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Removal and replacement procedures

1. zH i Ca e q z END Si i i q 4 Release one tab callout 1 and then remove the guide callout 2 X TIP Release the wire harnesses from the guide as you remove it Figure 48 Remove the right door assembly 3 of 6 Do y 10 enm Ta z7 s k 1N ye p DRAFT ENWW 5 Disconnect two connectors callout 1 Figure 49 Remove the right door assembly 4 of 6 5 Ba T Tl u ae 6 Remove one screw callout 1 and then release the link arm callout 2 Figure 50 Remove the right door assembly 5 of 6 ENWW Removal and replacement procedures 45 DRAFT 7 Remove two screws callout 1 remove the hinge callout 2 and then slide the right door assembly callout 3 to the left to remove it Figure 51 Remove the right door assembly 6 of 6 E of j ele i ii l ee ENWW 46 Removal and replacement DRAFT Main assemblies X TIP For clarity some photos in this chapter show components removed that would not be removed to service the product If necessary remove the components listed at the beginning of a procedure before proceeding to service the product Formatter case Betore proceeding remove the following components e Formatter PCA See Formatter PCA on page 22 e _ Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 Remove the formatter case 1 Remove two screws callout 1 Figure 52 Remove the formatter case assembly
2. 2 iiiliitii a Ss oe le Em Pate fo ay be n n m a Si cay Se oi ay a et Z ns a 22 Removal and replacement ENWW DRAFT 2 Loosen two thumb screws and then pull the formatter straight out and away from the product to remove if Figure 22 Remove the formatter 2 of 2 3 Firmly pull the formatter from the product Place the formatter on a clean flat grounded surface X Reinstallation tip Ifthe formatter PCA was replaced print a configuration page and make sure that the serial number and page count information were transfered to the formatter PCA If they were not use the Service menu to reset these values ENWW Removal and replacement procedures 23 DRAFT Encrypted hard drive or solid state hard drive Betore proceeding remove the following components e Formatter PCA See Formatter PCA on page 22 Identity the hard drive type Q Encrypted hard drive callout 1 QO Solid state hard drive callout 1 24 Removal and replacement ENWW DRAFT Remove the EIO encrypted hard drive 1 Disconnect two connectors callout 1 Figure 23 Remove the ElO encrypted hard drive 1 of 3 2 Release one tab callout 1 and then slightly separate the hard disk support arm from the PCA Figure 24 Remove the ElO encrypted hard drive 2 of 3 ENWW Removal and replacement procedures DRAFT 25 3 Rotate th
3. 1 x 500 rear cover Remove two screws callout 1 and then remove the rear cover callout 2 Figure 173 Remove the 1 x 500 rear cover ENWW Removal and replacement procedures 137 DRAFT 1 x 500 left cover 1 Take the cassette out of the feeder release one tab callout 1 and then remove the lever callout 2 Figure 174 Remove the 1 x 500 left cover 1 of 2 2 Remove one screw callout 1 release four tabs from the inside see the tip that follows this step and then remove the left cover callout 2 Figure 175 Remove the 1 x 500 left cover 2 of 2 138 Removal and replacement ENWW DRAFT X TIP The following figures show the tabs inside the cover oo de PAVA A ww ag bezir ah E 7 at a x SAN LR GE 1 ENWW Removal and replacement procedures 139 DRAFT 1 x 500 right front cover 1 Take the cassette out of the feeder and then open the right door 2 Remove one screw callout 1 and then remove the right front cover callout 2 Figure 176 Remove the 1 x 500 right tront cover 140 Removal and replacement ENWW DRAFT 1 x 500 front upper cover 1 Remove the cassette from the feeder and then remove the rightfront cover see 1 x 500 right front cover on page 140 2 Remove two screws callout 1 release two tabs callout 2 and then remove the front upper cover unit callout 3 Figure 177 Remove the 1 x 500 front upper cover ENWW Removal and replacement procedur
4. 1 of 2 eS i F i k A a a O O O 88 6 es h h O o eee as 6 ENWW Removal and replacement procedures 47 DRAFT 2 Remove nine screws callout 1 and then slide the formatter case unit callout 2 away from the DC controller to remove it Figure 53 Remove the formatter case assembly 2 of 2 TTT ENN fa UNL ie 48 Removal and replacement ENWW DRAFT Laser scanner assembly A CAUTION Do not replace the laser scanner and the formatter PCA at the same time The settings for the laser scanner are stored in the formatter RAM When you install a new laser scanner it reads the settings from the formatter Betore proceeding remove the following components e Tray 2 e Left cover See Left cover on page 32 Remove the laser scanner assembly 1 Open the front door 2 On the left side of the product pinch and remove the fan duct callout 1 and then disconnect the two flat cables callout 2 Figure 54 Remove the laser scanner assembly 1 of 4 ENWW Removal and replacement procedures 49 DRAFT 3 Release one tab callout 1 remove the stopper callout 2 and then disconnect one connector callout 3 Figure 55 Remove the laser scanner assembly 2 of 4 4 Release one tab callout 1 and then slide the cable guide callout 2 in the direction that the arrow indicates 5 Remove the cable guide callout 2 and the flat cables callout 3 together and then remove one spring
5. 159 3 Lift up on the door to release it slide the lower link arm callout 1 along the slot in the chassis to the release point callout 2 and then remove the 3 x 500 right door A CAUTION The door remains attached to the feeder until the link arm is released Do not damage the link arm when the door is removed Figure 202 Remove the 3 x 500 rightdoor assembly 3 of 3 160 Removal and replacement ENWW DRAFT 3 x 500 right lower cover 1 1 Remove the lowest cassette and then remove the 3 x 500 right door assembly see 3 x 500 right door assembly on page 159 2 Remove three screws callout 1 loosen the top portion of the cover and then remove the 3 x 500 rightlower cover 1 Figure 203 Remove the 3 x 500 rightlower cover 1 ENWW Removal and replacement procedures 161 DRAFT 3 x 500 right lower cover 2 1 Remove the 3 x 500 rear cover see 3 x 500 rear cover on page 151 2 Release one tab not shown and then slide the 3 x 500 right lower cover 2 callout 1 toward the back of the feeder to remove it E NOTE The figure in this step does not show the rear cover removed Remove the rear cover to access the tab Figure 204 Remove the 3 x 500 rightlower cover 2 162 Removal and replacement ENWW DRAFT 3 x 500 left lower cover 1 Remove the lowest cassette and then remove the 3 x 500 right door assembly see 3 x 500 lett cover on page 157 2 Remove three screws callout 1 and then remov
6. and then removing six screws callout 1 Figure 169 Remove the driver PCA 1 of 2 tia 2 i i i me j E A F haa X i i ENWW Removal and replacement procedures 133 DRAFT 134 Removal and replacement 2 Disconnect three connectors callout 1 remove two screws callout 2 and then unroute the cable callout 3 as you remove the driver PCA callout 4 Figure 170 Remove the driver PCA 2 of 2 pak a mh lt 4 SS DRAFT ENWW Power switch PCA Betore proceeding remove the following components e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 Remove the power switch PCA CAUTION ESD sensitive part 1 Open the front door and the right door 2 Disconnect one connector callout 1 release two tabs callout 2 and then remove the PCA callout 3 Figure 171 Remove the power switch PCA Ls ENWW Removal and replacement procedures 135 DRAFT Environmental sensor Before proceeding remove the following components e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 Remove the environmental sensor 1 Open the front door and the right door 2 Disconnect one connector callout 1 release one tab callout 2 and then remove the environmental sensor callout 3 136 Removal and replacement ENWW DRAFT 1 x 500 sheet paper feeder assembly
7. callout 4 Figure 56 Remove the laser scanner assembly 3 of 4 50 Removal and replacement ENWW DRAFT 6 While holding up the handle callout 1 pull the laser scanner callout 2 up slightly and then out of the product A CAUTION Do not touch the protective glass strip on top of the assembly Figure 57 Remove the laser scanner assembly 4 of 4 tl aT P X Reinstallation tip Align the assembly with the guides on the left side of the opening when reinstalling the assembly Align the pin on the bottom of the assembly with the hole in the product when reinstalling the assembly After pushing the assembly into the product you might have to pull the assembly slightly forward to seat the pin in the hole ENWW Removal and replacement procedures 51 DRAFT Paper pickup assembly Betore proceeding remove the following components e Tray 2 cassette e Tray 2 separation roller assembly See Separation roller assembly Tray 2 on page 15 e ITB See Intermediate transfer belt ITB on page 19 Remove the paper pickup assembly 1 Open the right door pull out one tab callout 1 pull the bottom of the cable cover out and then pull up to remove the cable cover callout 2 Figure 58 Remove the paper pickup assembly 1 of 3 ae a3 wile 52 Removal and replacement ENWW DRAFT 2 Disconnect four connectors callout 1 E NOTE The connectors might be hidden behind the assembly Figure 59
8. 82 Removal and replacement ENWW DRAFT 17 Remove six screws callout 1 and then remove the main drive assembly callout 2 E NOTE Make sure that the right door is closed Figure 101 Remove the main drive assembly 17 of 17 ENWW Removal and replacement procedures 83 DRAFT Install the main drive assembly EY NOTE Installing a replacement assembly follow the instructions in this section Reinstalling the original assembly some of these instructions in this section do not apply for example removing the shipping spacers Do not rotate the gears when handling the assembly If the gears are rotated and become out of phase it will be difficult to install the assembly on the product 1 Do not remove the orange spacers and spacer shipping tape callout 1 installed on the replacement main drive assembly Remove the remaining shipping tape callout 2 A CAUTION A gear callout 3 on the back of the assembly is not captive when the shipping tape is removed Do not lose the gear when handling the assembly with the shipping tape removed When removing tape make sure that the entire strip is removed Check the back of the assembly to verity that the entire strip of tape is removed Figure 102 Install the main drive assembly 1 of 8 84 Removal and replacement ENWW DRAFT 2 With the right door closed position the drive assembly near the product and then rotate it up and onto the chassis E NOTE Make sure tha
9. ITB on page 19 e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 e Top cover See Top cover on page 38 e Delivery assembly See Paper delivery assembly on page 101 Remove the duplex drive assembly 1 Disconnect two connectors callout 1 Figure 133 Remove the duplex drive assembly 1 of 3 104 Removal and replacement ENWW DRAFT 2 Remove three screws callout 1 Figure 134 Remove the duplex drive assembly 2 of 3 3 Release one tab callout 1 and then remove the assembly callout 2 Figure 135 Remove the duplex drive assembly 3 of 3 ENWW Removal and replacement procedures 105 DRAFT Delivery drive assembly simplex models Before proceeding remove the following components e Fuser See Fuser on page 11 e Intermediate transfer belt ITB See Intermediate transfer belt ITB on page 19 e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 e Top cover See Top cover on page 38 e Delivery assembly See Paper delivery assembly on page 101 Remove the delivery drive assembly A Remove three screws callou
10. Remove one screw callout 1 and the cover callout 2 Figure 116 Remove the fuser gear assembly 1 of 9 as ENWW Removal and replacement procedures 93 DRAFT 2 Remove one screw callout 1 release four tabs callout 2 and then separate the first transfer high voltage power supply callout 3 from the product A CAUTION The PCA is still connected to the product X Reinstallation tip When you reinstall the power supply PCA look through the holes on the PCA callout 5 and make sure that the contact springs are correctly positioned against the back side of the PCA Figure 117 Remove the fuser gear assembly 2 of 9 Fe te ra Leg y SE Taf t TA me 3 Disconnect one connector callout 1 and then remove the first transfer high voltage power supply callout 2 Figure 118 Remove the fuser gear assembly 3 of 9 t E i H ii in j f a Fad i J ao E i ee i a i a 94 Removal and replacement ENWW DRAFT ENWW 4 Disconnect one connector callout 1 remove four screws callout 2 and then remove the fuser motor callout 3 Figure 119 Remove the fuser gear assembly 4 of 9 5 Disconnect three connectors callout 1 and then release the wire harnesses from the guide callout 2 Figure 120 Remove the fuser gear assembly 5 of 9 Removal and replacement procedures DRAFT 95 6 Disconnect one connector callout 1 and then release the wire harness from the guid
11. See Right rear cover on page 36 e Top cover See lop cover on page 38 e Residual toner full sensor See Residual toner full sensor on page 69 e Main drive assembly See Main drive assembly on page 74 Remove the fuser drive assembly 1 Remove one screw callout 1 and the cover callout 2 Figure 110 Remove the fuser drive assembly 1 of 3 ENWW Removal and replacement procedures 89 DRAFT 2 Disconnect two connectors callout 1 Figure 111 Remove the fuser drive assembly 2 of 3 3 Remove four screws callout 1 and then remove the fuser drive assembly Figure 112 Remove the fuser drive assembly 3 of 3 a m w a ol mance 90 Removal and replacement ENWW DRAFT Install a replacement fuser drive assembly Use the following procedure to install a replacement fuser drive assembly or reinstall the original fuser drive assembly 1 Replacement fuser drive assembly Before beginning take note of the spacer callout 1 on the replacement fuser drive assembly Original fuser drive assembly Proceed to the next step E NOTE The fuser drive motor is shown removed in the following figure However you do not need to remove the fuser motor to install the fuser drive assembly Figure 113 Install a replacement fuser drive assembly 1 of 3 ENWW Removal and replacement procedures DRAFT 9 2 Replacement fuser drive assembly Fasten the replacement fuser gear assembly to the
12. connectors for the desired PCA e The top PCA has seven connectors e The middle PCA has six connectors e The bottom PCA has five connectors 3 Remove two screws callout 1 release two tabs callout 2 and then remove the PCA Repeat this procedure for the remaining PCAs Ey NOTE Some connectors callout 3 on the PCAs are not used Figure 192 Remove the 3 x 500 paper deck controller PCA ENWW Removal and replacement procedures 153 DRAFT 3 x 500 paper deck lifter drive assembly 154 This procedure describes removing the paper deck cassette 1 lifter drive assembly Use this procedure for any of the paper deck lifter assemblies 1 2 3 Remove the 3 x 500 rear cover See 3 x 500 rear cover on page 151 Disconnect two connectors callout 1 Figure 193 Remove the 3 x 500 paper deck litter drive assembly 1 of 2 e g Remove all of the cassettes remove three screws callout 1 release one tab callout 2 and then remove the cassette lifter assembly callout 3 Figure 194 Remove the 3 x 500 paper deck lifter drive assembly 2 of 2 as Bl x f q Removal and replacement ENWW DRAFT 3 x 500 paper deck pickup motor This procedure describes removing the paper deck cassette 1 pickup motor Use this procedure for any of the paper deck pickup motors 1 Remove the 3 x 500 rear cover See 3 x 500 rear cover on page 151 2 Disconnect one connector callout 1 remove two screws cal
13. of the right door link callout 2 Figure 183 Remove the 1 x 500 pickup assembly 2 of 4 Removal and replacement procedures 145 DRAFT 3 Remove one screw callout 1 Figure 184 Remove the 1 x 500 pick up assembly 3 of 4 E 4 Lift the 1 x 500 pickup assembly callout 1 slightly to clear a tab callout 2 and then slide it in the direction that the arrow indicates to remove it Figure 185 Remove the 1 x 500 pickup assembly 4 of 4 E E mi E h Cae 146 Removal and replacement ENWW DRAFT X Reinstallation tip When reassembling the 1 x 500 pickup assembly be sure to fit the shaft callout 1 on the assembly to the hole callout 2 in the feeder ee of ot RR i J y re bad TP kep x RATT pan os mie lt 1 MAR S Sant yt t Pa e 1 fi ee ENWW Removal and replacement procedures 147 DRAFT 1 x 500 lifter drive assembly 1 Remove the cassette from the feeder and then remove the rear cover see 1 x 500 rear cover on page 137 2 Disconnect two connectors callout 1 Figure 186 Remove the 1 x 500 lifter drive assembly 1 of 2 3 From the front inside the tray cavity remove three screws callout 1 release one tab callout 2 and then remove the 1 x 500 lifter drive assembly callout 3 Figure 187 Remove the 1 x 500 lifter drive assembly 2 of 2 148 Removal and replacement ENWW DRAFT 1 x 500 pickup motor 1 Remove the cassette from the feeder and th
14. remove the fuser motor to install the fuser gear assembly Figure 125 Install a replacement fuser gear assembly 1 of 3 ENWW Removal and replacement procedures DRAFT 99 2 Replacement fuser drive assembly Fasten the replacement fuser gear assembly to the product with four screws Install the screws in the order shown below callouts 1 to 4 Original fuser drive assembly Install but do not fully tighten four screws callouts 1 to 4 Carefully push the drive assembly to the lett toward the rightdoor side of the product until it slightly shitts forward Apply steady pressure to hold the assembly in place and then tighten the Screws Figure 126 Install a replacement fuser gear assembly 2 of 3 3 Replacement fuser drive assembly Release two tabs in the order shown below callouts 1 and 2 and then remove the spacer callout 3 Original fuser drive assembly Installation complete this step is not required Figure 127 Install a replacement fuser gear assembly 3 of 3 gt eS O T ph wh 7 a i r f ENWW 100 Removal and replacement DRAFT Paper delivery assembly Betore proceeding remove the following components e Fuser See Fuser on page 11 e Intermediate transfer belt ITB See Intermediate transter belt ITB on page 19 e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Right rear
15. ENWW DRAFT Fuser motor M4 Betore proceeding remove the following components Toner collection unit See Toner collection unit on page 9 Rightfront cover and control panel assembly See Right ront cover and control panel assembly on page 30 Left cover See Left cover on page 32 Rear cover See Rear cover on page 33 Toner collection unit access door See Toner collection unit access door on page 34 Right rear cover See Right rear cover on page 36 Top cover See Top cover on page 38 Residual toner full sensor See Residual toner full sensor on page 69 Remove the fuser motor ENWW Disconnect one connector callout 1 remove four screws callout 2 and then remove the motor callout 3 Figure 143 Remove the fuser motor Removal and replacement procedures DRAFT 113 Developing disengagement motor M6 Betore proceeding remove the following components e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 e Driver PCA See Driver PCA on page 133 Remove the developing disengagement motor Disconnect one connector callout 1 remove two screws callout 2 and then remove the motor callout 3 Figure 144 Remove the developing disengagement motor e7 ad 114 Removal and replacement ENWW DRAFT Power supply fan FM1 Betore proceeding remove the following components e Right front cover and control panel assembly See Right front cov
16. Removal and replacement e Introduction e Removal and replacement strategy e Electrostatic discharge e Required tools e Service approach e Removal and replacement procedures ENWW DRAFT Introduction This chapter describes the removal and replacement of field replaceable units FRUs only Replacing FRUs is generally the reverse of removal Occasionally notes and tips are included to provide directions for difficult or critical replacement procedures HP does not support repairing individual subassemblies or troubleshooting to the component level Note the length diameter color type and location of each screw Be sure to return each screw to its original location during reassembly Incorrectly routed or loose wire harnesses can interfere with other internal components and can become damaged or broken Frayed or pinched harness wires can be difficult to find When replacing wire harnesses always use the provided wire loops lance points or wire harness guides and retainers Removal and replacement strategy A WARNING Turn the product off wait 5 seconds and then remove the power cord before attempting to service the product If this warning is not followed severe injury can result in addition to damage to the product The power must be on for certain functional checks during troubleshooting However disconnect the power supply during parts removal Never operate or service the product with the protective cover r
17. Remove the paper pickup assembly 2 of 3 3 Pull out one tab callout 1 and then slide the guide callout 2 to the right to remove it Figure 60 Remove the paper pickup assembly 3 of 3 ENWW Removal and replacement procedures 53 DRAFT 4 Remove two screws callout 1 move the registration sensor lever callout 2 to the up position and then pull the paper pickup assembly callout 3 toward you to remove it Figure 61 Remove the paper pickup assembly 4 of 4 a LT ENWW 54 Removal and replacement DRAFT Reinstall the paper pickup assembly ENWW Use the steps below to reinstall the paper pickup assembly If you are installing a replacement assembly also see Installing a replacement paper pickup assembly on page 57 after completing these steps 1 When reassembling the paper pickup assembly callout 1 the sensor flag callout 2 is in the way Be sure to hold up the sensor flag when reassembling Figure 62 Reinstall the paper pickup assembl O TS A 5 J i f AR yy y Removal and replacement procedures DRAFT 55 2 Make sure that the sensor flag is correctly installed and that the flag moves properly after reassembling the paper pickup assembly Figure 63 Paper pickup assembly sensor flag correctly installed Figure 64 Paper pickup assembly sensor flag incorrectly installed 56 Removal and replacement ENWW DRAFT Installing a replacement paper
18. acement ENWW DRAFT Intermediate transfer belt ITB A CAUTION Do not touch the black plastic belt Skin oils and fingerprints on the belt can cause print quality problems Always place the ITB on a flat surface in a safe and protected location EY NOTE Ifthe ITB assembly is replaced HP recommends that the secondary transfer roller be replaced also If both components are replaced at the same time you must use the control panel menus to reset the Transfer Kit menu item See Reset the New Transfer Kit setting at the control panel on page 21 1 Open the rightdoor assembly 2 Use both hands to grasp the blue levers callout 1 apply slight downward pressure and pull the ITB toward you at a downward angle Figure 18 Remove the intermediate transfer belt 1 of 3 ENWW Removal and replacement procedures DRAFT 19 3 Pull the ITB out of the product until two large handles expand along the right and lett side of the ITB Figure 19 Remove the intermediate transfer belt 2 of 3 i Bui mF 4 Grasp the large handles on the ITB and then pull the ITB straight out of the product until it stops and then pull up to remove it from the product A CAUTION The ITB is a sensitive component Be careful when handling the ITB so that it is not damaged Always place the ITB in a sate and protected location Figure 20 Remove the intermediate transfer belt 3 of 3 X Reinstallation tip f you are installing a replac
19. allation tip When you reinstall the power supply PCA look through the holes on the PCA callout 5 and make sure that the contact springs are correctly positioned against the back side of the PCA Figure 95 Remove the main drive assembly 11 of 17 ka x ae z kir l s E ira in p Ste SS i 12 Remove two screws callout 1 and then remove the sheet metal support brackets callout 2 Figure 96 Remove the main drive assembly 12 of 17 80 Removal and replacement ENWW DRAFT 13 Disconnect one connector callout 1 release one tab callout 2 slide the cable guide callout 3 to the left to release the it and then move the guide to the side out of the way X TIP It might be easier to disconnect the connector if you release it trom the holder Figure 97 Remove the main drive assembly EFF 3 13 of 17 14 Use a small flat blade screwdriver to release one tab callout 1 and then remove the sensor holder callout 2 Figure 98 Remove the main drive assembly 14 of 17 ane ze 4 a i P ENWW Removal and replacement procedures 8 DRAFT 15 Disconnect one connector callout 1 and then remove the sensor assembly Figure 99 Remove the main drive assembly 15 of 17 a E A Ta 16 Disconnect six connectors callout 1 and then release the wire harnesses from the guides callout 2 Figure 100 Remove the main drive assembly 16 of 17 gt
20. aper deck pickup assembly 1 of 3 Figure 207 Remove the 3 x Hi Le ENWW Removal and replacement procedures 165 DRAFT 2 Remove the cassette remove one screw callout 1 and then remove the right door link stopper callout 2 Figure 208 Remove the 3 x 500 paper deck pickup assembly 2 of 3 3 Remove one screw callout 1 and then remove the paper deck pickup assembly callout 2 Figure 209 Remove the 3 x 500 paper deck pickup assembly 3 of 3 166 Removal and replacement ENWW DRAFT
21. arrow indicates to remove it Figure 77 Remove the ITB rear guide assembly F 68 Removal and replacement ENWW DRAFT Residual toner full sensor Betore proceeding remove the following components e _Toner collection unit See Toner collection unit on page 9 e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Toner collection unit access door See Toner collection unit access door on page 34 e Right rear cover See Right rear cover on page 36 e Top cover See Top cover on page 38 Remove the residual toner full sensor 1 Release one tab callout 1 and then remove the cover callout 2 Figure 78 Remove the residual toner full sensor 1 of 4 ENWW Removal and replacement procedures 69 DRAFT 2 Remove two M4 screws callout 1 and one M3 screw callout 2 Then remove the toner cover callout 3 Figure 79 Remove the residual toner full sensor 2 of 4 70 Removal and replacement ENWW DRAFT 3 Disconnect one connector callout 1 remove three screws callout 2 and then remove the residual toner full sensor assembly callout 3 A CAUTION During the removal process make sure that the white gear callout 4 does not fall out of the assembly The white gear might stay on the product and not come off with the assembly Figure 80 Remove the residual t
22. ay and then push up the upper part of the link arm callout 2 to detach it from the product chassis Figure 73 Remove the ITB front guide assembly 1 of 4 Removal and replacement procedures DRAFT 65 2 Remove three screws callout 1 release four tabs callout 2 and then remove the cartridge upper guide unit callout 3 Figure 74 Remove the ITB front guide assembly 2 of 4 3 Disconnect one connector callout 1 and then release the cables callout 3 from the cable clamp callout 2 Figure 75 Remove the ITB front guide assembly 3 of 4 ME h un 66 Removal and replacement ENWW DRAFT 4 Release one tab callout 1 and then slide the ITB front guide assembly callout 2 in the direction that the arrow indicates to remove it Figure 76 Remove the ITB front guide assembly 4 of 4 ENWW Removal and replacement procedures 67 DRAFT ITB rear guide assembly Before proceeding remove the following components e ITB See Intermediate transfer belt ITB on page 19 e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 e Top cover See Top cover on page 38 A Disconnect one connector callout 1 release one tab callout 2 and then slide the ITB rear guide unit callout 3 in the direction that the
23. cover See Right rear cover on page 36 e Top cover See Top cover on page 38 Remove the delivery assembly 1 Remove two screws callout 1 remove the cover callout 2 and then remove two screws callout 3 Figure 128 Remove the paper delivery assembly 1 of 2 ENWW Removal and replacement procedures 101 DRAFT 2 Pull the left side of the unit away from the engine and then slide the delivery unit callout 1 in the direction that the arrow indicates to remove it Figure 129 Remove the paper delivery assembly 2 of 2 Reinstall the paper delivery assembly 1 Make sure that the delivery assembly callout 1 two mounting holes callout 2 align with the shatts callout 3 on the product Figure 130 Reinstall the paper delivery assembly 1 of 3 102 Removal and replacement ENWW DRAFT ENWW 2 3 During reassembly the white gear callout 1 can become dislodged Make sure that it is correctly installed on the assembly Figure 131 Reinstall the paper delivery assembly 2 of 3 lt After reinstalling the delivery assembly verify that the sensor flag callout 1 moves smoothly Figure 132 Reinstall the paper delivery assembly 3 of 3 Removal and replacement procedures DRAFT 103 Duplex drive assembly duplex models Betore proceeding remove the following components e Fuser See Fuser on page 11 e Intermediate transfer belt ITB See Intermediate transfer belt
24. ctly positioned against the back side of the PCA sLe D ors Figure 166 Reinstall the first transfer high voltage power supply 130 Removal and replacement ENWW DRAFT Second transfer high voltage power supply Betore proceeding remove the following components e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 Remove the second transfer high voltage power supply A CAUTION ESD sensitive part 1 Disconnect all of the cables and FFCs from the DC controller release the cables from the guides remove five screws callout 1 and then remove the DC controller and the DC controller support Figure 167 Remove the second transfer high voltage power supply 1 of 2 T Ta L w pe Y i P E3 fe 2 k ENWW Removal and replacement procedures 131 DRAFT 2 Release four tabs callout 1 and then unroute the cable callout 2 as you remove the second transfer high voltage power supply callout 3 Figure 168 Remove the second transfer high voltage power supply 2 of 2 k f A a Libel ENWW 132 Removal and replacement DRAFT Driver PCA Betore proceeding remove the following components e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 Remove the driver PCA A CAUTION ESD sensitive part 1 Remove the DC controller and the DC controller support by releasing the cables from the guides
25. duct power for the fuser to cool 1 Open the rightdoor assembly 2 Grasp the handles and squeeze the blue release levers callout 1 Figure 5 Remove the fuser rp ane EA O e aa _ 3 Pull the fuser callout 2 straight out of the product to remove it Reset the New Fuser Kit setting at the control panel E NOTE Use this procedure to reset the internal page count if a replacement fuser is installed 1 At the control panel press the Home button 2 Open the following menus e Administration e Manage Supplies e Reset Supplies e New Fuser Kit 3 Use the Down arrow button to highlight the Yes item and then press OK to select it ENWW Removal and replacement procedures 11 DRAFT Pickup roller Tray 1 A CAUTION Do not touch the spongy roller surface unless you are replacing the roller Skin oils on the roller can cause paper pickup problems 1 Open Tray 1 callout 1 and then remove the pickup roller cover callout 2 Figure 6 Remove the pickup roller Tray 1 1 of 2 2 Spead out the pickup roller retainers callout 1 until both sides unlatch and then remove the pickup roller callout 2 X Reinstallation tip When you reinstall the roller make sure that the roller snaps into place Figure 7 Remove the pickup roller Tray 1 2 of 2 12 Removal and replacement ENWW DRAFT Separation pad Tray 1 A CAUTION Do not touch the spongy roller surface unl
26. e callout 2 X TIP It might be easier to disconnect the connector if you release it trom the black plastic holder Figure 121 Remove the fuser gear assembly 6 of 9 7 Disconnect two connectors callout 1 and then release the wire harness from the retainer and guide callout 2 Figure 122 Remove the fuser gear assembly 7 of 9 ENWW 96 Removal and replacement DRAFT 8 Disconnect one connector callout 1 and then release the wire harness from the guide callout 2 Figure 123 Remove the fuser gear assembly 8 of 9 ENWW Removal and replacement procedures 97 DRAFT 9 Remove four screws callout 1 and then remove the fuser gear assembly callout 2 A CAUTION Do not remove the gear or solenoid located behind the fuser gear assembly The gear and solenoid are installed in specific alignment with the other components behind the assembly If the gear or solenoid are removed the product will not properly function 98 Removal and replacement ENWW DRAFT Install a replacement fuser gear assembly Use the following procedure to install a replacement fuser drive assembly or reinstall the original fuser gear assembly 1 Replacement fuser gear assembly Before beginning take note of the spacer callout 1 on the replacement fuser drive assembly Original fuser gear assembly Proceed to the next step E NOTE The fuser drive motor is shown removed in the following figure However you do not need to
27. e assembly 1 Disconnect three connectors callout 1 and one FFC callout 2 Figure 85 Remove the main drive assembly 1 of 17 74 Removal and replacement ENWW DRAFT ENWW 2 3 sje Q s Remove one screw callout 1 and then remove the sheet metal plate callout 2 i Figure 86 Remove the main drive assembly 2 of 17 Disconnect twenty two connectors and six FFCs on the DC controller PCA callout 1 TIP Three connectors callout 2 should be empty when the DC controller is reinstalled Figure 87 Remove the main drive assembly 3 of 17 li r 7 aa l 7 mg P E NPE i pu ses oa Removal and replacement procedures DRAFT 75 4 Disconnect three intermediate connectors callout 1 and then release the wire harnesses callout 3 from the guides callout 2 Figure 88 Remove the main drive assembly 4 of 17 5 Release one tab callout 1 and then remove the guide callout 2 X TIP Release the wire harnesses from the guide as you remove it Figure 89 Remove the main drive assembly 5 of 17 ao 76 Removal and replacement ENWW DRAFT 6 Remove five screws callout 1 and then remove the DC controller and the two sheet metal support plates A CAUTION Carefully unthread the FFCs from the plate to avoid damaging them when you remove the DC controller and the two sheet metal support plates Figure 90 Remove the main drive assembly 6 of 17
28. e hard drive up and away from the PCA and then slide it as shown below to remove it Figure 25 Remove the ElO encrypted hard drive 3 of 3 Remove the solid state hard drive 1 Release the hard drive lock Figure 26 Remove the solid state hard drive 1 of 3 26 Removal and replacement ENWW DRAFT ENWW 2 Remove the lock from the PCA Figure 27 Remove the solid state hard drive 2 of 3 penis ae he ee Wi S Te wS G a d wd TN Ka eo ee eae ey ate 3 Disconnect the solid state PCA from the formatter PCA and then remove it Figure 28 Remove the solid state hard drive 3 of 3 Removal and replacement procedures DRAFT 27 Covers Identification and location Figure 29 External panels covers and doors Q Table 1 External panels covers and doors Rear right cover see Right rear cover Top cover see Top cover on page 38 on page 36 2 Right door assembly see Right door assembly 7 Left cover see Left cover on page 32 on page 43 28 Removal and replacement ENWW DRAFT ENWW Table 1 External panels covers and doors continued 3 Right front cover and control panel assembly see Rightfront cover and control panel assembly on page 30 4 Front door assembly see Frontdoor assembly on page 40 DRAFT Rear cover see Rear cover on page 33 Toner collection unit access door see Toner collection unit access door on
29. e product from the feeder to remove these rollers 1 Remove the Tray 3 or Tray 4 5 6 cassette from the product and then locate the rollers on the righthand side of the tray cavity Figure 15 Remove the 1 x 500 or 3 x 500 rollers 1 of 2 2 Release three tabs and then pull the rollers in the direction of the arrow Figure 16 Remove the 1 x 500 or 3 x 500 rollers 2 of 2 X Reinstallation tip When you reinstall the rollers make sure that the rollers snap into place ENWW Removal and replacement procedures 17 DRAFT Secondary transfer roller A CAUTION Do not touch the spongy roller surface unless you are replacing the roller Skin oils on the roller can cause image quality problems EY NOTE It the secondary transfer roller is replaced HP recommends that the ITB be replaced also If both components are replaced at the same time you must use the control panel menus to reset the Transfer Kit menu item See Reset the New Transfer Kit setting at the control panel on page 21 1 Open the rightdoor assembly 2 Grasp one of the blue round features callout 1 on either end of the transfer roller and then lift the transfer roller callout 2 off of the product Figure 17 Remove the transter roller wr 4 A X TIP Place the new roller assembly in place with the roller gear callout 1 on the right side and then press down to ensure that the roller shaft snaps securely in the roller clasps 18 Removal and repl
30. e the 3 x 500 lett lower cover Figure 205 Remove the 3 x 500 lett lower cover ENWW Removal and replacement procedures 163 DRAFT 3 x 500 rear lower cover Betore proceeding remove the following components Lowest cassette Rear cover See 3 x 500 rear cover on page 151 Right door assembly See 3 x 500 right door assembly on page 159 Right lower cover See 3 x 500 right lower cover 1 on page 161 Left cover See 3 x 500 left cover on page 157 Leftlower cover See 3 x 500 left lower cover on page 163 Remove the 3 x 500 rear lower cover 164 Remove two screws callout 1 and then remove the 3 x 500 rear lower cover Figure 206 Remove the 3 x 500 rear lower cover Removal and replacement DRAFT ENWW 3 x 500 paper deck pickup assembly Betore proceeding remove the following components e 3x 500 rear cover See 3 x 500 rear cover on page 151 e Right corner cover See 3 x 500 right corner cover on page 158 e Right door assembly See 3 x 500 rightdoor assembly on page 159 e Right lower cover See 3 x 500 rear lower cover on page 164 amp NOTE Remove this cover onlyif you are removing the paper teeder cassette 3 pickup assembly Remove the 3 x 500 paper deck pickup assembly This procedure describes removing the paper deck cassette 1 assembly Use this procedure for any of the paper deck pickup assemblies 1 Remove one screw callout 1 and then disconnect three connectors callout 2 500 p
31. e the right rear cover A ys 36 Removal and replacement ENWW DRAFT Reinstall the right rear cover A Make sure that the ground spring callout 1 is correctly installed before you reinstall the rightrear cover Figure 39 Right rear cover ground spring ENWW Removal and replacement procedures 37 DRAFT Top cover Betore proceeding remove the following components e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Remove the rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 Remove the top cover 1 Open the rightdoor assembly and then remove four screws callout 1 Figure 40 Remove the top cover 1 of 2 2 Open the toner collection door 38 Removal and replacement ENWW DRAFT 3 Release two tabs callout 1 and then remove the cover Figure 41 Remove the top cover 2 of 2 ENWW Removal and replacement procedures 39 DRAFT Front door assembly 1 Remove the control panel See Right front cover and control panel assembly on page 30 2 Open the front door 3 Remove one screw callout 1 and the inner cover rail mount callout 2 A CAUTION As shown in Figure 43 Remove the front door assembly 2 of 4 on page 40 when removing the inner cover rail mount callout 3 hold down the inner cover callout 4 with one hand to prevent it from springing back a
32. ement ITB make sure that you remove all of the packing tape and the protective cover sheet 20 Removal and replacement ENWW DRAFT Reset the New Transfer Kit setting at the control panel EY NOTE Use this procedure to reset the internal page count if a replacement ITB and secondary transfer roller are installed 1 At the control panel press the Home button 2 Open the following menus e Administration e Manage Supplies e Reset Supplies e New Transfer Kit 3 Use the Down arrow button to highlight the Yes item and then press OK to select it ENWW Removal and replacement procedures 21 DRAFT Formatter PCA A CAUTION ESD sensitive component ESD Do not replace the laser scanner and the formatter PCA at the same time The settings for the laser scanner are stored in the formatter RAM When you install a new laser scanner it reads the settings from the formatter Do not replace the DC controller PCA and the formatter PCA at the same time The settings for the DC Controller PCA are stored in the formatter RAM When you install a new DC Controller PCA it reads the settings trom the formatter E amp Y NOTE It possible print a configuration page before replacing the formatter You might need to transfer the serial number and the page count information to the new formatter 1 Disconnect communication cables if installed Figure 21 Remove the formatter 1 of 2 DEET a pe co SA ER sy iy
33. emove the DC controller PCA callout 2 Figure 159 Remove the DC controller PCA 3 of 3 124 Removal and replacement ENWW DRAFT Low voltage power supply Betore proceeding remove the following components e Tray 2 cassette e _ Left cover See Left cover on page 32 Remove the low voltage power supply A WARNING When disassembling the low voltage power supply unit callout 1 do not touch the electric element callout 2 as shown Be sure to hold the bottom side of the low voltage power supply unit A CAUTION ESD sensitive part Unplug the power cord from the product before proceeding 1 Open the front door disconnect two connectors callout 1 and then remove three screws callout 2 that have a triangular icon next to them Figure 160 Remove the low voltage power supply 1 of 3 a zi ENWW Removal and replacement procedures 125 DRAFT 2 Slightly lift up on the low voltage power supply callout 1 slide it slightly forward disconnect eight connectors callout 2 and then release the cables from the front cable clamp A WARNING Do not use the power supply electric element callout 3 as a handle to pull out the power supply X TIP One of the connectors callout 2 is located far back inside the product Figure 161 Remove the low voltage power supply 2 of 3 3 Release the cables callout 2 from the rear cable clamp callout 1 disconnect one rear connector callout 3 and then r
34. emove the low voltage power supply unit callout 4 Figure 162 Remove the low voltage power supply 3 of 3 126 Removal and replacement ENWW DRAFT X Reinstallation tip When reinstallling the low voltage power supply unit callout 1 be careful not to catch the AC cables callout 2 in the low voltage power supply unit ae e eee ee eeess Ma ie a e a 4 a ad a p P eeeoeeeeeees 43 Removal and replacement procedures 127 ENa DRAFT Imaging developing high voltage power supply Betore proceeding remove the following components e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 e Formatter case See Formatter case on page 47 Remove the imaging developing high voltage power supply A CAUTION ESD sensitive part Remove one screw callout 1 release four tabs callout 2 remove the cable routing plate callout 3 and then remove the imaging developing high voltage power supply PCA X Reinstallation tip Reinsert the power supply by angling the smaller left end behind the DC controller and driver PCA Ensure that the power supply sits behind the black tab callout 4 Carefully press the power supply to engage all four tabs When you reinstall the power supply PCA look through the holes on the PCA callout 5 and make sure that the contact springs are correctly positioned against the back side of the PCA Fig
35. emoved from the laser scanner assembly The reflected beam although invisible can damage your eyes The sheet metal parts can have sharp edges Be caretul when handling sheet metal parts A CAUTION Do not bend or fold the flat flexible cables FFCs during removal or installation Also do not straighten pre folds in the FFCs You must fully seat all FFCs in their connectors Failure to fully seat an FFC into a connector can cause a short circuit in a PCA E NOTE To install a self tapping screw first turn it counterclockwise to align it with the existing thread pattern and then carefully turn it clockwise to tighten Do not overtighten If a self tapping screw hole becomes stripped repair the screw hole or replace the affected assembly X TIP For clarity some photos in this chapter show components removed that would not be removed to service the product If necessary remove the components listed at the beginning of a procedure before proceeding to service the product Electrostatic discharge A CAUTION Some parts are sensitive to electrostatic discharge ESD Look for the ESD reminder when removing product parts Always perform service work at an ESD protected workstation or mat or use an ESD strap If an ESD workstation mat or strap is not available ground yourself by touching the sheet metal chassis before touching an ESD sensitive part Protect the ESD sensitive parts by placing them in ESD pouches when they are out of the pr
36. en remove the rear cover see 1 x 500 rear cover on page 137 2 Disconnect one connector callout 1 remove two screws callout 2 and then remove the 1 x 500 pickup motor callout 3 Figure 188 Remove the 1 x 500 pickup motor ENWW Removal and replacement procedures 149 DRAFT 1 x 500 driver PCA 1 Remove the cassette from the feeder and then remove the rear cover see 1 x 500 rear cover on page 137 2 Disconnect seven connectors callout 1 remove two screws callout 2 release two tabs callout 3 and then remove the 1 x 500 driver PCA E NOTE One connector callout 4 on the 1 x 500 driver PCA remains empty Figure 189 Remove the 1 x 500 driver PCA 150 Removal and replacement ENWW DRAFT 3 x 500 sheet paper feeder optional accessory 3 x 500 rear cover Remove two screws callout 1 and then remove the 3 x 500 rear cover callout 2 Figure 190 Remove the 3 x 500 rear cover ENWW Removal and replacement procedures 151 DRAFT 3 x 500 right and left cassette rails 1 Remove a cassette 2 Remove two screws callout 1 and then remove the 3 x 500 right callout 2 and left callout 3 cassette rails Repeat this procedure for the remaining cassette rails Figure 191 Remove the 3 x 500 right and lett cassette rails 152 Removal and replacement ENWW DRAFT 3 x 500 paper deck controller PCAs 1 Remove the 3 x 500 rear cover see 3 x 500 rear cover on page 151 2 Disconnect all of the
37. er See Rear cover on page 33 Toner collection unit access door See Toner collection unit access door on page 34 Right rear cover See Right rear cover on page 36 Top cover See Top cover on page 38 Toner cover See the first and second steps of Residual toner full sensor on page 69 Remove the drum motor ENWW Disconnect one connector callout 1 remove four screws callout 2 and then remove the motor callout 3 Figure 141 Remove the drum motor Removal and replacement procedures DRAFT 111 Developing motor M3 Betore proceeding remove the following components e Toner collection unit See Toner collection unit on page 9 e Right front cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Toner collection unit access door See Toner collection unit access door on page 34 e Right rear cover See Right rear cover on page 36 e Top cover See Top cover on page 38 e Toner cover See the first and second steps of Residual toner full sensor on page 69 Remove the developing motor Disconnect one connector callout 1 remove four screws callout 2 and then remove the motor callout 3 Figure 142 Remove the developing motor ae is aj i t i at i fal iiaii 1 j aeS H he fe lelapa ey hi teare grt m a A a il it EALE 112 Removal and replacement
38. er and control panel assembly on page 30 e Left cover See Left cover on page 32 e Frontdoor assembly steps 1 and 2 only See Frontdoor assembly on page 40 Remove the power supply fan 1 Disconnect one connector callout 1 and then release the cables callout 3 from the guide callout 2 Figure 145 Remove the power supply fan 1 of 3 ENWW Removal and replacement procedures 115 DRAFT 116 2 3 Release two tabs callout 1 and then remove the fan callout 2 and the fan holder callout 3 together Figure 146 Remove the power supply fan 2 of 3 y Pull on the sides of the fan holder to remove the fan from the holder Figure 147 Remove the power supply fan 3 of 3 4 7 Removal and replacement DRAFT ENWW X Reinstallation tip When reinstalling the fan verity that the tan cables callout 1 are positioned as shown and that the label callout 2 on the fan is facing toward the inside of the product ENWW Removal and replacement procedures 117 DRAFT Fuser fan FM2 Betore proceeding remove the following components e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 Remove the fuser fan 1 Disconnect one connector callout 1 release one tab callout 2 and then slide the guide callout 3 down to remove it Figure 148 Remove the fuser fan 1 of 4 m a w 2 Disconnect three connectors cal
39. er belt ITB See Intermediate transfer belt ITB on page 19 e Cassette pickup drive assembly See Paper pickup assembly on page 52 Remove the registration sensor assembly 1 Push the tab callout 1 down and then pull the top of the cover to remove the cover callout 2 You might need a small flat blade screwdriver to press down the tab Figure 66 Remove the registration sensor assembly 1 of 4 oh oe a ye ot ENWW Removal and replacement procedures 59 DRAFT 2 Disconnect one connector callout 1 and then detach the bottom part of the spring callout 2 at the right end If necessary use a pick or needle nose pliers to detach the spring Figure 67 Remove the registration sensor assembly 2 of 4 b a Mi 3 Detach the bottom of one spring callout 1 at the left end Figure 68 Remove the registration sensor assembly 3 of 4 ENWW 60 Removal and replacement DRAFT ENWW 4 Release one of the registration sensor unit pivot hinges from the shatts callout 1 pull out that end of the assembly callout 2 and then repeat the procedure on the other pivot hinge Figure 69 Remove the registration sensor assembly 4 of 4 Pr n rA a a n J ee T a eee A a 2 J pe ly hy T A z l i r Removal and replacement procedures DRAFT 6 Lifter drive assembly Betore proceeding remove the following components e Tray 2 cassette e Fuser See Fuser on page 11 e ITB See I
40. es 141 DRAFT 1 x 500 right door 1 Lift the product off the feeder and then open the tray right door 2 Release the link arm callout 1 Figure 178 Remove the 1 x 500 right door 1 of 3 3 Release the stopper callout 1 and then release the shaft callout 2 Figure 179 Remove the 1 x 500 right door 2 of 3 142 Removal and replacement ENWW DRAFT 4 Slide the right door callout 1 and the arm callout 2 in the direction that the arrow indicates to remove them together and then remove the arm from the right door unit Figure 180 Remove the 1 x 500 right door 3 of 3 ENWW Removal and replacement procedures 143 DRAFT 1 x 500 right lower cover 1 Remove the cassette from the feeder and then remove the right door see 1 x 500 right door on page 142 2 Remove one screw callout 1 and then slide the cover callout 2 to the right to clear an alignment pin at the lett side of the cover 144 Removal and replacement ENWW DRAFT 1 x 500 pickup assembly ENWW Betore proceeding remove the following components e ear cover See x 500 rear cover on page 137 e Rightfront cover See 1 x 500 rightfront cover on page 140 e Right lower cover See 1 x 500 right lower cover on page 144 1 Disconnect three connectors callout 1 and then remove one screw callout 2 Figure 182 Remove the 1 x 500 pickup assembly 1 of 4 2 Remove one screw callout 1 and then remove the stopper
41. ess you are replacing the roller Skin oils on the roller can cause paper pickup problems 1 Open Tray 1 callout 1 and then remove the pickup roller cover callout 2 Figure 8 Remove the separation pad Tray 1 1 of 4 2 Take out the tool callout 2 supplied with a new separation pad callout 1 Figure 9 Remove the separation pad Tray 1 2 of 4 a AS ENWW Removal and replacement procedures 13 DRAFT 3 Insert the tool under the separation pad Figure 10 Remove the separation pad Tray 1 3 of 4 4 Rotate the top of the tool away from the product to release the separation pad and then remove the tool and the separation pad together Figure 11 Remove the separation pad Tray 1 4 of 4 lt a SN S Pd aA 4 Zz ie j a ww KP a DV A i A Pr r p lt d gt iis lt CDS X Reinstallation tip You do not need to use the tool to install the new separation pad Press the new pad with your hand until it snaps into place and engages with the engine 14 Removal and replacement ENWW DRAFT Separation roller assembly Tray 2 A CAUTION Do not touch the spongy roller surface unless you are replacing the roller Skin oils on the roller can cause paper pickup problems 1 Remove Tray 2 from the product 2 Open the right door assembly 3 On the separation roller assembly slide the lever callout 1 toward the unlocked icon gf until it clicks into t
42. he OPC drum drive gears callout 1 two shown four total must move in and out when viewed from inside the product e Open and close the right door The ITB drive gear callout 2 must move in and out when viewed from inside the product Figure 107 Install the main drive assembly 6 of 8 DNN E Ai j La pL Shae E ai j k a a 7 Install the remaining five mounting screws tighten all six screws callout 1 and then remove the orange spacers and spacer shipping tape Figure 108 Install the main drive assembly 7 of 8 ENWW Removal and replacement procedures 87 DRAFT 8 Reinstall the two small sheet metal brackets E NOTE The tab on the sheet metal brackets must be inserted in the hole in the drive assembly chassis as shown below Figure 109 Install the main drive assembly 8 of 8 ENWW 88 Removal and replacement DRAFT Fuser drive assembly Betore proceeding remove the following components e Toner collection unit See Toner collection unit on page 9 e Fuser See Fuser on page 11 e Formatter PCA See Formatter PCA on page 22 e Formatter case See Formatter case on page 4 7 e Right front cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Toner collection unit access door See Toner collection unit access door on page 34 e Rightrear cover
43. he unlocked position Figure 12 Remove the separation roller assembly Tray 2 1 of 2 4 Pull the separation roller assembly up and remove it from the product X Reinstallation tip When you install the separation roller assembly make sure that it snaps into the locked postion Figure 13 Remove the separation roller assembly Tray 2 2 of 2 see Ye Ju n pu ai u E ENWW Removal and replacement procedures 15 DRAFT 16 Pickup roller Tray 2 A CAUTION Do not touch the spongy roller surface unless you are replacing the roller Skin oils on the roller can cause paper pickup problems 1 Open Tray 2 2 Open the right door assembly 3 Remove the separation roller assembly see Separation roller assembly Tray 2 on page 15 4 Lift one of the two levers callout 1 on either side of the pickup roller and then push the right side of the roller in the direction of the arrow Figure 14 Remove the pickup roller Tray 2 5 Remove the pickup roller X9 Reinstallation tip Insert the left side of the roller into the product first Make sure that the replacement roller snaps into place Removal and replacement ENWW DRAFT Pickup roller separation roller and feed roller 1 x 500 sheet and 3 x 500 sheet paper feeders A CAUTION Do not touch the spongy roller surface unless you are replacing the roller Skin oils on the roller can cause paper pickup problems X TIP You do not have to separate th
44. ia ie ee ae Persp e sit ua a 3 4 i f ab eet DE i Peer GER ENWW Removal and replacement procedures 77 DRAFT 7 Disconnect three connectors callout 1 remove two screws callout 2 release one wire retainer callout 3 and then remove the driver PCA callout 4 rile 7 p a is gt LOLPESOR n H 8 Remove one screw callout 1 and then remove the second transfer high voltage power supply callout 2 and the PCA holder callout 3 assembly 78 Removal and replacement DRAFT ENa ENWW 9 Release one tab callout 1 and then remove the cover callout 2 Figure 93 Remove the main si om 9 of 17 10 Remove one screw callout 1 release four tabs callout 2 and then remove the developing high voltage power supply callout 3 X Reinstallation tip When you reinstall the power supply PCA look through the holes on the PCA callout 4 and make sure that the contact springs are correctly positioned against the back side of the PCA Figure 94 Remove the main drive ema 10 of 17 ait Nae pene ae a H ihe a Mi aie ia The Removal and replacement procedures DRAFT 79 11 Remove one screw callout 1 release four tabs callout 2 and then separate the first transfer high voltage power supply callout 3 from the product A CAUTION The PCA is still connected to the product Disconnect one connector callout 4 on the back side of the PCA to remove it X Reinst
45. lout 1 and then release the cables callout 3 from the cable guides callout 2 Figure 149 Remove the fuser fan 2 of 4 ENWW 118 Removal and replacement DRAFT 3 Release four tabs callout 1 and then remove the fan callout 2 and the fan holder callout 3 together 4 Turn the fan holder over and then pull the fan out of the holder Figure 151 Remove the fuser fan 4 of 4 X Reinstallation tip Note the wiring path and label orientation for reinstallation ENWW Removal and replacement procedures 119 DRAFT Formatter fan FM3 and ICB PCA Betore proceeding remove the following components e Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Formatter PCA See Formatter PCA on page 22 e Formatter case See Formatter case on page 47 Remove the formatter fan and ICB PCA 1 Disconnect three connectors callout 1 and one FFC callout 2 Figure 152 Remove the formatter fan 1 of 5 he ime 120 Removal and replacement ENWW DRAFT 2 Remove one screw callout 1 and then remove the sheet metal plate callout 2 Figure 153 Remove the formatter fan 2 of 5 h i E ro uo o J 3 Disconnect one connector callout 1 remove two screws callout 2 and then remove the inter connect board IBC PCA callout 3 from the assembly Figure 154 Remove the formatter fan 3 of 5 ENWW Removal and replacement procedure
46. lout 2 and then remove the cassette pickup motor callout 3 Figure 195 Remove the 3 x 500 paper deck pickup motor eaeoe ENWW Removal and replacement procedures 155 DRAFT 3 x 500 front lower cover 1 Remove the lowest cassette 2 Remove one screw callout 1 and then slide the 3 x 500 frontlower cover callout 2 toward the lett side of the feeder to remove it Figure 196 Remove the 3 x 500 frontlower cover e amp 156 Removal and replacement ENWW DRAFT 3 x 500 left cover 1 Release one tab callout 1 and then remove the locking lever callout 2 Figure 197 Remove the 3 x 500 left cover 1 of 2 2 Remove one screw callout 1 and then remove the left cover callout 2 Figure 198 Remove the 3 x 500 left cover 2 of 2 ENWW Removal and replacement procedures 157 DRAFT 3 x 500 right corner cover Open the right door remove two screws callout 1 and then remove the 3 x 500 right corner cover callout 2 Figure 199 Remove the 3 x 500 right corner cover 158 Removal and replacement ENWW DRAFT 3 x 500 right door assembly 1 Open the right door and then release one upper link arm callout 1 Figure 200 Remove the 3 x 500 rightdoor assembly 1 of 3 2 Release one tab callout 1 and then remove the stopper callout 2 Figure 201 Remove the 3 x 500 rightdoor assembly 2 of 3 E ENWW Removal and replacement procedures DRAFT
47. ntermediate transfer belt ITB on page 19 e 1x 500 paper feeder See 1 x 500 sheet paper feeder assembly on page 137 e 3 x 500 paper feeder optional accessory See 3 x 500 sheet paper feeder optional accessor on page I51 Remove the lifter drive assembly 1 Verify that the right door is closed and then turn the product so that the front side faces up Figure 70 Remove the lifter drive assembly 1 of 3 62 Removal and replacement ENWW DRAFT 2 Release the tab callout 1 and then pull up to remove the cover callout 2 Figure 71 Remove the lifter drive assembly 2 of 3 ENWW Removal and replacement procedures 63 DRAFT 3 Disconnect two connectors callout 1 remove one screw callout 2 and then remove the lifter drive unit callout 3 Figure 72 Remove the lifter drive assembly 3 of 3 X Reinstallation tip Make sure that the tabs align correctly when reinstalling the litter drive assembly F ENWW 64 Removal and replacement DRAFT ITB front guide assembly ENWW Betore proceeding remove the following components ITB See Intermediate transfer belt ITB on page 19 Rightfront cover and control panel assembly See Right ront cover and control panel assembly on page 30 Left cover See Left cover on page 32 Rear cover See Rear cover on page 33 Right rear cover See Right rear cover on page 36 Top cover See Top cover on page 38 Open the front door callout 1 halfw
48. oduct Removal and replacement ENWW DRAFT Required tools 2 Phillips screwdriver with a magnetic tip and a 152 mm 6 inch shaft length Small flat blade screwdriver Needle nose pliers ESD mat or ESD strap if one is available Penlight optional A CAUTION Always use a Phillips screwdriver callout 1 Do not use a pozidrive screwdriver callout 2 or any motorized screwdriver These can damage screws or screw threads ENWW Figure 1 Phillips and pozidrive screwdriver comparison Required tools DRAFT 3 Service approach Before performing service Remove all media from the product Turn off the power using the power switch Unplug the power cable and interface cable or cables Place the product on an ESD workstation or mat or use an ESD strap if one is available If an ESD workstation mat or strap is not available ground yourself by touching the sheet metal chassis before touching an ESD sensitive part Remove the print cartridges See Print cartridges on page 5 Remove the tray cassette or cassettes After performing service Plug in the power cable Reinstall the print cartridges Reinstall the tray cassette or cassettes If the 1 x 500 sheet paper feeder or optional 3 x 500 sheet paper feeder was removed for service place the product on the feeder or feeders Engage the feeder tray locks to secure the feeder or feeders to the product Post service test Perform the following test to verify
49. oner full sensor 3 of 4 ENWW Removal and replacement procedures 71 DRAFT 72 Reinstall the residual toner full sensor 1 If the white gear callout 1 was removed with the residual toner full sensor assembly carefully remove it from the assembly i al te Wal Taa l 3 ee a 1 a i i A ehi j im kh Be F 1 a Vine s E rae Bii f 1 S ita E oe i i i es fe i J 7 p i ae b I EI d Ey i k ir Removal and replacement DRAFT ENWW 3 Install the gear on the shaft before you install the residual toner full sensor assembly Figure 84 Reinstall the residual toner full sensor 3 of 3 ian GS e Pet ENWW Removal and replacement procedures 73 DRAFT Main drive assembly Betore proceeding remove the following components e _Toner collection unit See Toner collection unit on page 9 e Formatter PCA See Formatter PCA on page 22 e Formatter case See Formatter case on page 47 e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Toner collection unit access door See Toner collection unit access door on page 34 e Right rear cover See Right rear cover on page 36 e Top cover See Top cover on page 38 e Residual toner full sensor See Residual toner full sensor on page 69 Remove the main driv
50. page 34 Removal and replacement procedures 29 Right front cover and control panel assembly 1 Open the front door and the right door 2 Remove two screws callout 1 Figure 30 Remove the right front cover and control panel assembly 1 of 3 3 Release 3 tabs callout 1 on the right side of the assembly Figure 31 Remove the right front cover and control panel assembly 2 of 3 1AA HAAAY ji Z re 30 Removal and replacement DRAFT ENWW 4 Support the assembly release one cable retainer callout 1 and then disconnect two connectors callout 2 Remove the assembly Figure 32 Remove the right tront cover and control panel assembly 3 of 3 ENWW Removal and replacement procedures 31 DRAFT Left cover 1 Remove Tray 2 from the product 2 Open the front door 3 Remove three screws callout 1 Starting from the lett side of the cover release six tabs callout 2 and then remove the cover from the product Figure 33 Remove the left cover Ee i X TIP Opening the toner collection door might make it easier to release the tabs on the lett side of the cover X Reinstallation tip f the front door will not close after the lett cover has been reinstalled verity that the two tabs on the right side of the cover have been aligned correctly with the product chassis 32 Removal and replacement ENWW DRAFT Rear cover Remove the rear cover A Remove five scre
51. pickup assembly A Use the Service menu to reset the New Registration Roller menu item and enter the Media Sensor Value trom the replacement paper pickup assembly Reset the New Registration Roller menu item b e Press the Home button Open the following menus e Device Maintenance e Service e Service Access Code Use the arrow buttons to enter the access code and then press the OK button Press the Down arrow button to highlight the New Registration Roller menu and then press the OK button Press the Down arrow button to highlight the Yes item and then press the OK button Reset the Media Sensor Value b ENWW Press the Home button Open the following menus e Device Maintenance e Service e Service Access Code Use the arrow buttons to enter the access code and then press the OK button Removal and replacement procedures DRAFT 57 d Press the Down arrow button to highlight the Media Sensor Value menu and then press the OK button Figure 65 Media sensor value label AtW e Use the arrow buttons to enter the media sensor value found on the replacement assembly f Press the OK button to save to save the value 58 Removal and replacement ENWW DRAFT Registration sensor assembly Betore proceeding remove the following components e Tray 2 cassette e Cassette separation roller assembly See Separation roller assembly Tray 2 on page 15 e Intermediate transf
52. product with four screws Install the screws in the order shown below callouts 1 to 4 Original fuser drive assembly Install but do not fully tighten four screws callouts 1 to 4 Carefully push the drive assembly to the lett toward the rightdoor side of the product until it slightly shitts forward Apply steady pressure to hold the assembly in place and then tighten the screws Figure 114 Install a replacement fuser drive assembly 2 of 3 ee v A i i 3 Replacement fuser drive assembly Release two tabs in the order shown below callouts 1 and 2 and then remove the spacer callout 3 Original fuser drive assembly Installation complete this step is not required Figure 115 Install a replacement fuser drive assembly 3 of 3 92 Removal and replacement ENWW DRAFT Fuser gear assembly Betore proceeding remove the following components e Toner collection unit See Toner collection unit on page 9 e Fuser See Fuser on page 11 e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Toner collection unit access door See Toner collection unit access door on page 34 e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 e Top cover See Top cover on page 38 e Residual toner full sensor See Residual toner full sensor on page 69 Remove the fuser gear assembly 1
53. s 121 DRAFT 4 Release one tab callout 1 and slide the formatter fan away form the sheet metal plate to remove it Figure 155 Remove the formatter fan 4 of 5 5 Release three tabs callout 1 and remove the fan callout 2 from the holder callout 3 Figure 156 Remove the formatter fan 5 of 5 122 Removal and replacement ENWW DRAFT DC controller PCA A CAUTION Do not replace the DC controller PCA and the formatter PCA at the same time The settings for the DC Controller PCA are stored in the formatter RAM When you install a new DC Controller PCA it reads the settings from the formatter Betore proceeding remove the following components e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 Remove the DC controller PCA A CAUTION ESD sensitive part 1 Disconnect 22 connectors and six flat cables on the DC controller PCA callout 1 X Reinstallation tip Two connectors callout 2 should be empty when the DC controller is reinstalled Figure 157 Remove the DC controller PCA 1 of 3 a ee ey ete ENWW Removal and replacement procedures 123 DRAFT 2 Disconnect three intermediate connectors callout 1 and then release the cables callout 3 from the cable guides callout 2 on the top and right sides of the DC controller PCA Figure 158 Remove the DC controller PCA 2 of 3 en ee fitat 3 Remove four screws callout 1 and then r
54. s near or at estimated end of life Cartridge life remaining is approximate only and varies depending on types of documents printed and other factors The product uses four colors and has a different print cartridge for each color black K magenta M cyan C and yellow Y You can replace a print cartridge when the print quality is no longer acceptable The control panel message also indicates the color of the cartridge that has reached the end of its estimated useful lite Replacement instructions are provided on the label on the print cartridge CAUTION f toner gets on clothing wipe it off with a dry cloth and wash the clothes in cold water Hot water sets toner into fabric NOTE Information about recycling used print cartridges is contained in the print cartridge box Replace print cartridges ENWW 1 Open the front door Make sure that the door is completely open Removal and replacement procedures DRAFT 5 2 Grasp the handle of the used print cartridge and pull out to remove 3 Remove the new print cartridge from its protective bag NOTE Be careful not to damage the memory tag on the print cartridge Removal and replacement ENWW DRAFT 4 Grasp both sides of the print cartridge and distribute the toner by gently rocking the print cartridge 5 Remove the orange protective cover from the print cartridge Place the protective cover on the used print cartridge to protect it during
55. shipping A CAUTION Avoid prolonged exposure to light Do not touch the green roller Doing so can damage the cartridge NOTE Store the used print cartridge in the protective bag removed from the replacement cartridge Information about recycling used print cartridges is contained in the print cartridge box 6 Align the print cartridge with its slot and insert the print cartridge until it clicks into place ENWW Removal and replacement procedures DRAFT 7 Close the front door Removal and replacement ENWW DRAFT Toner collection unit NOTE The toner collection unit TCU is designed for a single use Do not try to empty the toner collection unit and reuse it To recycle a discarded toner collection unit follow the instructions that come with a replacment toner collection unit 1 Open the TCU access door callout 1 on the product back side 2 Grasp the top of the TCU callout 2 and then remove it from the product Figure 2 Remove the toner collection unit 1 of 3 3 Remove the plug from the discard TCU Figure 3 Remove the toner collection unit 2 of 3 ENWW Removal and replacement procedures 9 DRAFT 4 Install the plug onto the discard TCU before putting it into the box and mailing it for recycling Figure 4 Remove the toner collection unit 3 of 3 10 Removal and replacement ENWW DRAFT Fuser A CAUTION The fuser might be hot Allow enough time after turning off the pro
56. t 1 release one tab callout 2 and then remove the delivery drive assembly callout 3 Figure 136 Remove the delivery drive assembly 106 Removal and replacement ENWW DRAFT Residual toner feed assembly Betore proceeding remove the following components e Intermediate transfer belt ITB See Intermediate transfer belt ITB on page 19 Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Toner collection unit access door See Toner collection unit access door on page 34 e Rightrear cover See Right rear cover on page 36 e Top cover See Top cover on page 38 e Toner cover See the first step of Residual toner full sensor on page 69 Remove the residual toner feed assembly 1 Release one tab callout 1 by pulling the tab up If necessary use a small flat blade screwdriver to pull the tab up Remove the shutter callout 2 and then pull the spring callout 3 off the assembly NOTE There might be a piece of transparent tape over the tab callout 1 Remove the tape to release the tab Figure 137 Remove the residual toner teed assembly 1 of 2 ENWW Removal and replacement procedures 107 DRAFT 2 Remove two screws callout 1 and then remove the residual toner teed assembly callout 2 E NOTE When removing the residual toner teed assembly callout 2 make sure that the assembly does not separate from the toner auger This can spill toner in the product To reduce
57. t the product Figure 42 Remove the front door assembly 1 of 4 40 Removal and replacement ENWW DRAFT 4 Close the inner cover and then release two tabs on each stopper callout 1 with a small tlat blade screwdriver Figure 44 Remove the front door assembly 3 of 4 E NOTE Each tab is at the end of the stopper that is closest to the product ENWW Removal and replacement procedures 4 DRAFT 5 Position the door as shown below and then slide the front door assembly in the direction that the arrow indicates to remove it from the product Figure 45 Remove the front door assembly 4 of 4 ENWW 42 Removal and replacement DRAFT Right door assembly Remove the following components e Rear cover see Rear cover on page 33 e Right rear cover see Right rear cover on page 36 1 Open the rightdoor assembly 2 Remove one screw callout 1 release the link arm callout 2 and then disconnect two connector callout 3 E NOTE The link arm is spring loaded and retracts into the product Figure 46 Remove the right door assembly 1 of 6 n m il i n _ ia lt SS ei 0 na h ne rip e m IA alg on TT a Org A ms 1 ENWW Removal and replacement procedures 43 DRAFT 44 Removal and replacement 3 Carefully release one tab callout 1 and then remove the cable cover callout 2 Figure 47 Remove the right door assembly 2 of 6
58. t the right door link arm shaft callout 1 aligns with and is positioned in the hole callout 2 on the arm on the drive assembly and that the pins on the assembly callout 3 are positioned in the holes in the link arms on the chassis callout 4 Figure 103 Install the main drive assembly 2 of 8 zen y 3 Install one screw callout 1 EY NOTE Do not fully tighten this screw Figure 104 Install the main drive assembly 3 of 8 ENWW Removal and replacement procedures 85 DRAFT 4 From the top of the product look at each shutter arm Make sure that they are in the closed position callout 1 If they are in the open position callout 2 carefully push on the shutter to close them Figure 105 Install the main drive assembly 4 of 8 5 Make sure that the six sheet metal screw tabs callout 1 on the drive assembly are flat against the product chassis NOTE If the tabs are not flat against the chassis the developer disengagement drive gears and cams on the back side of the drive assembly are not properly aligned with and seated in the corresponding holes on the product Remove the drive assembly realign it and then reinstall it See Figure 103 Install the main drive assembly 2 of 8 on page 85 Figure 106 Install the main drive assembly 5 of 8 86 Removal and replacement ENWW DRAFT 6 With the drive assembly correctly installed verify the following e Open and close the front door T
59. that the repair or replacement was successful Print quality test 1 Verify that you have completed the necessary reassembly steps 2 Make sure that the tray contains clean unmarked paper 3 Attach the power cord and interface cable or interface cables and then turn on the product 4 Verify that the expected startup sounds occur 5 Print a configuration page and then verify that the expected printing sounds occur 6 Print a demo page and then verity that the print quality is as expected 7 Send a print job from the host computer and then verify that the output meets expectations 8 f necessary restore any customer specified settings 9 Clean the outside of the product with a damp cloth Removal and replacement ENWW DRAFT Removal and replacement procedures EY NOTE The following assemblies are Customer Self Repair CSR components Go to Covers on page 28 or Main assemblies on page 47 for information about removing service assemblies Print cartridges A A A When a print cartridge approaches the end of its estimated useful life the control panel displays a message recommending that you order a replacement The product can continue to print using the current print cartridge until the control panel displays a message instructing you to replace the cartridge unless you have selected the option to override the message by using the Supply Settings menu NOTE Cartridge life remaining is used to determine if a supply i
60. the risk of such an incident pull the assembly in the direction indicated by the arrow Figure 138 Remove the residual toner teed assembly 2 of 2 P E 7 gt l Fi ENWW 108 Removal and replacement DRAFT ITB motor M1 Betore proceeding remove the following components e _Toner collection unit See Toner collection unit on page 9 e Toner collection unit access door See Toner collection unit access door on page 34 e Rear cover See Rear cover on page 33 e Right rear cover See Right rear cover on page 36 Remove the ITB motor 1 Disconnect all of the cables and FFCs from the DC controller release the cables from the guides remove six screws callout 1 and then remove the DC controller and the DC controller support Figure 139 Remove the ITB motor 1 of 2 F J i i P ten 3 i t die P T s y ra a x ka p T 4 i es ENWW Removal and replacement procedures 109 DRAFT 2 Disconnect one connector callout 1 remove four screws callout 2 and then remove the motor callout 3 Figure 140 Remove the ITB motor 2 of 2 De o ee aye 110 Removal and replacement ENWW DRAFT Drum motor M2 Betore proceeding remove the following components Toner collection unit See Toner collection unit on page 9 Rightfront cover and control panel assembly See Right ront cover and control panel assembly on page 30 Left cover See Left cover on page 32 Rear cov
61. ure 163 Remove the imaging developing high voltage power supply 128 Removal and replacement ENWW DRAFT First transfer high voltage power supply Betore proceeding remove the following components e Toner collection unit See Toner collection unit on page 9 e Rightfront cover and control panel assembly See Right front cover and control panel assembly on page 30 e Left cover See Left cover on page 32 e Rear cover See Rear cover on page 33 e Toner collection unit access door See Toner collection unit access door on page 34 e Right rear cover See Right rear cover on page 36 e Top cover See Top cover on page 38 e Toner cover See the first and second steps of Residual toner full sensor on page 69 Remove the first transfer high voltage power supply A ENWW CAUTION ESD sensitive part 1 Remove one screw callout 1 release three tabs callout 2 and then slide the power supply off the alignment post callout 3 a Figure 164 Remove the first transfer high voltage power supply 1 of 2 Removal and replacement procedures DRAFT 129 2 Disconnect one connector callout 2 and then remove the first transter high voltage power supply PCA callout 1 Figure 165 Remove the first transfer high voltage power supply 2 of 2 s Reinstallation When you reinstall the power eek PCA look through the holes on the PCA callout 1 and make sure that the contact springs are corre
62. ws callout 1 and then remove the cover from the product Figure 34 Remove the rear cover EE T Removal and replacement procedures 33 ENa DRAFT Toner collection unit access door 1 Open the toner collection unit access door callout 1 remove the toner collection unit and then release the link arm callout 2 on the left side of the door Figure 35 Remove the toner collection unit access door 1 of 3 yr Ree F 2 Partially close the door so that the link arm callout 1 can clear the stop callout 2 on the door and then disengage the link arm from the door A CAUTION Do not disconnect the right hand link arm when the door is completely open Doing so can disconnect the link arm spring Figure 36 Remove the toner collection unit access door 2 of 3 E 5 maS 34 Removal and replacement ENWW DRAFT 3 Rotate the access door down 90 degrees and then pull on the right side of the door to remove the access door Figure 37 Remove the toner collection unit access door 3 of 3 ENWW Removal and replacement procedures 35 DRAFT Right rear cover 1 Remove the rear cover See Rear cover on page 33 2 Open the right door assembly 3 Remove two screws callout 1 release one tab callout 2 and then remove the cover A CAUTION The ground spring on the back of the cover can easily be dislodged Be careful not to lose it See Reinstall the rightrear cover on page 37 Figure 38 Remov

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