虹光AM-6200维修手册.pdf

am6220 service manual am6220 service manual ii contents 1. introduction1-1 1.1 service notes .1-1 1.2 general description1-2 1.3 features1-2 2. specifications .2-1 2.1 am6220 mfp specifications 2-1 2.1 am6220 mfp specifications .2-1 2.2 am6220 printer specifications.2-6 3. theory of operation.3-1 3.1 introduction3-1 3.2 main control unit.3-2 3.2.1 system diagram3-2 3.2.2 am6220 mfp main control circuit.3-4 3.2.3 video circuit: 3-6 3.2.4 panel and lcd module circuit3-9 3.2.5 sensor input.3-10 3.2.6 sub power supply circuit3-10 3.2.7 power supply3-11 4. troubleshooting4-1 4.1 am6220 mfp troubleshooting flowchart4-2 4.1.1 power on to am6220 ready 4-2 4.1.2 copy operation4-3 4.1.3 email operation4-4 4.1.4 contorl panel operation4-5 4.2 tables .4-6 4.2.1 lcd does not display 4-7 4.2.2 printer does not react4-8 4.2.3 scanning is not performed4-9 am6220 service manual iii 4.2.4 printer does not print .4-9 4.2.5 image unclear.4-10 4.2.6 noise generated4-10 4.2.7 lcd does not show message after command4-11 4.2.8 am6220 is not connected to the network.4-12 4.2.9 am6220 cannot send email4-13 4.3 am6220 printer troubleshooting flowchart .4-17 4.3.1 precautions before troubleshooting.4-17 4.3.2 precautions before handling an abnormal image.4-17 4.3.3 precautions upon handling an abnormal image.4-17 4.3.4 preparing for troubleshooting.4-17 4.3.5 troubleshooting procedure.4-18 4.3.6 lcd message list4-18 4.3.7 fuse checking4-55 5. preventive maintenance5-1 5.1 cleaning the document glass.5-1 5.2 cleaning the adf.5-2 5.3 cleaning the adf.5-3 5.4 replacing the adf pad.5-4 6. disassembly6-1 6.1 service tools .6-3 6.2 lubricants6-4 6.2.1 mechanical unit lubrication .6-4 6.3 procedure for disassembly and reassembly 6-6 6.3.1 notes on disassembly.6-6 6.3.2 adf(auto document feeder) unit removal.6-7 6.3.3 control panel pcba removal6-10 6.3.4 document cover.6-12 6.3.5 upper housing.6-13 6.3.6 main control board assembly 6-15 6.3.7 motor belt.6-16 am6220 service manual iv 6.3.8 optical chassis6-17 6.3.9 ccfl inverter pcba6-19 6.3.10 lamp assembly6-20 6.3.11 motor unit.6-21 6.4 am6220 printer part replacement procedures6-22 6.4.1 left side cover6-22 6.4.2 right side cover .6-23 6.4.3 face-up tray6-24 6.4.4 rear cover6-25 6.4.5 led assy / led assy springs .6-26 6.4.6 top cover assy.6-27 6.4.7 top cover.6-28 6.4.8 controller panel assy6-29 6.4.9 board prp / top cover handle.6-30 6.4.10 low-voltage power unit/id fan /low-voltage fan /hopping motor/fuser motor.6-31 6.4.11 board-prt6-32 6.4.12 guide - eject assy / color registration assy / board-prm .6-33 6.4.13 fan (fuser) / belt motor / high voltage power supply board / cover open switch6-34 6.4.14 multipurpose tray (mpt) assy6-36 6.4.15 feeder unit/board-rsf/multipurpose tray (mpt) hopping roller/multipurpose tray (mpt) frame separator / cover-front6-37 6.4.16 main motors / solenoid / paper-end sensor.6-39 6.4.17 feed roller .6-41 6.4.18 shaft eject assy (fu) / shaft eject assy (fd) / eject sensor.6-42 6.4.19 fuser unit.6-43 6.4.20 belt unit.6-44 7. parts .7-1 7.1 spare parts list .7-1 appendix a interface specifications7-1 am6220 service manual 1-1 1. introduction 1.1 service notes 1.2 general description 1.3 features this manual is intended to be used by the maintenance engineers. it describes areas to be maintained, the detailed installation steps, the component replacement procedures, and the main trouble shooting guides. before serving the unit, read this manual thoroughly to obtain comprehensive knowledge about avision am6220. 1.1 service notes (1) before trying to disassemble the am6220, make sure the power supply cord of the am6220 is disconnected from the power outlet. under any circumstance, do not remove from or install the pwbs or connectors onto the am6220 with the power switch turned on. (2) be careful not to drop small parts or screws inside the unit when disassembling and reassembling it. if left inside, they might cause the malfunction of the unit. (3) do not pull the connector cable when disconnecting it. hold the connector. (4) when carrying pwbs or the scanning head unit, put it in an anti- static bag. (5) keep the document table glass surface always clean. if contaminated, the glass surface should be cleaned with a dry clean cloth. (6) be careful not to injure your fingers or hands while disassembling or reassembling the unit. 1-2 1.2 general description avision is pleased to introduce its latest innovation, the am6220, to offer business professionals a fast and cost- effective way to transmit paper documents electronically over the intranet and internet. with the speed and low cost of e-mails, the am6220 significantly increases productivity and reduces the cost on document distribution. connecting to a supplied printer, the am6220 is able to perform digital copying. through the intranet with ftp, http, or cifs protocol, the am6220 allows you to send digital document directly to a designated server or personal computers file folder. the innovation provides business users with a cost-saving way to upgrade office equipments to digital ones and makes good use of the corporate intranet to maximize work efficiency. 1.3 features digital copying: connected to a supplied printer, the am6220 becomes a digital copier. with an intuitive control panel, making digital copy becomes fast and easy. scan to e-mail: connected to an ethernet network and a smtp server, the am6220 allows you to transmit document(s) over the internet via email. with a touch of the e-mail button and the selection of your recipients e - mail addresses, the document(s) is first scanned and converted into an image file, and then transmitted to remote recipients within minutes. scan to filing: through the intranet with ftp, http, or cifs protocol, the am6220 allows you to put document directly to a designated server or personal computers file folder in one of these compressed formats, pdf, tiff, and jpeg. batch delivering: the am6220 allows a batch of 50 page document(s) to be continuously scanned and delivered at one time in reliable quality to increase your efficiency. network and pc printing the am6220 is able to perform network or pc printing since it is installed in a network environment. remotely managing the address and profile book when you type the machines ip address in the url field of your browser, the avision java-manager allows you to remotely and safely managing the settings of am6220 by entering a password for the administrator. am6220 service manual 2-1 2. specifications 2.1 am6220 mfp specifications 2.2 am6220 printer specifications 2.1 am6220 mfp specifications items specifications general specifications system description multifunction scan station memory size flash: 2.5 mbytes scan buffer: 64mb dsp buffer: 64mb main memory: 64mb lcd size text, 24x2, mono led indication power saving warning power external connections rj-45 (for network connection) adf port usb 2.0 host (to printer) usb 2.0 device (to pc) network connection 10/100 mbits auto-negotiation dimension 444x373x372(mm) weight 6.2 kgs (with adf) 2-2 power source input: 100240v, 5060 hz output: 24v dc, 2.09a power consumption working ) cleaning 6 digital voltmeter with 0.01 v range 7 oscilloscope 100 mhz or more with external sweep 8 blower cleaning table 6.2 service tools 6-4 6.2 lubricants this section describes the items to check and the places to lubricate when maintenance parts are replaced. 6.2.1 mechanical unit lubrication this lubrication method: 1 - a - c - y 1. positions need to be lubricated: the positions need to be lubricated is indicated in numbers. 2. lubricant type: a: shell alvania grease no. 2 b: shell terrace oil 46 3. amount of lubricant: c: coat thinly uniformly 4. lubrication cycle: y: every year table 8.2 below shows the position to be lubricated. lubrication position lubricant type lubricant amount lubrication cycle lubrication position 1 b c y sliding rod 2 a c y sliding frame table 6.3 positions need to be lubricated (show in number) lubricant type amount of lubricant lubrication cycle am6220 service manual 6-5 figure 6.1 positions need to be lubricated 2 sliding frame 1 sliding rod 6-6 6.3 procedure for disassembly and reassembly 6.3.1 notes on disassembly (1) clean the disassembly and assembly location. (2) disconnect the power cable and remove the ac plug from the outlet before disassembly and assembly. (3) follow the disassembly and assembly procedures. never loosen the screws of parts that must not be disassembled. (4) store the disassembled parts in a clean place to avoid loss. (5) after replacement, check the contacts and spare part mounting. (6) assemble the parts in reverse order of disassembly procedure. am6220 service manual 6-7 6.3.2 adf(auto document feeder) unit removal (1). hold two ends of the paper tray and lift the tray to remove it from the machine. (2). push the front cover outwards and remove the fixing screws. (3). raise the document cover and then remove the adf screw fixed on the document cover. (4). enter the adf holes at the rear of the adf unit with a flat screwdriver to loose the connection as illustrated below. paper tray adf unit fixing screws 6-8 screw adf holes am6220 service manual 6-9 (5). push the rear cover of the adf unit outwards as shown below. (6). disconnect all the cables. you can pull the adf unit out now. note: please keep the screws after disassembly and follow the reverse order to reassemble the adf unit. rear cover of the adf unit 6-10 6.3.3 control panel pcba removal (1). turn the machine over and remove the screw fixed beneath the bottom. (2). turn the machine back its normal position. gently move the control panel assembly toward yourself to remove it from the machine. (3). disconnect the flat cable by gently moving it out from the connector. cover of the control panel flat cable fixing screw am6220 service manual 6-11 (4). pull the control panel assembly from the cover. (5). remove the screws fixed on the control panel board, pcba. screws (8 pcs) 6-12 6.3.4 document cover (1). as shown in the figure below, lift the document cover to remove the studs from the hinge holes. the studs are loosely attached to the hinge holes in the purpose to cover your original when it is a few inches high. document cover removal note: before reinstalling the document cover, clean the document cover first. document cover am6220 service manual 6-13 6.3.5 upper housing (1) remove the document cover as described in the preceding section 6.3.4. (2) remove the rubber cover and the screws beneath the cover. (3) remove the control panel assembly as described in the preceding section 6.3.3. (4) loosen the screws fixed on the bottom housing of the control panel. (5) as illustrated below, push the bottom housing toward yourself to detach it from the machine. rubber cover bottom housing of the control panel fixing screws 6-14 (6). lift the upper housing gently to remove it from the bottom housing. upper housing removal note: 1. before reinstalling the upper housing, clean the glass surface. 2. please keep the screws and follow the reverse order to reassembly the upper housing. upper housing am6220 service manual 6-15 6.3.6 main control board assembly (1) turn the machine over. loosen six screws fixed on the metal cover from the bottom housing. (2) pull the rear panel up as illustrated below. (3) loosen the flat cable and the screws on the metal cover. figure 8.4 main control pcba removal metal cover flat cable screws the rear panel screw (5 pcs) 6-16 6.3.7 motor belt (1) remove upper housing and main control pcba. (see preceding section 6.3.5 and 6.3.6) (2) move the optical chassis to the end as illustrated below. (3) detach the belt spring as illustrated below. (4) detach the end of the belt from the machine to remove the belt. belt removal note: during the reinstalling process, be sure to keep the belt straight from losing tension. motor belt optical chassis belt spring am6220 service manual 6-17 6.3.8 optical chassis disassembling procedure (1) remove the upper housing. (see section 6.3.5 ) (2) remove the main control pcba. (see section 6.3.6) (3) remove the motor belt. (see section 6.3.7) (4) lift the left end of the sliding rod and then pull it out gently as illustrated below. optical chassis slide rod 6-18 (5) remove the flat cable of the optical chassis. optical chassis removal (6) hold the right side of the optical chassis to remove it gently from the rod. (be aware not to touch the ccd board as well as the lamp on the optical chassis.) note: 1. during reinstalling the optical chassis, be aware not to touch the chips of the ccd board as well as the lamp in the optical chassis. 2. during reinstalling the ccd flat cable, be sure the text of the flat cable should be face-up as illustrated below. 3. the manufacturer will not be responsible for any unauthorized action, which causes unexpected result. flat cable (text face up) ccd board am6220 service manual 6-19 6.3.9 ccfl inverter pcba (1) remove the optical chassis. (see section 6.3.8). (2) disconnect all lamp cable and ccfl inverter pcba cable. (3). cut the cable bondage with a special tool. remove the inverter pcba from the optical chassis. ccfc inverter pcba removal optical chassis ccfl inverter lamp cable ccfl inverter p cba cable 6-20 6.3.10 lamp assembly (1) remove the ccfc inverter (see section 6.3.9) (2) loosen the screws of the lamp holder. (3) remove the lamp from the lamp holder. lamp assembly removal fixing screws optical chassis lamp holder am6220 service manual 6-21 6.3.11 motor unit (1) remove upper housing. (see section 6.3.5) (2) remove the optical chassis and the ccfl inverter pcba. (see section 6.3.8 and 6.3.9) (3) remove the lamp assembly by loosing the screws. (see section 6.3.10) (4) loosen two screws fixed on the optical chassis as illustrated. (5) disconnect the motor cable and remove the motor from the optical chassis. motor unit removal motor unit motor cable fixing screws 6-22 6.4 am6220 printer part replacement procedures this section describes the procedures for replacing the parts and assemblies shown in the following disassembly chart: 6.4.1 left side cover (1) open the top cover 1. (2) open the feeder unit 2. (3) remove the screw (gold) 3 to detach the left side cover 4. figure 6-4-1 left side cover am6220 service manual 6-23 6.4.2 right side cover (1) open the top cover 1. (2) open the feeder unit 2. (3) loosen the screw 3 to detach the right side cover 4. figure 6-4- 2 right side cover 6-24 6.4.3 face-up tray (1) open the face-up tray 1 in the direction of the arrow, and disengage it at its two places to detach it. figure 6- 4-3 face-up tray am6220 service manual 6-25 6.4.4 rear cover (1) slide out the face-up tray. (2) remove the two screws (gold) 1. (3) insert a flat-blade driver into t he hole a to disengage the claw a, at each of the two places. disengage the two claws b. pull in an arc the rear cover 2 in the direction of the allow a. (4) push the lower part of the rear cover 2 in the direction of the allow b to disengage the three claws b, then detach the rear-cover 2. figure 6-4-4 rear cover 6-26 6.4.5 led assy / led assy springs (1) open the top cover 1. (2) remove the cable connection of, and disengage the two hooks of, the led assy 2 to detach the assy (the two springs 3 become detached together with the led assy 2). figure 6-4-5 led assy/led assy spring am6220 service manual 6-27 6.4.6 top cover assy (1) remove the left side cover (see section 6.4.1). (2) remove the right side cover (see section 6.4.2). (3) remove the rear side cover (see section 6.4.4). (4) remove the plate-shield assy (gdi) see section 6.4.6, step (2). (5) remove the led head cable. (6) remove the two e-shaped rings 1 and the two springs - torsion 2, then detach the top cover assy 3. figure 6-4-6 top cover assy 6-28 6.4.7 top cover (1) open the top cover assy. (2) remove the ten screws (black) 1 to remove the guide - paper eject 2. (3) remove the ten screws (black) 3 to detach the cable cover 4 and the top cover 5. figure 6-4-7 top cover am6220 service manual 6-29 6.4.8 controller panel assy (1) open the top cover. (2) open the feeder unit. (3) remove the right side cover (see section 6.4.3). (4) remove the plate-shield assy see section 6.4.7, step (2). (5) make control panel assy connector removal (see section 6.4.8). (6) remove the four screws (gold) 1, then detach the control panel assy 2. figure 6-4-8 control panel assy 6-30 6.4.9 board prp / top cover handle (1) remove the control panel assy (see section 6.4.10). (2) disengage the two claws a of the lever-lock 2 to remove the frame op 1, and remove the lever-lock 2 and the spring-compression 3. (3) disengage the two claws b of the cover assy op 4 to remove it, and remove the springs torsion 5. (4) detach the board prp 6 and the cable 7. figure 6-4-9 board prp /top cover handle am6220 service manual 6-31 6.4.10 low-voltage power unit / id fan / low-voltage fan / hopping motor / fuser motor (1) remove the print controller pwb (see section 6.4.7). (2) remove the controller pwb (see section 6.4.6). (3) remove the film 1 and the frame duct 2 to demount the id fan 3. (4) remove the two screws (gold) 4 and the four connectors to demount the low-voltage power unit 5. (5) demount the low-voltage fan 6 by releasing claw engagement. (6) remove the two screws (black) 7 and the connector to detach the hopping motor 8. (7) remove the two screws (black) 9 and the connector to detach the fuser motor 0. note! when reassembling the id fan 3, low-voltage fan 6, check the attachment direction. figure 6-4-12 low-voltage power unit / id fan / low-voltage fan / hopping motor / fuser 6-32 6.4.11 board-prt (1) remove the right side cover (see section 6.4.2). (2) remove the print engine controller pwb and the controller pwb (see sections 6.4.6 and 6.4.7). (3) remove the film and the low voltage power unit (see section 6.4.12). (4) remove the four screws