Évaluations - 4, GPA: 4.3
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Facilité d'utilisation
Refer to the parts reference list. Paper cassette Paper pick-up roller Taptite, TORX pan M3x8 Cassette cover film Grease: Molykote PG-662 (1 rice-grain size) Paper cassette cover Paper cassette CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-6 (5) Keeping the paper cassette upside down, release the pressure roller holder assembly from the cassette by releasing the metal mounting plate from the plastic retaining boss. Use a flat screwdriver to press the metal plate forwards until it clears the boss and then remove the pressure roller holder assembly downwards from the cassette. (6) Remove the cassette pressure roller from the assembly, then remove the pressure roller shaft from the pressure roller. (7) Remove the sponge holder ASSY from the holder. The two sponge holder springs will also come off. Fig. 4-7 (8) Keeping the paper cassette upside down, remove the two M2.6x5 Taptite screws. (9) Unhook the catches of each side guide, then press the lock lever towards the front of the cassette to release the pressure plate. Fig. 4-8 Cassette pressure roller Pressure roller holder Paper cassette Taptite, cup M2.6x5 Taptite, cup M2.6x5 Side guide rack Pressure roller shaft (catches) Sponge holder ASSY Lock lever Sponge holder springs Paper cassette (Back side) Pressure roller holder Flat screwdriver Step (9) Side guide L Side guide rack Side guide L CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-7 (10) Turn the cassette the correct way up and slide the two paper guides to the center of the cassette. (11) Remove the side guides Left and Right from the paper cassette. Fig. 4-9 (12) Unhook the two catches (A) of the pressure plate while pulling the plastic frame outwards, then unhook the other two catches (B) of the plate while pulling the plastic frame outwards to remove the pressure plate ASSY. (13) Unhook the pressure plate spring from the plastic hook to remove the two pressure plate springs. Fig. 4-10 Pressure plate ASSY Pressure plate spring Paper cassette (hook) Plastic frame Step (12) Step (13) (catches (A)) Step (12) (catch (B)) Side guide L Side guide R Paper cassette . . CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY NOTE: When re-assembling the pressure plate ASSY, ensure that the paper indicator arm is under the pressure plate. ! CAUTION: When unhooking the catches to remove the pressure plate, do not bend the pressure plate, gently ease the plastic cover. If the pressure plate is deformed, paper feeding problems may occur. (14) Remove the release lever extension spring. (15) Unhook the two catches and rotate the lock lever to remove it downwards from the cassette. Release lever extension spring Paper cassette Lock lever Fig. 4-11 NOTE: When re-assembling the lock lever, insert it upwards from underneath the cassette and rotate it until the two catches lock into place.. (16) Slide the rear paper guide fully forwards in the cassette and remove it from the slot. Paper cassette Rear paper guide . . . Fig. 4-12 4-8 CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-9 (17) Turn the cassette upside down and remove the one M3x8 Taptite screw to remove the side guide gear. Then remove the one friction spring. (18) Remove the two side guide racks. (19) Remove the paper indicator. Fig. 4-13 NOTE: • When re-assembling the side guide racks, they should both be aligned so that the wide end of the racks are in line with the inside edge of the paper guide release slots in the cassette before refitting the spring and gear. • When replacing/re-assembling the paper cassette, remove the old grease and apply a suitable amount of grease onto both sides of the paper cassette referring to the figure below; Fig. 4-14 Taptite cup M3x8 Side guide gear Friction spring Side guide rack Grease: Molykote PG-662 (1 sesame size) Side guide rack Paper indicator . . Step (19) . . . Grease: Molykote PG-662 (1 sesame size) Paper cassette CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 3.4 Network Board (for HL-1270N only) (1) Open the rear cover. (2) Remove the two M3x8 Taptite screws to remove the access cover. Rear cover Access cover Taptite, bind M3x8 Fig. 4-15 (3) Remove the two M3x6 Taptite screws securing the network board. (4) Disconnect the connector connected with the main PCB and remove the network board. Network board Taptite, cup M3x6 Fig. 4-16 4-10 CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-11 3.5 Front Cover (1) Open the front cover. (2) Remove the four M3x8 Taptite screws from the main cover. Fig. 4-17 (3) Position the front cover at the angle of 45 degrees and release the bosses at the right and left hand sides and the link at the left hand side. (4) Remove the front cover. Fig. 4-18 Front cover Taptite, bind M3x8 Taptite, bind M3x8 Front cover Front cover Link 45° (boss) (boss) Main cover . . . Step (3) CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-12 3.6 Top Cover (1) Remove the two M3x10 Taptite screws securing the top cover. (2) Release the hooks on either side of the top cover from the bosses on the main cover by pulling the top cover forwards. Fig. 4-19 (3) Open the rear co...
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