Sharp AR-M280U Service Manual
Sharp AR-M280U Service Manual

Sharp AR-M280U Service Manual

Laser printer
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[1] INTRODUCTION
These models are a modified version of the AR-M350U/M350N, providing a different printing speed.
This Service Manual, therefore, describes only the different points from the AR-M350U/M350N and supplementary items.
For items which are not described in this Service Manual, refer to the following Service Manuals and Parts Guides.
•AR-M350/M450
•AR-P350/P450
•AR-M350U/N•AR-M450U/N
•AR-NC5J
Note: Depending on the option, additional service documentation may be required.
[2] LIST OF DIFFERENCES FROM AR-M350U/N
A.Product composition
Base Engine
Print Speed
Multi Function Controller
Multi Function Controller(for U-Model)
Print Server Card
Printer Extension Kit
Hardware
MFP-ROM
*1: Installation of the AR-P14 on U-series machines provides functions equivalent to the M-series machines.
Parts marked with "
To maintain the safety and performance of the machine, use only the replacement parts specified.
MODEL
Service Manual : 00ZARM350/A1E
Service Manual : 00ZARP350/A2E
Service Manual : 00ZARM350UA1E
Service Manual : 00ZARNC5J/A1E
Model Name
Network Printer Option Model
AR-M350U
35ppm
AR-M11
Not Available
Standard
AR-NC5J
Option
AR-P14
Option
Only U-type
35/45ppm
" are important for maintaining the safety of the machine.
SHARP CORPORATION
CODE : 00ZARM280UA1E

LASER PRINTER

AR-M280U/M280N
Parts Guide : 00ZARM450/P1E
Parts Guide : 00ZAR350LPP1/
NIC Standard Model
AR-M280U
AR-M350N
28ppm
35ppm
Not Available
Standard
Standard
Not Available
Option
Standard
Option
Standard
Only U-type
Only M-type
28ppm
35/45ppm
This document was been published to faciliate
after sales service only.
The contents are subject to change without notice.
Circuit Diagram : 00ZARM350/C1/
Circuit Diagram : 00ZARP350/C1/
Note
AR-M280N
28ppm
Standard
Not Available
No registered
as a product
Standard
Standard
*1
Only M-type
28ppm

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Summary of Contents for Sharp AR-M280U

  • Page 1: Laser Printer

    CODE : 00ZARM280UA1E LASER PRINTER AR-M280U/M280N MODEL [1] INTRODUCTION These models are a modified version of the AR-M350U/M350N, providing a different printing speed. This Service Manual, therefore, describes only the different points from the AR-M350U/M350N and supplementary items. For items which are not described in this Service Manual, refer to the following Service Manuals and Parts Guides.
  • Page 3: Standard

    • Scanner Rack(AR-RK1) MFP model (45ppm) AR-M450 • Stand/MPD&2000 sheet paper drawer (AR-D13) or Three MFP model (28ppm) (Without network printer function) AR-M280U paper drawer stand (AR-D14) MFP model (35ppm) (Without network printer function) AR-M350U • Power supply unit (AR-DC1)
  • Page 4: List Of Combination Of Peripheral Devices

    = Must be installed for installation of the stand/3 x 500 sheet paper drawer or the stand/MPD & 2000 sheet paper drawer. = Cannot be installed together. = Standard = AR-DU4 Standard = Attachment of the AR-P14 provides the similar functions. = Not Available AR-M280U CONFIGURATION 3-2...
  • Page 5 = Any of the units must be installed together. = Must be installed for installation of the stand/3 x 500 sheet paper drawer or the stand/MPD & 2000 sheet paper drawer. = Cannot be installed together. = Standard = AR-DU4 Standard = Cannot be attached. AR-M280U CONFIGURATION 3-3...
  • Page 6: Basic Specification

    Approx.100kg *1 printable area will be smaller. The actual printable area depends on the printer driver to be used. With B/W scanner module/DSPF, Scanner rack, Large capacity paper feed desk, Power supply unit and Upper exit tray extension AR-M280U SPECIFICATIONS 4-1...
  • Page 7 (3) PDL emulation Resident font 45 fonts 136 fonts 136 fonts*6 35 fonts PCL6, PCL5e compatible, Download font Bitmap Bitmap Bitmap PostScript Level 2, PostScript 3 compatible TrueType, Type1 Type1 (PS3 expansion kit is required.) Graphic TrueType TrueType AR-M280U SPECIFICATIONS 4-2...
  • Page 8 (in conjunction with those of FAX) Sequential Available broadcasting (E-mail only. It is not available for FTP/Desktop.) Simultaneous FAX Available transmission (Specifying multiple destinations of FAX, E-mail or FTP and broadcasting by a single scan) O : Available AR-M280U SPECIFICATIONS 4-3...
  • Page 9 Copy ratio AB series : 25%, 70%, 81%, 86%, 100%, 115%, 122%, 141%, 400% Inch series : 25%, 64%, 77%, 100%, 121%, 129%, 400% Zoom 25 - 400% 25 - 200% (Copy from DSPF) Independent Not provided scaling AR-M280U SPECIFICATIONS 4-4...
  • Page 10: Supply System Table

    Note1: Print on Master/individual carton:Toner/Developer in 2 languages (English/French), DR in 4 languages (English/French/German/Spanish). Note2: Packed with machine: DR 80K/Developer UN/Process UN Note3: The other maintenance parts which are not listed above are registered as service parts. AR-M280U CONSUMABLE PARTS 5-1...
  • Page 11: Production Number Identification

    Indicates the production day. Numeral figure or X, Y, Z Indicates the production month. X stands for October, Y November, and Z December. Lot No. Location Temperature (Without dew condensation) Lot No. Location Heat seal Aluminum bag AR-M280U CONSUMABLE PARTS 5-2...
  • Page 12 2 digit : [ S ] Flange assembly direction Painting upper limit : F side Painting upper limit : R side Color band on Drum Green Silver White paint mark 100k (80k) drum Silver 50k drum Green AR-M280U CONSUMABLE PARTS 5-3...
  • Page 13 When installing a controller board, a facsimile unit, and other electric devices, be sure to install them one at a time. Only off center adjustment is needed for AR-DU3. When installing an option, refer to the Service Manual for that option and or the AR-M350 / M450 Service Manual. AR-M280U UNPACKING AND INSTALLATION 6-1...
  • Page 14 This installation procedure is provided for use with the from the main unit. AR-M280U / M280N and AR-M350U / M450U series. To connect this machine to a network, a Print Server Card (NIC) AR- NC5J must be installed to the multi-function controller board in advance.
  • Page 15 (When test printing is completed successfully, use the "list print" key operator program to print the network settings and keep the printout for future reference.) Installation of AR-P14 is now complete. AR-M280U UNPACKING AND INSTALLATION 6-3...
  • Page 16 Paper feed roller SPF Other Sensors For cleaning, blow air. Finish stamp section Stamp solenoid [Option] Stamp individual part User replacement (Japan only) at 10K or 1 year. Note 1: Replacement reference: Same as above or 2 years. AR-M280U MAINTENANCE 7-1...
  • Page 17 Paper dust remover Drive section Gears (Specified position) Belts Image quality Other Sensors Note 2: Replacement reference: Use the counter value of each paper feed port as the replacement reference. Paper feed roller/Torque limiter section: 80K or 2 years AR-M280U MAINTENANCE 7-2...
  • Page 18 Staple cartridge User replacement for every 5000 pcs. Note 3: Replacement reference: Use the counter value of each paper feed port as the replacement reference Paper feed roller / Torque limiter section: 80K or 2 years AR-M280U MAINTENANCE 7-3...
  • Page 19: Process Section

    •When the void quantity is changed by the paper feed tray. •When paper is skewed. DESK Complete the following adjustments before performing resist quantity 28/35PPM setup. •LSU right angle adjustment •Print magnification ratio adjustment DESK •Print off-center setup •Void area setup AR-M280U ADJUSTMENTS 8-1...
  • Page 20 Maintenance display at the cycle of each control spec. Maintenance display at 5K Maintenance display at 10K Maintenance display at 25K Maintenance display at 50K Maintenance display at 80K No maintenance display Maintenance display at 100K Maintenance display at 20K Maintenance display at 40K AR-M280U SIMULATIONS 9-1...
  • Page 21 7 Vb2-2 *4 Vb (Developing bias correction value) correction quantity (Second rotation) 2 (0 - 50V : Default 15) 8 Vb2-3 *4 Vb (Developing bias correction value) correction quantity (Second rotation) 3 (0 - 50V : Default 15) AR-M280U SIMULATIONS 9-2...
  • Page 22 (ABOVE +10: DUPLEX MODE) 1. AE <List of set values> Initial value Set range Auto exposure mode 45PPM 100 - 150 (45PPM) 35/28PPM 76 - 150 Text mode 45PPM (28/35PPM) 35/28PPM Text/Photo mode 45PPM 35/28PPM Photo mode 45PPM 35/28PPM AR-M280U SIMULATIONS 9-3...
  • Page 23 Press [CUSTOM SETTING] key or [START] key. SIMULATION 61-4 LASER POWER SETTING (PRINTER). INPUT VALUE 1-165, AND PRESS START. 1. PRINTER <List of set values> Initial value Set range PRINTER 45PPM 100 - 150 (45PPM) 28/35PPM 76 - 150 (28/35PPM) AR-M280U SIMULATIONS 9-4...
  • Page 25: Table Of Contents

    PARTS GUIDE LASER PRINTER (MULTI FUNCTION) AR-M280N AR-M280U MODEL CONTENTS 1 Exteriors 2 Left door unit 3 PS roller unit 4 TC unit 7 Fusing unit 8 Delivery turn over unit 9 MC unit F Process unit G Developer unit...
  • Page 26: Exteriors

    DEFINITION The definition of each Rank is as follows and also noted in the list A: Parts necessary to be stocked as High usage parts. B: Parts necessary to be stocked as Standard usage parts. C: Low usage parts. D: Parts necessary for refurbish. E: Unit parts recommended to be stocked for efficient after sales service.
  • Page 27: Delivery Turn Over Unit

    Delivery turn over unit PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK N F A N P 0 0 6 9 F C Z Z P G I D M 1 8 9 6 F C Z 1 Paper exit upper PG L D A I U 0 6 2 6 F C Z 2 Paper exit follower roller fixing plate N B L T H 0 3 2 7 F C Z 1...
  • Page 28: G Developer Unit

    Developer unit PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK L P L T M 6 0 2 2 F C Z Z M4 plate P M L T - 1 2 4 1 F C Z 1 DV-BOX cushion P M L T - 1 2 4 4 F C Z 1 Docter cushion R P M L T - 1 2 9 6 F C Z Z...
  • Page 29: Rear Frame Section

    Rear frame section 1 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK N F A N P 0 0 6 9 F C Z Z X H B S E 4 0 P 0 8 0 0 0 Screw(4×8) P S H E Z 4 8 7 4 F C Z 1 LSU cleaning sheet R P S H E Z 4 8 7 3 F C Z 1 LSU cleaning sheet F...
  • Page 30: Npcu Pwb Unit

    PCU PWB unit PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK Q C N C M 0 6 7 0 F C Z Z Connector(5pin) [CN17] Q C N C M 0 8 7 8 F C Z Z Connector(30pin) [CN12] Q C N C M 0 9 2 3 F C 2 4 Connector(24pin)
  • Page 31: P Mother Board

    PCU PWB unit PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK V H P 1 L H E E - 0 0 2 A LED (Red)(1LHEE-002A) [LED1] V H V I C P S 1 . 2 / - 1 IC protecrot(ICPS1.2) [ICP1] Resistor(1/4W 910Ω...
  • Page 32 MFP Control PWB (ARM280N) PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK Q C N C W 1 1 4 9 F C Z Z Connector(8AL068S305C) [CN8] Q F S - D 1 3 2 C Q C Z Z Fuse(1.25/250T) [F1] Q F S H B 0 0 2 8 F C Z Z...
  • Page 33: Wstd Control Pwb (Arm280U)

    MFP Control PWB (ARM280N) PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK V H I S D 4 M 1 6 L 1 - 1 IC(SD4M16L1) [IC22] V H I S D 8 M 1 6 L 1 - 1 IC(SD8M16L1) [IC4,5,6,7,27] V H I S R 1 0 2 4 - 7 L L...
  • Page 34 STD control PWB (ARM280U) PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK R C R U A 0 0 0 9 F C Z Z Crystal(66.666MHZ) [X3] R C R U A 0 0 1 2 F C Z Z Crystal(66.666MHz)Åi5VLLLÅj [X1] R C R U A 0 0 1 4 F C Z Z...
  • Page 35 STD control PWB (ARM280U) PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK Resistor(1/16W 0Ω ±5%) V R S - C Z 1 J D 0 0 0 J [R106,108,120,141,166] Resistor(1/16W 0Ω ±5%) V R S - C Z 1 J D 0 0 0 J [R198,220,222,225,229] Resistor(1/16W 0Ω...
  • Page 36 Index PRICE PART PARTS CODE RANK MARK RANK QCNCM1069ACZZ PRICE PART PARTS CODE QCNCM1143FCZZ RANK MARK RANK QCNCM1144FCZZ QCNCM1146FCZZ CDSKA0005FC39 17- 12 " CHLDZ1473DS51 10- 501 CPLTM6048DS51 QCNCM1175FCZZ CPNLH0020QS41 QCNCM1182FCZZ 1- 26 " CPNLH0020QS42 1- 26 QCNCM1183FCZZ CPWBN1515FCE2 15- 26 "...
  • Page 37 PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK VHI74LCX32MTC 27- 46 TCADZ1521FCZ1 VHI74LVX16128 26- 47 TINSE2288FCZZ " 17- 20 27- 47 TINSE2290FCZZ VHI74VHCT240X 17- 20 18- 63 TINSE2292FCZZ VHI74VHCT244X 17- 20 18- 64 TINSE2294FCZZ VHI90LV17AW-1 17- 20 26- 48...
  • Page 38 PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK VRD-HT2HY242J XBPSD30P06000 18- 68 12- 47 VRD-HT2HY471J XHBSE30P06000 18- 69 12- 50 VRS-CZ1JD000J XHBSE40P08000 18- 70 " 26- 78 " 27- 78 VRS-CZ1JD100J 26- 79 " 27- 79 VRS-CZ1JD101J 18- 71...
  • Page 39 CAUTION FOR BATTERY DISPOSAL (For USA,CANADA) Contains lithium-ion battery. Must be disposed of properly. Remove the battery from the product and contact federal or state environmental agencies for information on recycling and disposal options.
  • Page 40 COPYRIGHT 2002 BY SHARP CORPORATION All rights reserved. Printed in Japan. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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Ar-m280n

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