter damage Major Troubleshooting Open valve of Ink Supply Tank Ink tank replacement Ink tube re installation Adapter replacement Abnorma
66. ing the PFP Check P mem 4 O Scanning the BRS NG Adjustment Pattern Judging the Check DAG Pattern OK OK Printing the PFP Adjustment Pattern Scanning the PFP Adjustment Pattern failure Remove it to locate the defective part and replace then OK reassemble it Figure 2 12 BRS PFP Adjustment Flow Note When a PFP pattern is judged as NG repeat the steps as described below First time NG retry from step Second time NG retry from step Third time NG perform step Judge it is mechanism s When an error is displayed in the Adjustment program check the points below then carry out the adjustment again If an error occurs even after checking the points below change the scanner with a different one and carry out the adjustment again Check that the printer that printed the pattern and the printer to register the adjustment value is the same Check that the printed pattern is placed on the document table of the scanner correctly Check that there is no gap between the PFP Base Scale and the pattern printed sheet Check that the scanner glass surface and the PFP Base Scale is free from any dirt or dust Adjustment Banding Reduction System BRS Adjustment Paper Feed Amount Profile PFP Correction Confidential L800 L801 2 3 2 Adjustment Procedure 2 3 2 1 BRS Banding Reduction System Adjustment O l 2 3 Adjustment Printing the BRS Adjustment Pattern Load A4 size Mat
67. ioning lock CR Motor failure EFH error Carriage overload paper jam foreign object APG home position APG Sensor failure seeking error Cable disconnection CR Encoder failure contaminated detached CR PID driving time error scale Encoder Board failure TD C Roae DOSMIORIHE EXCESS Motor driver failure Main ae failure mo D2H n Sie ae speed error l i drive time driving time error e Main Board failure Carriage overload paper jam foreign object a CERO PF PID driving time error Cable disconnection CR Encoder failure contaminated detached PF BS driving time error scale Encoder Board failure Command 308 EEPROM verify error CR PID lock error CR Motor failure error by command Carriage overload paper jam foreign object Cable disconnection CR Motor failure Motor driver failure Main Board failure CR PID aveTi max error a e Improper tension of the CR Timing Belt Carriage overload paper jam foreign object Appendix Fatal Error Code Confidential L800 L801 Table 4 3 Fatal Error List Error type Error name Possible cause code Transistor temperature Error Printhead 41H X Hot detection error system before printing error Printhead failure X Hot detection error 42H i en before flushing Main Board failure Home position seeking error CR lock release error Sequence H CR CR lock error 0 CR lock error 0 error Car ertor e Foreign ob
68. irection of the arrow until the carriage is unlocked Left side PF Roller Gear x E liz Ez aus ia yy Bm n 4 x ram P e Carriage Disassembly Reassembly Overview 16 Confidential L800 L801 I CAWKY LO 1 2 Disassembly Reassembly Procedures 1 2 1 Overview This section describes procedures for disassembling the parts units in a flowchart format For some parts units detailed procedures or precautions are provided accordingly indicated by icons and cell s color Refer to the explanations in the example chart below and perform an appropriate disassembling and reassembling procedure See 1 3 Removing Exterior Parts Components p24 The example below shows how to see the charts on the following pages Table 1 2 Explanatory Note Item Description Reference Parts units supplied as an ASP name Black letter Parts units not supplied as an ASP f Indicates a practice or condition that could result Indicates the reference KA in injury or loss of life if not strictly observed page in blue letter Indicates a practice or condition that could result Indicates the reference in damage to or destruction of equipment if not i page in blue letter strictly observed Indicates the parts that are inevitably broken in the disassembling procedure and should be replaced with a new one for reassembly 1 1 2 Checks and Indicates the parts that may cause the ink spill o when th
69. is Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action Pay attention to all symbols when they are used and always read explanation thoroughly and follow the instructions WARNING d Indicates an operating or maintenance procedure practice or condition that if not strictly observed could result in serious injury or loss of life Indicates an operating or maintenance procedure practice or condition that if not strictly observed could result in bodily injury damage or malfunction of equipment May indicate an operating or maintenance procedure practice or condition that is necessary to accomplish a task efficiently It may also provide additional information that 1s related to a specific subject or comment on the results achieved through a previous action For Chapter 1 Disassembly Reassembly symbols other than indicated above are used to show additional information for disassembly reassembly For the details on those symbols see 1 2 Disassembly Reassembly Procedures pl7 Confidential Revision Status Revision Date of Issue Description Confidential L800 L801 Revision A CONTENTS Chapter 1 Disassembly Reassembly Vial MOM ER VICW X Cp EE 10 Lal SIE OG VS asec ae ctssescbceersnten abut ues A 10 1 1 2 Checks and Precautions before Disassembling
70. ject before initial ink charge bad Impossible contact error at powering off PW sensor error Hi check error PW sensor error e Main Board failure Low check error Sensor l error Bone E EE e CDR Tray Sensor failure d e Main Board failure PE Sensor failure 63H PE sensor error PE Sensor Lever failure Main Board failure Paper jam Foreign object Deformation of the frame PW Sensor failure Appendix I CAWKY LO Table 4 3 Fatal Error List Error type Error name Possible cause code Mainte AoH Waste ink overflow The maintenance counter has reached a limit nance error Waste Ink Tray or Waste Ink Pad Lower Foreign object Error Tray insertion error during cleaning CDR Tray Sensor failure Main Board failure Abnormal Paper jam operation Foreign object e Deformation of the frame PF Motor failure Impossible contact error during cleaning PF drive mechanism overload paper jam foreign object Note Not occurs except in manufacturing process Fatal Error Code 105 Confidential
71. l Noise Presumable Cause Foreign material nsufficient grease Gear damage Major Troubleshooting Foreign material removal Lubrication of grease e Gear replacement Paper Jam error Please refer to Paper Jam error of Error occurs in printing operation Paper Jam error Occurrence Condition This error occurs when top bottom of paper is not detected by PE Sensor in the specified steps of paper feeding operation correctly Major Occurrence Timing Power on timing e Paper loading timing e Paper eject timing Major Troubleshooting Push the Paper button to eject the paper Success Starts paper feeding operation again if printer has print job Fail Paper jam error occurs again 2 Iffail in the above 1 remove the paper 3 Push Paper button again Success Starts paper feeding operation again if printer has print job Fail Paper jam error occurs again If fail in the above 3 check foreign material part come off EJ Frame Assy PE Sensor PE Sensor Lever Porous Pad on Paper Guide Front PW Sensor Main board Maintenance error Occurrence Condition This error occurs when maintenance counter in EEPROM exceeds the specified value It also occurs when running the power cleaning too many times Major Occurrence Timing Power on timing Print start timing Cleaning timing Troubleshooting Waste Ink Tray replacement e Waste Ink Pad L
72. line is 4 mm or more Choose the from a combobox e 2mmor less Choose the from a combobox Figure 2 1 Top Margin Adjustment Pattern How to Judge Measure the distance from the top edge of paper to the printed line and enter any one of the 0 according to the judging standard Adjustment 2 2 2 Head Angular Adjustment Two patterns are printed as shown below O Band pattern The following pattern is printed The lines below 0 gt gt 80 are printed while the carriage moves from the home to the other side and lines below 80 gt gt 0 are printed while the carriage returns to the home 80 to 0 column 0 to 80 column 0 gt gt 80 80 gt gt 0 Figure 2 2 Head Angular Adjustment Band Pattern How to Judge Examine the printout patterns and enter the value 16 to 16 for the most straight lines Additional information When 16 or 16 is the most straight lines it indicates that the printhead is not installed correctly Reassemble the printhead and carry out this adjustment again rel 2e AA Example for judgement Using the Adjustment Program Confidential EAYN L800 L801 Microweave Pattern o nN pd 1 E N 1 9 Figure 2 3 Head Angular Adjustment Microweave Pattern How to Judge Examine the printout 3 to 3 patterns and select the value for the group of which the gaps between the 2 color bars are th
73. ll when removing the following parts from L800 L801 This section describes the parts that may cause ink spill and the means to minimize the ink spill when removing the parts THE PARTS THAT MAY CAUSE INK SPILL WHEN REMOVING When ink may spill Location Removing the Ink Supply Tank Tube Assy Ink Supply Tube Assy from the Joint Ink Supply Tank Assy Removing the tubes of the Ink Supply Tank Tube Assy from the Joint Removing the tubes of the Ink Supply Tank Tube Assy from the Ink Supply Ink Supply i a SSy Tank Tube Assy w Valve Assy Adapter Removing the Ink Supply Tube Assy from the Adapter O Removing the Ink Supply Tank Tube Assy Ink Supply Tube Assy from the Joint O Removing the Ink Supply Tube Assy from the Adapter Ink Supply Tube Assy Note These parts are indicated with the amp iconin disassembly reassembly flowchart See 1 2 Disassembly Reassembly Procedures p17 WI X Ink Supply Tube Assy X Ink Supply Tank Tube Assy Figure 1 2 Location Disassembly Reassembly MEANS DO TO MINIMIZE THE INK SPILL Even observing the points described in this section ink may spill in the following situations Therefore be careful not to contaminate the inside of the printer or its surroundings by preparing the container to receive the leaked ink or the like B When removing the Ink Supply Tank Tube Assy w Valve Assy some ink will spill from both ends of the tube
74. lockwise for four seconds and performs a load measurement 10 Low temperature operation sequence 10 1 The PF Motor rotates clockwise and releases the CR lock 10 2 The carriage moves back and forth between CR lock and the 80 digit side for two times Appendix Table 4 1 Operation of the power on sequence Operation 11 Setting the APG to PG 11 1 The carriage slowly moves to the Right Frame and stops there 11 2 The PF Motor rotates clockwise and sets to PG 1 1 3 The carriage slowly returns to its home position 12 CR measurement and PW Sensor initialization 12 1 The carriage slowly moves to the 80 digit side 12 2 The carriage performs a load measurement while moving to the VHCheck position and records the detected voltage of the PW Sensor at the specified three positions then stops 12 3 The carriage detects the voltage of the PW Sensor at the carriage stop position the black area at the Paper Guide Front 12 4 The carriage performs a load measurement while moving to the 0 digit side and stops 12 5 The carriage performs a load measurement while moving to the VHCheck position and records the detected voltage of the PW Sensor at the specified three positions then stops 12 6 The carriage detects the voltage of the PW Sensor at the carriage stop position the black area at the Paper Guide Front 12 7 The carriage performs a load measurement while moving to the 0 digit side and stops 13 Dete
75. n Board Lower Side Lower Shield Plate M B Fi EESSITCUS Lower Shield Plate os 3 e M B 2 etl l l Wil y a w few an x Upper Shield Plate F n c M B 0 eee E i m ww lUum 1 5 m es wiry S y Dm HE tt 11 When assembling or disassembling the Upper Shield Plate M B be careful of its sharp edges 2 Remove the seven screws and remove the Upper Shield Plate M B e Screw Q 6 pcs C B S M3x6 tightening torque 5 7 kgf cm e Screw OC 1 pc C P M3x6 tightening torque 4 6 kgf cm The numbers shown in the figure indicate the order of tightening the screws 4 OR H H i Ir TYTHEEEEEEHITTI meee Bias dbbdddhdad zw e UM tor cont TINH AERLE RIE LE Z Ar deu Screw Receiving Part bhparisbapdiitistid e lt Screw Receiving Part Figure 1 27 Removing the Upper Shield Plate M B Figure 1 28 Removing the Main Board When installing the Main Board match the positioning hole with the guide pin shown in Fig 1 28 Tighten the screws in the order given in Fig 1 27 p 29 Fig 1 28 Disassembly Reassembly Main Board Unit 29 Confidential L800 L801 Revision A 1 4 2 Panel Assy Cover Open Sensor When removing the screw 2 shown in Fig 1 30 be careful not to O Removal procedure damage the Cover Open Sensor Cable and CDR Sensor Cable B Panel Assy removal 1 Disconnect the Panel FFC from the conne
76. ndling of the Printhead Figure 1 50 Homo the Holder Contact 1 Printhead 38 Disassembly Reassembly Confidential L800 L801 Revision A 7 Remove the three screws and remove the Printhead e Screw O C B P M2 6x8 tightening torque 3 5 kgf cm The numbers shown in the figure indicate the order of tightening the screws Tighten the screws in the order given in Fig 1 53 PoS ame Whenever the Printhead is removed replaced the required REQUIRED adjustments must be carried out e Refer to 2 1 2 Required Adjustments p 74 f ARIA un OMA ate qw gt s mE DW EVS MED lee ARR LLLI EN Llc 4 Wem QM BEBE iU i e c T ON A gt E i n Wf EN vw fa Y Y E p 1 li j f I j ia LY Pe D s AY PAN J i S e s AA ee ee W B NN Ce T Te _ ee er Roe e Fe sh 1 e i n L J gt L LE Af L de S TCR A tu Sti eomm i i i V his gt DEN S wy M Me itt Tun MM y y A ot M Printhead 8 Remove the two Head FFCs from the connectors on the back and remove the Printhead Connectors Figure 1 54 Removing the Printhead 2 Disassembly Reassembly Printhead 39 Confidential L800 L801 VAYN 1 5 3 CR Scale Install the CR Scale with its cut corner facing upward Hitch one end of the Torsion Spring to the hole of the CR Scale from the back side of the CR Scale During the disassembly reassembly of the Printer
77. ns indicated with O two pairs in Fig 1 67 Left Guide Right Guide Stacker Stacker Be careful of the seven sharp edges shown in Fig 1 66 when assembling or reassembling B Left Right Guide Stacker Removal 1 Remove the screw and remove the Left Guide Stacker e Screw Q C B P M3x8 tightening torque 5 7 kgf cm 2 Remove the screw and remove the Right Guide Stacker e Screw CO C B P M3x8 tightening torque 5 7 kgf cm Figure 1 67 Installing the Left Right Guide Stacker B CDR Guide Sensor Removal 1 Disengage the two hooks on the back of the CDR Guide Sensor and remove the CDR Guide Sensor Right Guide Stacker Back Side e Sharp edge Right Guide Stacker Figure 1 66 Removing the Left Right Guide Stacker CDR Guide Sensor Figure 1 68 Removing the CDR Guide Sensor Disassembly Reassembly Left amp Right Guide Stackers CDR Guide Sensor Confidential L800 L801 1 5 8 Ink System B Take extra care not to spill ink and contaminate the surroundings Also when removing the Waste Ink Tube be careful not to spill the ink Extra care must be taken to avoid injury from sharp edges of the rib of the Main Frame Be careful not to drop and damage the shaft of the Carriage Lock and the Torsion Spring as they easily come off Torsion Spring Pump Section Pp JE E M a o Figure 1 69 Ink System Removal procedure See the section given below on how to unlock the carriage
78. nstalling the Adapter Cover to the CR Unit move the CR Unit from side to side while holding the Timing Belt to make sure that the Ink Supply Tube Assy does not apply extra load of the CR Unit movement Disassembly Reassembly Adapter Cover Confidential Confidential L800 L801 AVR 2 1 Adjustment Items and Overview B For information on how to carry out the adjustments and media required for the adjustments see the instructions displayed by the Adjustment Program Some pictures in this manual are for Epson Stylus Photo R280 This chapter describes adjustments necessary after the disassembly reassembly of the printer R285 R290 therefore the shapes of the parts are different 2 1 1 Servicing Adjustment Item List from those of L800 L801 but the differences does not affect the adjustment procedures The adjustment items of this product are as follows Table 2 1 Adjustment Items Method Outline Tool Thickness Gauge 1 15 mm 1 3 mm Adjustment Item Purpose Install the Head Nozzle surface parallel to the printing surface and set Mechanical adjustment using the thickness gauges Make a proper the gap between the paper and the Head Nozzle surface to the specified adjustment according to the result whether the manually moved value carriage printhead runs over or hits against the gauges placed on the platen PG adjustment When the main board needs to be replaced use this
79. on 9 If paper remains in the printer the PF Roller rotates by steps enough to eject the paper forcibly Appendix I CAWKY LO 4 2 Standard Operation Time for servicing the product The following are the standard operation time for servicing the product Those are based on the MTTR result measured using a prototype The underlined parts units are supplied as After Service Parts Table 4 2 Standard Operation Time Time second Parts Unit meen OO TD mew 5 Replacement Adjustment Total Housing Upper Assy Housing Right Decoration Belt Right Housing Upper Main Board Unit Upper Shield Plate M B Shield Plate M B Sub Read OK Main Board Read NG 99 Confidential L800 L801 I CAWAY 0 I Table 4 2 Standard Operation Time Table 4 2 Standard Operation Time Time second Time second Parts Unit Parts Unit Replacement Adjustment Total Replacement Adjustment Total Driven Pulley Holder a o 1178 CR Mato is PE Motor Us 2 Porous Pad Paper Guide Front wo 0 1260 242 Ink System Assy ms 0 1255 244 Extension Spring 0 8 psf 1315 3 i 2 2 226 APG Unit 42 Spur Gear 28 8 Compression Spring 2 25 44 Spur Gear 12 8 42 Spur Gear 33 6 Compression Spring 0 97 Combination Gear 12 8 27 5 CR Lock o E Compression Spring 0 98 1259 a
80. or grease other than those specified in this manual Use of different types of oil or grease may damage the component Apply before installing the Driven and adversely affect the printer operation Pulley Observe the specified amount Never apply excess lt Remarks gt Apply with Injector Table 3 1 Specified Lubricant Type Name EPSON code Supplier lt Lubrication Points gt mE Two points on the side of the Pulley Refer to the following figures for the lubrication points lype Application Amount gt x 1 mm x 2 points Figure 3 2 Lubrication of Driven Pulley 2 LUBRICATION OF DRIVEN PULLEY lt Lubrication Points gt Four points where contact with the Main Driven Pulley Holder Fanie lt Type gt G 71 lt Application Timing gt Apply after installing the Driven Pulley lt Remarks gt Apply with Injector lt Application Amount gt Figure 3 3 Lubrication of Driven Pulley 3 x 4mm x 4 points lt Application Timing gt Apply before installing the Driven Pulley lt Remarks gt Application Point Apply with Injector Figure 3 1 Lubrication of Driven Pulley 1 Maintenance Overview 90 Confidential L800 L801 Revision A LUBRICATION OF FRONT PAPER GUIDE ASSY LUBRICATION OF EJ FRAME ASSY lt Lubrication Points gt lt Lubrication Points gt PF Roller Shaft EJ Roller Shaft and EJ Frame Assy Busing Bushing 3 points Left Right back side EE lt Type gt EJ Frame Assy
81. our sharp edges shown in the figure below when assembling or reassembling B Printer Mechanism Handling Precaution When lifting the printer hold L parts shown in the figure below to prevent the frame from deforming 1 Do not tilt more than 15 EY degrees or drag it while tilting o Figure 1 42 Printer Mechanism Handling Precaution 2 When removing the Waste Ink Tube take care not to contaminate the printer and surroundings with ink Extra care must be exercised not to scratch or damage the Waste Ink Tube 1 Pull out the Waste Ink Tube by hand Sharp Edge Figure 1 41 Printer Mechanism Handling Precaution 1 Waste Ink Tube Figure 1 43 Removing the Waste Ink Tube Disassembly Reassembly Removing the Printer Mechanism Confidential L800 L801 VAYN 2 Release the Waste Ink Tube from the groove of the Waste Ink Tray 5 Remove the five screws and remove the Printer Mechanism 3 Release the CR Motor Cable from the two ribs of the Waste Ink Tray Screw C B P P2 M3x8 tightening torque 5 7 kgf cm The numbers shown in the figure indicate the order of tightening the screws z 4 4 a 1CR Motor Cable Waste Ink Tube i Waste Ink Tray ADR Figure 1 44 Removing the Printer Mechanism 1 4 Disconnect the connector of the CDR Guide Sensor Figure 1 46 Removing the Printer Mechanism 3 Figure 1 45 Removing the Printer Mechanism a Disassembl
82. over and remove the Printer Cover Paper Support Assy Shaft left Shaft right wr Figure 1 16 Removing the Paper Support Assy When reinstalling the Paper Support Assy match the projection and hole of the Edge Guide then attach the right shaft and the left shaft in that order Put the shafts at the front side in the bushing and then push them rearward After reinstalling check that the Paper Support Assy moves smoothly w Figure 1 15 Removing the Printer Cover Paper Support Assy Mounting Direction from front side to rear side Figure 1 17 Reinstalling the Paper Support Assy Disassembly Reassembly Printer Cover 24 Confidential L800 L801 Revision A 1 3 3 Stacker Assy Stacker Cover 1 3 4 Housing Upper Assy O Removal procedure O Removal procedure I Open the Stacker Cover 1 Remove the four screws and remove the Upper Housing upward 2 Remove the Stacker Assy e Screw C C B P M3x10 tightening torque 5 7 kgf cm 3 Release the Stacker Cover from the two shafts and remove the Stacker Cover The numbers shown in the figure indicate the order of tightening the screws Rear Side Stacker Assy Stacker Cover Figure 1 18 Removing the Stacker Assy Stacker Cover When installing the Stacker Assy insert the guide pins of the Stacker Assy into the lower grooves of the Guide Stacker Assy The upper grooves are used when CDR is printed B 7 Groove F
83. ower replacement nk Supply Tube Assy replacement Maintenance counter reset No Paper error Occurrence Condition This error occurs when top of paper is not detected by PE Sensor in the specified steps of paper loading operation correctly No paper No loading large paper skew Major Occurrence Timing e Paper loading timing Major Troubleshooting Putpapers in paper support and push the Paper button 2 Ifa paper stops before reaching PE Sensor remove it and check the paper condition A If no damage in the above 2 set edge guide correctly after putting papers in paper support and retry B If damage in the above 2 check foreign materials parts come off parts transformation in paper path If not resolved by 3 A amp 3 B check foreign material part come off surface condition of LD Roller and Retard Roller PE Sensor PE Sensor Lever Main Board PF Motor Change Lever Troubleshooting Workflow Ink End error Occurrence Condition This error occurs when ink in Ink Supply Tank s is are empty Occurrence Condition This error occurs when a paper business card size remains stuck inside the printer because it is not Major Occurrence Timing inserted vertically Power on timing Print start timing Major Occurrence Timing Cleaning timing Power on timing Print timing e Prnt timing Troubleshooting Troubleshooting Refill the ink
84. pe off the paper dust with a soft cloth moistened with diluted alcohol O Instructions for cleaning ink stains Wipe the stains off with a cloth wrung out of diluted alcohol Do not use alcohol for cleaning the transparent parts Doing so may cause them to get cloudy When wiping paper dust off the LD roller be careful not to rub against the surface asperity To minimize the effect on the parts use diluted alcohol such as 70 diluted ether After using alcohol for cleaning make sure to wipe the part off with a soft dry dust free cloth to remove alcohol traces fully Maintenance 3 1 2 Service Maintenance If any abnormal print dot missing white line etc has occurred or the printer indicates the Maintenance request error take the following actions to clear the error This error is displayed in EPSON Status Monitor 3 and with LED 3 1 2 1 Printhead cleaning When dot missing or banding appears on images run the Printhead cleaning cycle The cleaning be activated from the control panel the printer driver utility or the Adjustment program Note This printer has three manual cleaning modes The appropriate cleaning mode is automatically selected and performed according to various conditions The ink consumption amount for manual cleaning varies depending on the mode 3 1 2 2 Maintenance request error Ink is consumed also for cleaning and flashing operations When the ink is used for cleaning and flashing op
85. pply Tank Assy Air release hole Air Release Hole Cap Air Release Hole Cap Figure 1 7 Attaching the Air Release Hole Caps O Securing each parts Secure the following parts with strong tape width 22 mm B Securing the CR Unit 1 Confirm that the CR Unit is locked in the home position 2 Attach the unfolded end of strong tape fold the other end back 10 mm on the bottom left of the Adapter Cover 3 Pull the tape to the right side of the housing and attach it tightly EX Figure 1 8 Securing the CR Unit Disassembly Reassembly Overview B Securing the Ink Tank e Secure both sides of the Top Cover with strong tape x2 e Align the unfolded end of strong tape x5 with the edge of the Housing Upper and attach the tape along the shape of the Housing Upper Ink Supply Tank Assy through the openings between the Air Release Hole Caps Air Release Hole Cap Ink Supply Tank Assy M a 4 ut ae wT a Strong tape 80 mm x 22 mm Strong tape 60 mm x 22 mm _ Fold over the tape edge by 10 mm Strong tape 60 mm x 22 mm Figure 1 9 Securing the Ink Supply Tank Assy 14 Confidential L800 L801 VAYN O Points to be checked before packing the printer 1 1 4 Making a Special Tool for Holder Contact The Holder Contact refer to p 38 can be easily removed by using a special B The Valve L i th iti B Allth f the Ink Supply Tank i ee cca ee tool The method for making the tool is
86. r for the Right PG Cam to the CR Shaft make sure to attach them to the T j positioning slits on the CR Shaft See Fig 1 91 p 52 Figure 1 93 Removing the CR Unit 4 When installing the Timing Belt make sure that it is not twisted and the lumpy side comes to the inner side 8 Remove the Timing Belt from the CR Unit Lumpy side Inner side Wer Flat side Outer side Figure 1 96 Reinstalling the Timing Belt Figure 1 94 Removing the CR Unit 5 B When installing the CR Unit hook the Guide part to the Main Frame 9 Disconnect the FFC from the CR Encoder connector pull out the FFC from the slit of the CR Unit and remove the Head FFC Head FFC Figure 1 97 Reinstalling th PU aiu Whenever the CR Unit is removed or replaced the required g eM REARED adjustments must be carried out Figure 1 95 Removing the CR Unit 6 e Refer to 2 1 2 Required Adjustments p 74 Disassembly Reassembly CR Unit 53 Confidential L800 L801 Revision A 1 5 14 ASF Unit 4 Remove the Torsion Spring 137 7 from the LD Roller Guide Torsion Spring Removal procedure B Removing the LD Roller Guide 1 Move the CR Unit to the left the opposite side to the home position 2 Remove the screw that secures the LD Roller Guide e Screw CBS P4 M3x6 tightening torque 7 9 kgf cm L4 PM e jJ LD Roller Guide d T When performing the following steps be careful not to damage t
87. s And when multiple adjustments must be carried out be sure to carry out them in the order given in the Priority row Table 2 4 Adjustment Items Priority Adjustridyadtamnt Item Initial setting Ink charge Disenable PF deterioration offset PG adjustment EEPROM data copy Head ID input Bi D adjustment PW adjustment PF adjustment BRS adjustment PFP adjustment CR motor heat protection control Part Name Initialize PF deterioration offset Top margin adjustment Head angular adjustment First dot position adjustment ASF Unit CR Motor Upper Paper Guide Printhead Main Board Read OK mi B O Ink Pads must be replaced P S Assy Adjustment Adjustment Items and Overview 74 Confidential L800 L801 Revision A Table 2 4 Adjustment Items Priority Adjustridyadtamnt Item Initial setting Head ID input Disenable PF deterioration offset Bi D adjustment PW adjustment PF adjustment BRS adjustment PFP adjustment CR motor heat protection control Part Name Maintenance counter Ink charge Initialize PF deterioration offset Top margin adjustment Pa T 5 5 ez 2 ge HEN d ce m 2s Head angular adjustment First dot position adjustment Front Paper Guide Assy RENE OE ee ee eee oa Sa aa pews Of eee pene ES een a eee ee ee ee PF Mot B femme ff at po ee ee eS ee ASERNE Waste Ink Tray Replace B DUREE Ink EE Remove CAC
88. s e Push the Paper button to eject a paper Ifthe error occurs again after performing above check foreign material PE Sensor PE Sensor Lever PW Sensor 3 Double Feed error CD R Tray error Occurrence Condition Occurrence Condition This error occurs on the following This error occurs when CD R case Tray is not detected A paper is ejected without i printing during paper loading Major Occurrence Timing operation CD R Tray loading timing Actual paper length is longer than theoretical one Troubleshooting 1 Set the CD R Tray with a medium correctly and then Major Occurrence Timing push the Paper button to load Paper loading timing Paper feed timing the tray Paper eject timing e Success Starts the CD R Tray loading Troubleshooting operation again if printer has PESensor Lever replacement print job PE Sensor replacement Fail PW Sensor replacement CD R Tray error occurs Main Board replacement again 2 If fail in the above 1 check CD R Tray CD R Tray Sensor PW Sensor Main Board Card error CD R Guide error Please refer to CD R Guide error of Error occurs in printing operation CD R Guide error Occurrence Condition This error occurs on the following case The CD R guide stacker is in the CD R printing position at power ON The CD R guide stacker position does not match with the print job Major Oc
89. s in order to prevent the contact with your skin wash it off with soap and water immediately If you printhead from drying out have a skin irritation consult a doctor immediately 17 Make sure to install antivirus software in the computers used for the When disassembling or assembling this product make sure to wear gloves service support activities t id injuries fi tal parts with sh dges l a dM QE ct ee Cee Peat ope eA NE E 18 Keep the virus pattern file of antivirus software up to date Use only recommended tools for disassembling assembling or adjusting the printer 10 Observe the specified torque when tightening screws Confidential About This Manual This manual consists of the following chapters is intended for repair service personnel and includes information necessary for properly performing maintenance and servicing the product Manual Configuration CHAPTER I DISASSEMBLY REASSEMBLY Describes the disassembly reassembly procedures for main parts units of the product and provides the standard operation time for servicing the product CHAPTER 2 ADJUSTMENT Describes the required adjustments for servicing the product CHAPTER 3 MAINTENANCE Describes maintenance items and procedures for servicing the product CHAPTER 4 APPENDIX Provides the following additional information for reference e Power On Sequence e Standard Operation Time for servicing the product e Troubleshooting Symbols Used in th
90. s printed Examine the lines printed near moving direction is corrected by software the left edge of the printout and enter the value for the line that is exactly 5 mm away from the left edge First dot position Ruler adjustment This adjustment is made to correct the mounting position of the PW A PW adjustment pattern is printed Examine the printout patterns and PW adjustment Sensor on a software basis to adjust the detection position and Nozzle enter the value for the line that is exactly 5mm away from the paper position dispersion edge for each of the left right top and bottom Corrects variations in paper feed accuracy when using the Microweave A PF adjustment pattern is printed Examine the printout patterns and Adjustment Program to achieve higher print quality select the value for the best pattern The correction value is registered This adjustment is made to ensure high print quality at high print speed Print the adjustment pattern to be scanned by a specified scanner Specified Scanner According to the scanned result a correction value is automatically PFP base scale calculated and stored into the serial flash ROM on the main board PF adjustment BRS PFP adjustment The correction value is applied when printing in the corresponding mode For some scanners two PFP base scales are required See 2 3 Banding Reduction System BRS Adjustment Paper Feed Amount Profile PFP Correction p 3
91. s the CR lock 5 9 The carriage moves to the 80 digit side slowly and confirms it does not touch the CR lock 5 10 The carriage slowly moves to its original position and home position is fixed Afterward the carriage position is monitored according to the signals from the CR Encoder 6 Resetting APG 6 1 The carriage slowly moves to the Right Frame and stops there Continue to the next page 97 Confidential L800 L801 I CAWKY LO Table 4 1 Operation of the power on sequence PG Operation Carriage PF roller movement and position 6 2 The PF Motor rotates clockwise while monitoring the PG Sensor Any position 6 3 After the PG Sensor switched from Off to On the PF Motor rotates clockwise by the specified step J until it detects the PG APG home position 6 4 After detecting the APG home position the carriage slightly moves to the 80 digit side 6 5 After the PF Motor rotates counterclockwise it rotates clockwise to confirm the PG Sensor is set to On state 6 6 The carriage slowly returns to its home position 7 Setting the APG to PG 7 1 The carriage slowly moves to the Right Frame and stops there 7 2 The PF Motor rotates clockwise and sets to PG 7 3 The carriage slowly returns to its home position 8 PF initialization 8 1 Checks if paper exists by the PE Sensor and the PF Motor rotates clockwise for one second 9 PF Motor measurement 9 1 The PF Motor rotates c
92. sassembly Reassembly Front Paper Guide Assy 58 Confidential L800 L801 I CAYAY LU B When installing the Front Paper Guide Assy pull out the CDR Tray Sensor cable as shown below CDR Tray Sensor Cable N Ty Left Front Bottom Side Pull out the cable from here Figure 1 112 Routing the CDR Tray Sensor Cable B Attach the long foot of the EJ Ground Spring as follows 1 put it through the gap under the portion contacts with the EJ Roller 2 let it contact with the Main Frame 3 let it contact with the PF Roller shaft 4 put it through the hole on the frame When finished make sure the spring properly contacts with 1 2 3 and 4 points Contacts with PF Roller Shaft Long foot of EJ Ground Spring Y ZEE Contacts with EJ Roller shaft S i NY gt a I Contacts with Main Frame E AT Figure 1 113 Attaching the EJ Ground Spring B Be careful not to deform the EJ Ground Spring B Place the four tips of the Front Paper Guide Pad on the Waste Ink Pad RS Bo ttom Side Tip of Front Paper Guide Pad Figure 1 114 Installing Front Paper Guide Pad B When installing Parallelism Bushing L match the positioning hole with the guide pin shown in Fig 1 108 p 57 VU am Whenever the Front Paper Guide Assy is removed or replaced the EE required adjustments must be carried out e Refer to 2 1 2 Required Adjustments p 74 Disassembly Reassembly
93. se the carriage to a position where the Printhead does not come in contact with gauge Right side 9 Move the carriage to the middle area of the platen and place 1 3 mm thickness gauges at the left and right ends of the platen 10 Pull the Timing Belt to move the carriage to the left end 11 Ifthe carriage does not come in contact with the gauge make the adjustment again 12 Pull the Timing Belt to move the carriage to the right end 13 Ifthe carriage does not come in contact with the gauge make the adjustment again 14 Mark the indicated graduation position of the right and left Parallelism Bush and tighten the screws Screw tightening torque 0 8 0 1 Nem Figure 2 10 PG Adjustment 2 Adjustment Using the Adjustment Program 82 Confidential L800 L801 AVR I 2 3 Banding Reduction System BRS Adjustment L1 Specified Scanner to perform the adjustment Paper Feed Amount Profile PFP Correction Install the driver of the scanner to the PC in advance As the profile required for the adjustment is not prepared for 2 3 1 Overview scanners other than the ones specified below BRS PFP Adjustment can not be carried out by the other scanners This section explains how to carry out BRS PFP adjustments Be sure to have a specified scanner ready beforehand as it is The following are the scanners that can be used for scanning the pattern in necessary to carry out the adjustment Before scanning confirm BRS PFP adjus
94. t 2 Put the pin through the positioning holes of the Spur gear 28 8 and the APG Unit 2 Remove the Combination Gear 10 15 2 z r Y yj 4 4 J VN v j y e Ja PAM S EM RS Uu 2 t L hs i T oy Y i LE Front Positioning Hole of Spur Gear 28 8 Back Positioning Hole of APG Unit Figure 1 58 Removing the Combination Gear 10 15 2 f Figure 1 60 Reinstalling the APG Unit 2 Disassembly Reassembly APG Unit 4 Confidential L800 L801 Revision A 3 Install the APG Unit to the Main Frame 1 5 5 Waste Ink Tray p di m cc Ll Removal procedure When removing the Waste Ink Tray take extra care not to spill ink and contaminate the printer and surroundings 1 Remove the two screws disengage the hook and remove the Waste Ink Tray e Screw C B P M3x10 tightening torque 5 7 kgf cm u Waste Ink Tray Figure 1 61 Reinstalling the APG Unit 3 4 Check that the hooks _ are attached to the positioning holes of the Main Frame then screw the APG Unit Main Frame Figure 1 63 Removing the Waste Ink Tray ADJUSTMENT REQUIRED Whenever the Waste Ink Tray is replaced the required adjustments must be carried out e Refer to 2 1 2 Required Adjustments p 74 ew i b Figure 1 62 Reinstalling the APG Unit 4 B Tighten the screws in the order given in Fig 1 57 p 41 Disassembly Reassembly Waste Ink Tray 42 Confidential
95. t Panel Shield Plate Back Side Front side ee ay Paper Button f T pana FFC D p Double sided Tape Figure 1 35 Removing the Panel Board Buttons 2 Figure 1 37 Removing the Panel Board Buttons 4 Disassembly Reassembly Panel Assy Cover Open Sensor Confidential L800 L801 Disassembly Reassembly When installing the Panel Unit be careful of the following B When installing the Panel Shield Plate to the Open Sensor L Holder match the hook and guide pins with the positioning holes shown in Fig 1 38 and insert the Panel Shield Plate into the groove of the Open Sensor Holder to secure the Panel Shield Plate 3 Upper Side Panel Shield Plate a jg kE Guide Pin and TT Hole Hook and Positioning Hole O Groove Open Sensor Holder ai p Figure 1 38 Installing the Panel Unit Attach the Panel FFC with double sided tape along with the reference line shown in Fig 1 35 p 32 When installing the Panel Board match the guide pin with the positioning hole shown in Fig 1 36 Install the PS button Ink button and Paper button as shown in Fig 1 37 I CAYAY LU Cover Open Sensor Removal Remove the Panel Assy p 30 From the back of the Open Sensor Holder disengage the hook of the Cover Open Sensor and remove the Cover Open Sensor pulling its rib out of the hole by rotating the sensor in the direction of the arrow Disconnect the connector from
96. t Tube oe il 1 5 16 APG Sensor Assy p57 p 21 Disassembly Reassembly I CAWKY LO Tube Holder There are four Tube Holders installed in this printer Depending on the target parts or units the number of Tube Holders you should remove differs B When removing the Printer Mechanism Adapter Cover m Ink Supply Tank Tube Assy 5 p 64 Ca p 69 Ink Supply Tube Assy W Clamp Top Cover Right Cover Left Cover PF Scale 1 5 10 PF Encoder PF Scale p49 Disassembling Reassembling Flowchart B When removing the Ink Supply Tank Assy The Tube Holder on the home position side on the Cover Case All Tube Holders Adapter Cover Tube Guide Sheet Tube Guide Sheet Sub Symbol Screw type Torque 20 Confidential L800 L801 I CAWAY 0 ae P 21 Cover Case 1 5 12 CR Motor p50 Extension Spring PF Encoder Porous Pad 2 PF Scale Paper Guide p Front PF Motor Printer Mechanism p 21 Driven Pulley Driven Eulley Driven Pulley Holder Housing Lower ASSy 1 5 7 Left amp Right Guide Stackers CDR Guide Sensor Waste Ink Pad P S Assy Waste Ink Tray p44 Cap Lower Stacker Assy Waste Ink Pad Lower Waste Ink Pad Cap Guide Stacker Guide Stacker P S Assy Left Right Assy n CDR Guide E rn pn Hn HH Screw type torque list Screw type Torque
97. te Paper Heavyweight on the paper support Select BRS Adjustment in the adjustment program Click the Print button on the 1 Print Test Pattern column to print the adjustment pattern Let the printed pattern dry for more than 5 minutes if using CIS sensor type scanner 4 Printer Identification Code Figure 2 13 BRS Test Pattern B In the Adjustment program the identification code is used to distinguish whether the printer that printed the pattern and the printer to register the adjustment value is the same Make sure to let the printed pattern dry for more than 5 minutes if using CIS sensor type scanner When using CCD sensor type scanner the printed pattern does not need to be dried before scanning Refer to Table 2 7 Specified Scanner for BRS PFP Adjustment p 83 EAYN O Scanning the BRS Adjustment Pattern 5 PFP Base Scale Set the printed pattern and the PFP Base Scale on the document table and click the Scan button on the 3 Scan Test Pattern column According to the scanned result BRS calibration values are automatically calculated and are written to the serial flash ROM If an error occurs check that the document table glass and the scale is clean and the scale adjustment pattern is not tilted then repeat from step 5 Be careful of the following when setting the PFP Base Scale and the adjustment pattern on the scanner B Place the scale on the document glass aligning th
98. the Cover Open Sensor to remove the Cover Open Sensor Cover Open Sensor Figure 1 39 Removing the Cover Open Sensor When installing the Cover Open Sensor insert the rib shown in Fig 1 39 into the hole of the Open Sensor Holder and secure the Cover Open Sensor with the hook Panel Assy Cover Open Sensor Confidential L800 L801 Revision A 1 4 3 P S Assy Removal procedure 1 Peel off the acetate tape and remove the ferrite core from the groove of the Housing Lower 2 Remove the screw that secures the P S Assy and remove the P S Assy from the Housing Lower e Screw C B P M3x10 tightening torque 5 7 kgf cm PIS A Acetate Tape Figure 1 40 Removing the P S Assy When installing the P S Assy put the ferrite core into the groove of the Housing Lower and secure it with acetate tape as shown in Fig 1 40 NUS zu Whenever the P S Assy is replaced the required adjustment must be REQUIRED carried out e Refer to 2 1 2 Required Adjustments p 74 Disassembly Reassembly P S Assy 34 Confidential L800 L801 VAYN 1 5 Disassembling the Printer Mechanism Do not touch the PF Scale with bare hands or damage it If the Printer Mechanism is tilted leftward about 15 the PF Scale hits against the desk surface and can break After Removal procedure removing the Printer Mechanism take extra care to protect the PF Scale 1 5 1 Removing the Printer Mechanism B Be careful of the f
99. ting the Ink Supply Tank Tubes align them with their red lines facing the Tube Follow the procedure below when removing the Valve Lever Valve Holder Front without any twist 1 Remove the Ink Supply Tank Assy from the printer Follow the procedure below when installing the Tube Valve Holder Rear 2 Insert a flathead precision screwdriver or the like into the gap between the Right 1 Insert the ribs x2 of the Tube Valve Holder Rear under the hooks x2 of the Valve Cover and the Tube Valve Holder Rear to release the hook of the Valve Lever and Case then remove the Valve Lever 2 Align the dowels x4 ofthe Tube Valve Holder Rear with the positioning holes x2 of the Ink Supply Tank and the positioning holes x2 ofthe Tube Valve Holder Front 3 Make sure no Ink Supply Tank Tubes are caught then secure it with the screws x3 in the order shown in the above figure Disassembly Reassembly Tube Valve Holder Front Rear Confidential L800 L801 Revision A 1 6 5 Bottom Cover Left Cover Right Cover Cover Joint Left Cover Ink Supply Tank Assy Right Cover Bottom Cover O C B P 3X6 3 5kgf cm C Be careful about how to place the Ink Supply Tank Assy in order to prevent printing failure from occurring See How to place the Ink Tank Assy when disassembling reassembling p 10 B The figures above indicate the hooks and ribs that secure the parts B Remove the exterior parts of the Ink Supply T
100. tment When starting up the adjustment program select the that the document table is free from any dirt or stain scanner to use Table 2 7 Specified Scanner for BRS PFP Adjustment O Tools and paper required to perform the adjustment Table 2 6 Tools and Paper for BRS PFP Adjustment Model Name Remarks Epson Perfection 4990 Photo Epson Perfection V700 Photo Epson Stylus Photo PX650 TX650 Artisan 800 Epson Stylus Photo PX800FW TX800FW Artisan 700 Epson Stylus Photo PX700W TX700W Tools Paper Product Code Common PFP Base scale 1453980 Use the internal scanner Matte Paper Heavyweight A4 Use the internal scanner Premium Glossy Photo Paper 4 x 6 Use the internal scanner Note When using the following scanners for PFP adjustment two PFP Base scales are Artisan 810 Epson Stylus Photo PX810FW TX8 10FW Use the internal scanner required because they should be set on the origin side and also on right side of the PFP Artisan 710 Epson Stylus Photo PX710W TX710W Use the internal scanner Adjustment Pattern For the details on their setting positions and such see 2 3 2 Adjustment Procedure p 85 Epson Stylus Photo RX680 RX685 RX690 Use the internal scanner e e Artisan 810 Epson Stylus Photo PXSIOFW TX810FW Epson Stylus Photo RX560 RX580 RX590 Use the internal scanner e Artisan 710 Epson Stylus Photo PX710W TX710W e Artisan 835 Epson Stylus Photo PX820FWD TX820FWD Epson Stylus Photo PX660 Use the int
101. to check if the all adjustments have been The all adjustment patterns are printed automatically Adjustment Program properly made print US Letter size EEPROM dump Use this to readout the EEPROM data for analysis The all EEPROM data is automatically readout and stored as a file Adjustment Program Adjustment Adjustment Items and Overview 72 Confidential L800 L801 AVR Table 2 3 Additional Functions Additional Functions Purpose Method Outline Printer information Manual CL counter Use this to readout information on the printer The printer information is automatically readout Adjustment Program ene I C change CL counter OPERONS Timer CL counter Total print path counter Total print page counter CD R print counter Ist TI received time Latest fatal error code ROM version Ink bottle counter Adjustment Adjustment Items and Overview 73 Confidential L800 L801 Revision A 2 1 2 Required Adjustments The table below lists the required adjustments depending upon the parts being repaired or replaced Find the part s you removed or replaced and check which adjustment s must be carried out Note lt Meaning of the marks in the table gt O indicates that the adjustment must be carried out O indicates that the adjustment is recommended indicates that the adjustment is not required If you have removed or replaced multiple parts make sure to check the required adjustments for the all part
102. to copy adjustment Readout the EEPROM data from the main board before removing it Adjustment Program values stored on the old main board to the new board If this copy is Then replace the board with a new one and load the EEPROM data to completed successfully all the other adjustments required after the new board replacing the main board are no longer be necessary EEPROM data copy This must be carried out after replacing the main board to apply Select the target market The selected market settings are automatically Adjustment Program settings for the target market When this function is performed the written to the main board upper limit value of the ink tube counter is automatically set With this When writing the serial number enter and re enter for confirmation function the serial number written on the main board can be checked the printer serial number then press the input button and also writing the serial number to the main board can be performed when replacing the board Initial setting This must be carried out after replacing the printhead in order to enter Enter the ID printed on the Head QR code label attached on the Adjustment Program Head ID input the new printhead ID Head ID that reduces variation between printhead The correction values are automatically written to the main printheads board Initialize PF deterioration Resets the counter to maintain paper feed accuracy which decreases
103. ubrication of the CR Guide Shaft 2 Figure 3 15 Lubrication of the APG Unit 1 Maintenance Overview 93 Confidential L800 L801 Revision A lt Lubrication Points gt LD Roller Shaft Curved surface Contact point between the LD Roller Shaft and the Hopper ASF Gear lt Lubrication Points gt Rim of the APG Unit Spur Gear 28 8 Around the rim of the Spur Gear 28 8 on lt Type gt CoQ E mr G 71 pues Application Amount 1x1 circle lt Application Timing gt Apply before installing the APG Unit lt Remarks gt Apply with Injector lt Remarks gt Apply with Injector O Rotate the LD Roller Shaft so that Application Point Application Point the Curved Flat surface face up then apply grease to the specified parts Figure 3 18 Lubrication of the LD Roller Shaft 1 Application Point Figure 3 16 Lubrication of the APG Unit 2 LUBRICATION OF ASF UNIT lt Lubrication Points gt LD Roller Shaft Flat surface Contact point between the LD Roller lt Lubrication Points gt Shaft and the Hopper ASF Gear Inner edge of the hole on the ASF Unit Hole for LD Roller on ASF Unit where the LD Roller Shaft is put through a lt Application Amount gt 1 o x 20mm x 2 points 2 5 x 10mm Application Timing Apply before installing the ASF Unit Application Timing 5 VY Remarks Apply before installing the LD Roller i e Apply with Injector Assy O Rotate the LD Roller Shaft so t
104. urface and the Paper Guide Front Assy platen properly and adjust the parallelism on the Oth column side and on the 80th columns side to ensure reliable print quality Once the Carriage Assy and or Adjustment Bushes have been removed or whenever necessary for any other reason make this adjustment to correct the deviation of the platen gap To ensure high accuracy of adjustment install the Adapters in the carriage and move the carriage right and left by pulling the belt without holding the carriage Make this adjustment after installing the Printer Mechanism and CISS section Install the Linear Scale after adjustment Refer to 1 2 2 Disassembly Flowchart p 16 With L800 L801 four stages of PG setting are available by means of the APG Mechanism However make this adjustment PG Size Sequence with the mechanism in the minimum PG position PG 1 2 Position mm selected from PG flag list for Application mm Refer to 1 5 4 APG Unit p 41 and below normal head rubbing Table 2 5 PG Positions Application for Printing Cleaning R PG EPSON special thick paper ae paren Key lt APG Home gt PGPP Postcards Matte etc u CR home position a y seek E Y PG typ Plain paper Mechanical EPSON special thin paper SF etc default Rubbing with PG1 2 is avoided Locating hole Envelopes Rubbing with PG1 2 and 1 7 is avoided CD R printing At ink replacement
105. ver Joint 63 1 6 6 Ink Supply Tank Assy sess nennen nennen nnn nnns 64 1 6 7 Ink Supply Tank Tube Assy ied oe ee 64 Ionen 65 IEEE Prag T 65 1 6 10 PF Scale Cover PF Scale Sheet cccccccccceessssssssssscssseeeeessceeeees 66 1 6 11 Tube Guide Sheet Tube Guide Sheet Sub eeueueess 66 F612 Ink Supply Dube Assy ddnde tester Rieti se ot tide celere ubi edes 67 IE 6 15 Adapter COVer bs le besote uto Fa tetti te asi bens 68 KEIJ aie MM RE 68 Chapter 2 Adjustment 2 1 Adjustment Items and Overview sd ees 70 2 1 1 Servicing Adjustment Item List eeeeesseeeeeeeeeeeeeenns 70 ZN Required Adjustments oen etate ett ies ntept uie s 74 2 2 Using the Adjustment PrOPEaln oio t erp ee RS Re es be pts p e e uns Ta 22 1 T p Margin Adjustment eco iom i oto E E Ups Rid TA 2 2 2 Head Angular Adjustment sess TI 22o BLD AGUS I seno Eur E SN 78 2 2 4 PW Adjustment First Dot Position Adjustment ueeesssss 79 2 2 5 PE AG US IMCs eee ER ee iet dam EUM E ses dui 80 22 0 PO AGUS DES 6s ire esce beoe coti ee ox esit Dod Ud ee ae 81 Confidential L800 L801 AVR 2 3 Banding Reduction System BRS Adjustment Paper Feed Amount Profile PFP CONE MOT a pcre eas uu AM bu ul D MCI d E dd 83 DEUN M OVENI E W NER ERREUR 83 2 5 2 Adjustment Procediti soar e elena alma 85 Chapter 3 Maintenance So uU VIVI dem SRM I a eA r
106. y Reassembly Removing the Printer Mechanism Confidential L800 L801 I CAWKY LO ADJUSTMENT REQUIRED Disassembly Reassembly When installing the Printer Mechanism be careful of the following B Wipe off any ink on the joint portion of the Waste Ink Tube before reconnecting the tube Ink on the joint portion makes the tube likely to get disconnected As shown in Fig 1 47 insert the Waste Ink Tube over the tube of the Waste Ink Tray until the top end of the Waste Ink Tube contacts with the rib Top end of Waste Ink Tube Waste Ink Tray Tube of Waste Ink Tray Waste Ink Tube Figure 1 47 Cautions of inserting the Waste Ink Tube Match the positioning holes with guide pins two pairs shown in Fig 1 46 p 36 Tighten the screws in the order given in Fig 1 46 p 36 Make sure the Waste Ink Tube or cables are not pinched between the Printer Mechanism and the Housing Lower Route the CDR Guide Sensor Cable through the opening as shown in Fig 1 45 Whenever the Printer Mechanism is replaced the required adjustments must be carried out e Refer to 2 1 2 Required Adjustments p 74 1 5 2 Printhead B When removing the Head FFC Cover and the Head FFC Cover Inner do not use tools with sharp ends as the FFC may get damaged Be careful not to damage the FFC and cables when disengaging the hook of the Holder Contact Removal procedure See the section given below on how to unlock the carriage e 1

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