Sharp AR-157E Service Manual
Sharp AR-157E Manual
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- Sharp AR-157E | Service Manual - Page 1
SERVICE MANUAL CODE : 00ZAR157E/A1E DIGITAL LASER COPIER/ PRINTER (AR-157E) AR-122E AR-152E AR-153E MODEL AR-157E CONTENTS [ 1 ] GENERAL 1 - 1 [ 2 ] SPECIFICATIONS 2 - 1 [ 3 ] CONSUMABLE PARTS 3 - 1 [ 4 ] EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 1 [ 5 ] UNPACKING AND INSTALLATION 5 - 1 [ 6 - Sharp AR-157E | Service Manual - Page 2
- Sharp AR-157E | Service Manual - Page 3
time of servicing. 1) When a problem in the laser optical unit has occurred, the whole optical unit must be exchanged as a unit, not as individual parts. 2) Do not look into the machine with the main switch turned on after removing the developer unit, toner cartridge, and drum cartridge. 3) Do not - Sharp AR-157E | Service Manual - Page 4
-1 laser product. Caution This product contains a low power laser device. To ensure continued safety do not remove any cover or attempt to gain access to the inside of the product. Refer all servicing to qualified personnel. Caution label on the unit The label ( ) in the fusing area of the unit - Sharp AR-157E | Service Manual - Page 5
protective packing materials 5-2 6. Developer unit installation 5-2 7. Toner cartridge installation 5-3 8. Loading copy paper 5-4 9. Power to copier 5-4 10. Moving 5-4 [6] COPY PROCESS 1. Functional diagram 6-1 2. Outline of print process 6-2 3. Actual print process 6-2 [7] OPERATIONAL - Sharp AR-157E | Service Manual - Page 6
Opt Opt Opt ∗2 Opt ∗2 8M AR-157E 15CPM MB Opt ∗2 Opt ∗2 16M Descriptions of items CPM: SB/MB: 2 tray: SPF: R-SPF: Color scanner: GDI printer: PCL printer: SOPM: Duplex: Memory: FAX: Copy speed (Copies Per Minute) SB = Manual feed single bypass, MB = Manual feed multi bypass Second cassette - Sharp AR-157E | Service Manual - Page 7
[2] SPECIFICATIONS 1. Basic Specifications Item Type Copy system Segment (class) Copier dimensions Weight (Approximately) AR-122E AR-152E AR-153E AR-157E AR-122E AR-152E AR-153E AR-157E Desktop Dry, electrostatic Digital personal copier 20.4"(W)X18.2"(D)X11.6"(H) (518mm(W)X462.5mm(D)X295.6mm - Sharp AR-157E | Service Manual - Page 8
Max. Average (during copying) AR-122E AR-152E AR-153E AR-157E Average (stand-by) drum by the semiconductor laser 600 dpi OPC (30ø) 25k Saw -tooth charging with a grid, / (-) scorotron discharge (+) DC scorotron system (-) DC scorotron system Dry, 2-component magnetic brush development - Sharp AR-157E | Service Manual - Page 9
400%) 25 - 400% (376 steps in 1% increments) 5 steps AR-157E First copy time Tray paper feed 9.6 sec. (Pre-heat mode:25 sec. / Auto power copying/both image) Side edge void area 0.5mm or more (per side) 4.5mm or less (total of both sides) Image used originals with cover up liquid used, - Sharp AR-157E | Service Manual - Page 10
/LAG No. Name 1 Toner CA(Black) 2 Developer 3 Drum kit Content Toner (Toner: Net Weight 210g) Polyethylene bag Developer (Developer: Net Weight 170g) Drum Drum fixing plate Life Product name × 10 80K AR-152MT × 10 × 10 250K AR-152MD × 1 25K AR-152DR × 1 Note: Printing of the master/individual - Sharp AR-157E | Service Manual - Page 11
CA(Black) Content Life Product name Toner (Toner: Net Weight 210g) × 10 80K AR-152CT-C Polyethylene bag × 10 2 Developer 3 Drum kit Developer (Developer: Net Weight 170g) Drum Drum fixing plate × 10 250K AR-152CD-C × 1 25K AR-152DR-C × 1 Note: Printing of the master/individual cartons is - Sharp AR-157E | Service Manual - Page 12
∗1 The production control label is not attached to the cartridge of a China product. Sub lot Production day Production month End digit of year Production place Note: Never carry exposed Toner unit. Be sure to put it in the collection bag. AR-122E/152E/153E/157E CONSUMABLE PARTS 3 - 3 - Sharp AR-157E | Service Manual - Page 13
tray 6 Front cover 9 Original table 12 Original guides 15 Parallel interface 18 Power switch 1 3 2 4 7 5 6 1 Toner cartridge lock release button 4 Drum cartridge handle 7 Transfer charger 2 Toner cartridge 5 Fusing unit release lever 3 Drum cartridge 6 Charger cleaner AR-122E/152E/153E/157E - Sharp AR-157E | Service Manual - Page 14
specified copy quantity, zoom copy ratio, user program code, and error code. 11 ON LINE key / indicator 12 Power save indicator Lights up when the machine is used as a printer and scanner. *2 Lights up when the copier is in a power save mode. 13 Paper feed location indicators 14 Tray select - Sharp AR-157E | Service Manual - Page 15
a specified level, the TONER DEVELOPER CARTRIDGE REPLACEMENT indicator lights up to warn the user. If the Toner Developer Cartridge is not replaced in that time, the Ready Lamp changes to blinking and then start to supply the toner after around 10 copies. (Cartridge replacement lamp continues to - Sharp AR-157E | Service Manual - Page 16
Function / Operation Drives the copier. Drives the optical mirror base (scanner unit). Supplies toner. Cools the optical section. Resist roller rotation control solenoid Cassette Paper feed solenoid 1 Multi manual pages feed solenoid Drives the single pass feeder Devices the duplex paper transport - Sharp AR-157E | Service Manual - Page 17
Manual feed detection switch 6 PPD1 sensor 7 Door switch 8 Drum reset Manual feed paper detection (single only) Paper transport detection 1 Door open/close detection (safety switch for 24V) New drum detection switch Paper entry detection Cover of new drum "L" at paper pass "L" at paper pass - Sharp AR-157E | Service Manual - Page 18
lamp (CCFL) control Copier control Operation input/display AC power input, DC voltage control, High voltage control For image scanning For polygon motor drive For toner sensor control For laser control Scanner/GDI Printer control (parallel I/F, USB I/F) AR-122E/152E/153E/157E EXTERNAL VIEWS AND - Sharp AR-157E | Service Manual - Page 19
Provides negative charges evenly to the drum surface. Fuses toner on the paper. (Teflon roller) Fuses toner on the paper. (Silicon rubber roller) Forms images. Transfers images onto the drum. Picks up the manual feed paper. (In multi feed only) Tray for manual feed paper Transport the paper from - Sharp AR-157E | Service Manual - Page 20
certain the outlet is properly grounded. Be sure to allow the required space around the machine for servicing and proper ventilation. 8" (20cm) 8"(20cm) 4" (10cm) 4" (10cm) Operation manual Power cord Drum cartridge (installed in unit) AR-122E/152E/153E/157E UNPACKING AND INSTALLATION 5 - 1 - Sharp AR-157E | Service Manual - Page 21
slowly from the copier. AR-122E/152E/153E AR-122E/152E/153E 5 1 2 3 AR-157E 2) Release the scan head locking switch. Grasp here and turn in the direction of the arrow. AR-157E 4 7) Remove the screw (1 pc). 8) Remove Upper developer unit. Lock Unlock 3) Ensure that the bypass tray is open - Sharp AR-157E | Service Manual - Page 22
unit and the machine with a screw. 15) Completion of Developer unit installation Note: Do not hold and carry the shutter. Otherwise the shutter may drop and Toner unit may drop. 7) Completion of Toner unit installation Close the front and side cabinets. AR-122E/152E/153E/157E UNPACKING AND - Sharp AR-157E | Service Manual - Page 23
in step 2 and the screw that was removed when unpacking the machine in the front of the paper tray. To store the pressure plate lock, rotate the lock to fix it on the relevant location. 4) Adjust the paper guides on the paper tray to the copy paper width and length. Squeeze the lever of paper - Sharp AR-157E | Service Manual - Page 24
Drum Developing Toner Developer PS roller Paper release Fusing Separation Transfer Synchronization with drum Manual feed Heat roller Heater lamp Electrode Transfer charger Transfer high voltage unit Cassette paper feed Print process Paper transport route AR-122E/152E/153E/157E COPY - Sharp AR-157E | Service Manual - Page 25
is formed on the drum. Step-3: Developing Latent image formed on the drum is then changed into visible image with toner. Step-4: Transfer The visible image (toner image) on the drum is transferred onto the print paper. Step-5: Cleaning Residual toner on the drum surface is removed and collected - Sharp AR-157E | Service Manual - Page 26
Toner remaining on the drum is removed and collected by the cleaning blade. It is transported to the waste toner collecting section in the cleaning unit by the waste toner transport roller. Toner is attracted over the shadowed area because of the developing bias. AR-122E/152E/153E/157E COPY - Sharp AR-157E | Service Manual - Page 27
screen grid can be selected, high and low. To make it easily understood, the figure below shows voltage transition at the developer unit. START 0 Print potential STOP Toner attract potential 2) 3) 1) Low Developing bias 4) High Time Drum potential AR-122E/152E/153E/157E COPY PROCESS 6 - 4 - Sharp AR-157E | Service Manual - Page 28
transfer section in synchronization with the image lead edge. 9) After the transfer of toner images onto the paper, the toner images are fused to the paper by the fusing section. The copied paper is discharged onto the exit tray. (Outline of printer operation) The print data sent from the PC are - Sharp AR-157E | Service Manual - Page 29
. Separate images scanned in each color section are overlapped to complete color scanning. (When PC scanning) The resolution is 600dpi. When copying, only the green component is used to print with the printer. The color component for printing can be switched to red or blue by the service simulation - Sharp AR-157E | Service Manual - Page 30
in the main scanning direction, 80um in the sub scanning direction Image surface power: 0.17 ±0.01mW (Laser wavelength 770 - 795nm) Polygon motor section: Brushless motor 20.787rpm No. of mirror surfaces: 6 surfaces 4. Fuser section fθ LENS AR-122E/152E/153E/157E OPERATIONAL DESCRIPTIONS 7 - 3 - Sharp AR-157E | Service Manual - Page 31
on the tray paper feed and the manual paper feed operation are given below. Triac (in the power supply unit) Level of the thermistor is controlled by the main PWB. With the signal from the main PWB, the triac is controlled on and off. (power supply PWB) AR-122E/152E/153E/157E OPERATIONAL - Sharp AR-157E | Service Manual - Page 32
a notch on the clutch sleeve, stopping rotation of the pick-up roller. PFS OFF RRS ON 8) The paper separated from the drum is passed through the fusing paper guide, the heat roller (fusing section), POD (paper out detector) to the copy tray. AR-122E/152E/153E/157E OPERATIONAL DESCRIPTIONS 7 - 5 - Sharp AR-157E | Service Manual - Page 33
roller. Then the paper is stopped temporarily to allow synchronization with the lead edge of the image on the OPC drum. From this point, the operation is the same as the paper feed operation from the tray. (Refer to A-5 - 8.) 5) The solenoid turns off to close the gate and return to the initial - Sharp AR-157E | Service Manual - Page 34
stopper 6 Separation sheet 8 PS roller D 10 Paper exit roller 12 Document tray C. Operational descriptions Time chart (Tray feed) Document set SPID ON Document set sensor Document feed unit lamp ON (Copier side) PSW ON Copy start MIRM rotation The scanner is shifted to the exposure position - Sharp AR-157E | Service Manual - Page 35
PS roller, and the images on the back are transferred. • It is sent through the fusing section and discharged to the paper exit tray. Switchback operation is made after back copying in order to discharge documents according to the setting. Set document Documents after discharge, 1 2 with empty - Sharp AR-157E | Service Manual - Page 36
4. Fusing section 5. Tray paper feed/transport section 6. Manual paper feed section 7. Part name Ref. 1 Drum 2 Transfer charger unit 3 Charger wire B. Drum replacement 1) Remove the drum cover. (4 Lock Tabs) 2) Remove the drum fixing plate and the photoconductor drum. (Note) Dispose the drum - Sharp AR-157E | Service Manual - Page 37
the waste toner pipe to remove waste toner completely with drum from (b). (Prevention against the sub blade edge breakage) Attach the drum so that its position with the sub blade is as shown. Sub blade Be careful not to allow the moquette to cover the sub blade. Example of NG AR-122E/152E/153E/157E - Sharp AR-157E | Service Manual - Page 38
to the drum cartridge packed with the main body. Add a new one. 2) Push up the lock pawls (2 positions) of the side cover, and remove the transfer charger. Lock pawl rear 1) 13) Attach the drum cover. Note: After attaching the drum cover, do not make a copy. When attaching the drum cover, engage - Sharp AR-157E | Service Manual - Page 39
3) 2. Operation panel section A. List No. Part name Ref. 1 Operation panel unit 2 Operation PWB 2) and Open the front cover. 1) F. Charger wire replacement 1) Remove the TC cover and remove the screw. 1) 1) Protrusion 1mm 1.5mm Fig.1 AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 4 - Sharp AR-157E | Service Manual - Page 40
disassembly procedure 3. Optical section A. List NO. Part name Ref. 1 Copy lamp unit 2 Copy lamp 3 Lens unit B. Disassembly procedure 1) and remove the rear cover. 7) Remove the table glass. 1) 6) 7) 5) 8) 1) 4) 3) 1) 2) 1) 1) 2) 1) AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - Sharp AR-157E | Service Manual - Page 41
of the carriage, remove the belt and the connector, and remove the carriage. 4) 1) 2) 3) Note: Attach the FFC to fit with the marking line. Marking line AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 6 - Sharp AR-157E | Service Manual - Page 42
No. Part name Ref. 1 Thermistor 2 PPD2 sensor 3 Heater lamp 4 Pressure roller 5 Heat roller B. Disassembly procedure 1) Remove the connectors (3 pcs.) of the rear cabinet. 2) Open the side cover, remove two screws, and remove the fusing unit. 4) Remove the screw and remove the U-turn guide - Sharp AR-157E | Service Manual - Page 43
roller 1) 3) 2) 1) 2) 3) 1) 9) Remove the E-ring and remove the reverse gate. 3) 1) 2) Heat roller disassembly (Continued from procedure (4).) 5) Remove screws, remove the fusing cover, and open the heat roller section. 3) 2) 1) 2) 3) AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 8 - Sharp AR-157E | Service Manual - Page 44
Tray paper feed/transport section A. List No. Part name Ref. 1 PPD1 sensor PWB 2 LSU unit 3 Intermediate frame unit 4 Paper feed roller B. Disassembly procedure 1) Remove two screws, and remove the hinge guide 1) 1) 2) 1) 1) 1) 1) AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 9 - Sharp AR-157E | Service Manual - Page 45
insulation mylar and remove the paper transport detection sensor (PPD2). 1) 7) Remove two springs and open the intermediate frame unit. 1) 3) 2) 6) Remove two screws and remove the toner motor. 2) 1) 2) 8) Remove the pulleys on the both sides and remove the paper exit roller. 3) - Sharp AR-157E | Service Manual - Page 46
9) Pull out the paper exit roller knob and remove the belt. 11) Remove the paper exit roller. 2) 1) 10) Release the belt pulley (a) lock and remove the belt pulley bearing. 3) 2) 12) Remove the harness guide. 1) AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 11 - Sharp AR-157E | Service Manual - Page 47
1) 1) 2) 3) 1) CAUTION:Attach the gears securely 14) Remove the parts as shown below, and remove the pressure release solenoid and the paper feed required Machine front side Add one LSU spacer. Machine rear side Add one LSU spacer. 2) 1) 1) 2) 4) 4) 3) AR-122E/152E/153E/157E DISASSEMBLY AND - Sharp AR-157E | Service Manual - Page 48
sequence of fixing screws. 24 6 1 35 Insert into the positioning boss. 16) Remove each pawl, and remove the paper exit tray. 2) Fit the holes and attach. 3) Insert into the positioning boss. 1) Machine front side AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 13 - Sharp AR-157E | Service Manual - Page 49
intermediate frame unit to remove. 3) 4) 21) Remove three screws and remove the TC front paper guide. 1) 2) 2) 22) Remove the screw and the connector, and remove the PPD1 sensor PWB. unit 4) PS semi-circulear earth plate 1) 2) 3) AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 14 - Sharp AR-157E | Service Manual - Page 50
paper feed section A. List No. Part name Ref. 1 Manual transport roller 2 Cassette detection switch 3 PPD1 sensor PWB 4 Side door detection unit 2) Remove the screw and remove the side door detection unit. 1) Back 2) Wire treatment AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 15 - Sharp AR-157E | Service Manual - Page 51
the single manual feed upper frame. 1) 1) 5) Remove the E-ring and remove the manual paper feed transport roller. 4) 3) 2) 4) Remove the PPD1 sensor PWB. 1) 3) 3) 1) 2) 6) Remove the cassette detection switch. 1) 3) 2) 2) Wire treatment Wire treatment AR-122E/152E/153E/157E DISASSEMBLY AND - Sharp AR-157E | Service Manual - Page 52
cover. Multi cover 2) Remove the screw and remove the side door detection unit. Multi unit 1) Remove the screw and remove the multi upper cover. 1) 1) Back 2) Wire treatment 3) Remove three screws and remove the multi paper feed upper frame. 1) 1) 2) 2) AR-122E/152E/153E/157E DISASSEMBLY - Sharp AR-157E | Service Manual - Page 53
. 2) 1) 1) 1) 2) 2) 7) Cut the binding band and remove the multi paper feed solenoid. 1) 5) Remove three E-rings and remove the manual paper feed roller B9. 1) 1) 1) 2) 3) Multi paper feed solenoid 3) 2) L OCK C. Assembly procedure For assembly, reverse the disassembly procedure. TO - Sharp AR-157E | Service Manual - Page 54
so that the resin section is not covered with the seal M1-N. Seal M1-N main motor. 7. Rear frame section A. List No. Part name Ref. 1 Mirror motor 2 Main motor 3 Exhaust four screws, and remove the rear cabinet and the rear cabinet cover. 1) 3) 1) 2) 5) Remove two screws and one connector - Sharp AR-157E | Service Manual - Page 55
For assembly, reverse the disassembly procedure. 9. 2nd cassette section No. Part name Ref. A Paper sensor B Cassette detection SW C Paper feed . 2) Remove the rear cover. * When installing, engage the pawl and install the unit. 2 1 A AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - - Sharp AR-157E | Service Manual - Page 56
2 4 3 B A 1 2 * When installing, securely insert two bosses C on the machine side and two bosses D on the paper feed unit side. Be sure to secure the ground 2 * Install so that the earth spring A is brought into contact over bearing B. AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 21 - Sharp AR-157E | Service Manual - Page 57
. 2) Remove the paper feed clutch. 3) Remove the parts. A 2 1 3 * When installing, fit the cut surface A. F. 2nd paper feed roller 1) Remove the E-ring and the parts. 2) Remove the 2nd paper feed roller. A 1 C is in contact under the bearing D. AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 22 - Sharp AR-157E | Service Manual - Page 58
Duplex motor. 1) Remove two screws. 2) Remove the Duplex motor cover. 3) Remove the Duplex motor. 12. RSPF section (RSPF model Intermediate tray 1) Remove the intermediate tray. 1 2 3 1 B. Remove the reverse roller. 1) Bend the reverse roller and remove it. 1 AR-122E/152E/153E/157E DISASSEMBLY - Sharp AR-157E | Service Manual - Page 59
body. 2) Remove the upper cover. 2 E. Upper cover of the pickup unit. 1) Remove two screws from the bottom of the pickup unit. 2) Remove the upper cover. 2 1 1 1 reassembling, be careful of the hole position for the paper feed frame spring. AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 24 - Sharp AR-157E | Service Manual - Page 60
Remove the clutch 1) Remove the E-ring. 2) Remove the parts. 1 A Note: When reassembling, hang the iron core on the clutch pawl. 5) Remove the clutch unit. 2 1 2 I. Manual paper feed roller, pickup roller (1) Remove the pickup unit. 1) . AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 25 - Sharp AR-157E | Service Manual - Page 61
. 1) Remove the parts. 2) Remove the manual paper feed roller. 3) Remove the pickup roller. 4) Remove the parts. 4 3 1 1 K. Belt 1 1) Remove the belt. 2 1 J. Transport unit removal 1) Disconnect the connector, and cut the binding band. 2) Remove two screws, and remove the document tray unit - Sharp AR-157E | Service Manual - Page 62
Remove two screws. 3) Remove the solenoid. 3 1 2 O. Clutch 1) Cut the band with nippers. 2) Remove the harness. 3) Remove the clutch. 3 2 1 1 P. Paper supply roller (1) Remove the parts. 1) Remove the two screws. 2) Remove the parts. 1 1 2 AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 27 - Sharp AR-157E | Service Manual - Page 63
entry sensor 1) Loosen the screw. 2) Open the paper exit paper guide. 3) Remove the paper entry sensor. 4) Remove the harness. (2) Remove the parts. 1) Loosen the screw. 2) Open the paper exit paper guide. 3) Remove the parts. 3 4 3 2 1 1 2 AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 28 - Sharp AR-157E | Service Manual - Page 64
. 2) Remove the paper feed paper guide upper. 2 2 S. Paper exit roller (1) Remove the parts. 1) Remove two screws. 2) Remove the parts. 2 1 1 (3) Remove the paper exit roller. 1) Remove the parts. 2) Remove the paper exit roller. 1 1 1 1 2 AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 29 - Sharp AR-157E | Service Manual - Page 65
the groove and the hole positions of the spring. Note: When reassembling, hang 2) on the solenoid. (2) Remove the solenoid. 1) Remove the screw. 2) Remove the solenoid. 2 1 AR-122E/152E/153E/157E DISASSEMBLY AND ASSEMBLY 8 - 30 - Sharp AR-157E | Service Manual - Page 66
copy magnification ratio a. Cases when the adjustment is required 1) When the scanner unit drive section is disassembled or the part is replaced. 2) When the main PWB is replaced. 3) When the EEPROM in the main PWB is replaced. 4) When "U2" trouble occurs. AR-122E/152E/153E/157E ADJUSTMENTS - Sharp AR-157E | Service Manual - Page 67
Duplex copy rear edge void adjustment mode Adjustment mode Image cut rear edge void quantity (RSPF) Paper rear edge void quantity Print start position (Duplex back) RSPF (Back) original center offset Lamp ON AE lamp TEXT lamp PHOTO lamp AE, TEXT, PHOTO lamps AR-122E/152E/153E/157E ADJUSTMENTS - Sharp AR-157E | Service Manual - Page 68
adjustment. Draw a line at the center of A4 or 8 1/2" x 11" paper in the paper transport direction. Document guide Center Copy paper (A4 or 8 1/2″ × 11″) 2) Execute SIM 50 - 10 to select the print center offset (cassette paper feed) adjustment mode. The set adjustment value is displayed on the - Sharp AR-157E | Service Manual - Page 69
lines (F/R) on the back of document guide, there is no need to adjust manually. 2. Copy density adjustment A. Copy density adjustment timing The copy density adjustment must be performed in the following cases: • When maintenance is performed. • When the developing bias/grid bias voltage is - Sharp AR-157E | Service Manual - Page 70
table) of the exposure test chart (Sharp Gray Scale). Non toner save mode Sharp Gray Scale adjustment level 1 2 3 4 5 6 7 8 9 10 W Not copied. Slightly copied. Toner save mode 1 2 3 4 5 6 7 8 9 10 W Not copied. Slightly copied. (When too bright): Decrease the value - Sharp AR-157E | Service Manual - Page 71
front surface printing (odd-number pages of a document set) in the S-D mode copying and the leading edge position of an image on even-number pages in the D-S mode. That is, it covers the adjustment of the second surface printing mode (image loss at the front edge of an image) in which image data is - Sharp AR-157E | Service Manual - Page 72
making a copy during this adjustment. 4) Make a copy and check the void area of the scale on the image. Adjust the setting so that the void area is 2 - 4 mm. An increase of 1 in setting represents an increase of 0.1 mm in void area. l Void position to be checked AR-122E/152E/153E/157E ADJUSTMENTS - Sharp AR-157E | Service Manual - Page 73
key. 10th digit: 1st digit: Count up of values: COPY QUANTITY key Count down of values: Zoom key + COPY QUANTITY key The main code is displayed on the COPY QUANTITY display. 1 The entered value Press the clear key. is registered. End AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 1 - Sharp AR-157E | Service Manual - Page 74
of Sub No. main code code Operation 26 Various setup 01 Manual feed setup 02 (R) SPF setup 03 Second cassette setup 04 Machine duplex setup 06 Destination setup 07 Machine conditions check 20 Rear edge void setup 30 CE mark support control ON/OFF 37 Developer life-over termination cancel - Sharp AR-157E | Service Manual - Page 75
lighted.)) • Multiple key inputs are ignored. 02 Fusing lamp, cooling fan operation check When the PRINT switch is pressed, the fusing lamp repeats operations of 500ms-ON and 500ms-OFF 5 times. During that time, the cooling fan motor rotates. AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 3 - Sharp AR-157E | Service Manual - Page 76
cycle setup The currently set code (default) of the maintenance cycle is displayed, and the newly set data are saved. Code 0 1 2 3 4 5 Setup 3,000 sheets 6,000 sheets 9,000 sheets 13,000 sheets 25,000 sheets *Default Free (999,999 sheets) AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 4 - Sharp AR-157E | Service Manual - Page 77
clear When the PRINT switch is pressed, the developer count value is reset to 0. 07 Drum counter clear When the PRINT switch is pressed, the drum count value is reset to 0. 08 Copy counter clear When the PRINT switch is pressed, the copy count value is reset to 0. 09 Printer counter clear When - Sharp AR-157E | Service Manual - Page 78
AB series China (EX JAPAN AB series + Chinese paper support) 07 Machine conditions check When this simulation is executed, the current machine setup is displayed. CPM 10 cpm 12 cpm 13 cpm 14 cpm 15 cpm Copy quantity display 10 12 13 14 15 AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 6 - Sharp AR-157E | Service Manual - Page 79
to the CE mark support setup and press the PRINT switch to enable the setup. Code number CE mark support setup 0 CE mark support control OFF * Default (100V series) 1 CE mark support control ON The default for CE-support 200V series is "1." 37 Developer life-over termination cancel - Sharp AR-157E | Service Manual - Page 80
(POD) 2nd CS paper sensor (PPD3) New drum cartridge sensor (PUIS) Single manual feed paper sensor (MFD) Display lamp Developer cartridge replacement lamp JAM lamp Photoconductor cartridge replacement lamp 2nd cassette lamp Zoom lamp AE lamp AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 8 - Sharp AR-157E | Service Manual - Page 81
2 3 4 5 6 7 8 9 Temperature shift (°C) ±0°C * Default - 8°C - 6°C - 4°C - 2°C ±0°C +2°C +4°C +6°C +8°C 09 Setup of fusing control of postcard size paper Code number Setup 0 Cancel * Default 1 Setup The default for Japan model is "1." AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 9 - Sharp AR-157E | Service Manual - Page 82
range: 0 - 99) Copy mode AE mode (300dpi) TEXT mode (300dpi) PHOTO mode TS mode (TEXT) (300dpi) TS mode (AE) (300dpi) Display lamp AE mode lamp TEXT mode lamp PHOTO mode lamp TEXT mode lamp & PHOTO mode lamp AE mode lamp & PHOTO mode lamp AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 10 - Sharp AR-157E | Service Manual - Page 83
corresponding to desired gamma table, and press the PRINT switch or the copy mode select key to enable the setup. Code number 1 2 γ table Image quality priority mode Toner consumption priority mode When the copy mode select key is pressed during setup of the gamma table, the mode is switched - Sharp AR-157E | Service Manual - Page 84
copy mode is displayed on the copy quantity display. Code number 0 1 2 Component of use Green * Default Red Blue Copy mode AE mode (including TS) TEXT mode (including TS) PHOTO mode Display lamp AE mode lamp TEXT mode lamp PHOTO mode lamp AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES - Sharp AR-157E | Service Manual - Page 85
(2) In case of a scan error of the reference line, the jam lamp lights up. (Cause) CCD error, no white board installed. ∗ If the automatic correction of the magnification ratio cannot provide a satisfactory result, use the manual correction. AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 13 - Sharp AR-157E | Service Manual - Page 86
is increased by about 1mm. 10mm (When set to 25 or less, the void becomes zero.) ∗ The SPF adjustment is performed by adjusting the SPF image scan start position. AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 14 - Sharp AR-157E | Service Manual - Page 87
by about 0.1mm.) Adjustment mode Image cut rear edge void quantity (RSPF) Paper rear edge void quantity Print start position (Duplex back) RSPF (Back) original center offset Lamp ON AE lamp TEXT lamp PHOTO lamp AE, TEXT, PHOTO lamps AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES 10 - 15 - Sharp AR-157E | Service Manual - Page 88
the PRINT switch, and paper feed operation will be made from the selected cassette and printing of the selected pattern will be made. Printing is in 1by2 mode, or grid pattern. Code number Pattern 0 1by2 1 Grid pattern ∗ 2 - 99: print in 1by2. AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES - Sharp AR-157E | Service Manual - Page 89
time (about 6 sec) after start of copy return, the mirror home position sensor (MHPS) error When the counter check sum value stored in the EEPROM is abnormal. 04 EEPROM serial When a communication trouble occurs with the EEPROM. communication error AR-122E/152E/153E/157E SIMULATION, TROUBLE CODES - Sharp AR-157E | Service Manual - Page 90
replace when required.) Parts Developer DV blade DV side seal (F/R) Drum 25K 50K 75K : Clean 100K : Replace 125K : Adjust ✩: Lubricate Remark 2. Maintenance display system Toner Developer Life Remaining quantity LED Machine Life LED Machine Maintenance LED Machine 8K NEAR EMPTY EMPTY - Sharp AR-157E | Service Manual - Page 91
and perform the procedure from step 2. 6) Press either one of the exposure adjustment keys ( or ) to complete the setting. • Display lamps ( , , , ) go off and the copy quantity display returns to the normal state. AR-122E/152E/153E/157E USER PROGRAMS 12 - 1 - Sharp AR-157E | Service Manual - Page 92
When the machine enters the SPF exposure adjustment mode once, the adjustment mode is not changed though a document is removed toner save mode setup, the ready lamp and the online lamp are turned off. • The toner save mode is applied in the auto mode and the manual mode. AR-122E/152E/153E/157E USER - Sharp AR-157E | Service Manual - Page 93
AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 1 CCD PWB 12V R CCD G ( uPD8861) B 5VEN CCD Driver 2332200 A[19 0] D[15 0] (19.6608MHz) Power Reset Reset IC D[15 8] A[19..0] 3.3V D[15..0] Main SPPS TC GRIDL MC BIAS MPFS CPFS2 CPFS1 Toner Motor FAN Motor Scanner Motor Duplex Motor SPMT0 - Sharp AR-157E | Service Manual - Page 94
AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 2 NewDrum Detect MPFS RRS CPFS Interlock SW Operation PWB CCD PWB Inverter PWB PSW KI N1 KI N2 Et c OP_CLK OP_LATCH OP_DATA Et c CN102 AF E_CL K AD_CLK VCL Et c AF E_DB0 - 7 MT_AT_H OME Et c CN105 I C116 I C131 I C125 I C114 Copy Toner - Sharp AR-157E | Service Manual - Page 95
Output Output Data I/O Analog input Analog input Input Input Input AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 3 Operating Data bus Data bus Data Reset signal Copy lamp control DGND Pull-Up DGND DGND Flash Busy signal HC151 selector detection HC151 selector detection Toner motor lock Toner - Sharp AR-157E | Service Manual - Page 96
code signal Scan START signal ASIC transfer signal Print Start signal SPF motor signal SPF motor error diffusion, dither method, simple binary conversion) are performed. Print control section: When copying, the image document feed solenoid control signal "H":ON OUT Tr array IC SPF/RSPF document - Sharp AR-157E | Service Manual - Page 97
3V 35 mpfs OUT Tr array IC Manual feed solenoid control signal. "H": ON 36 Toner motor control signal 44 VCC(AC) 3.3V Power 45 TM OUT Buffer IC Toner ) 3.3V 58 pfclko (Not used) 59 RESET IN ASIC reset signal 60 GND(CORE/DC) Power 61 ATRST AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 5 - Sharp AR-157E | Service Manual - Page 98
/DC) Power 3.3V 141 ram_mad11 OUT SDRAM SDRAM (Image process page memory) address bus 142 ram_mad9 OUT SDRAM SDRAM (Image process page memory) address bus 143 GND(AC) 144 ram_mad8 OUT SDRAM SDRAM (Image process page memory) address bus AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 6 - Sharp AR-157E | Service Manual - Page 99
Image process page memory) address bus 156 ram_mad3 OUT SDRAM SDRAM (Image process page memory) address bus 157 d_s_ATDO_B (Not used) 158 cl OUT Logic IC Copy printst IN CPU Print start signal 221 tmen IN CPU Toner motor clock enable AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 7 - Sharp AR-157E | Service Manual - Page 100
voltage of the main PWB is detected by the reset IC to generate the reset signal. When the power voltage reaches the specified pin. The CPU converts the inputted analog voltage into a digital signal level and compares it with the set value of the AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 8 - Sharp AR-157E | Service Manual - Page 101
This is passed to the CPU and the trouble code "H2" is displayed. (5) Driver circuit (Solenoid) a. Outline Since the load signal the driver is ON, the driver output terminal voltage is 0V. +24V ASIC/CPU OUT PUT LLOOAADD (6) Toner supply motor AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 9 - Sharp AR-157E | Service Manual - Page 102
the mirror motor, the SPF motor, and the duplex motor. The driver for IC127 (for mirror motor) is the bipolar drive L6219DS, and the driver for IC128 (for SPF) is the unipolar drive IC MTD1361F. 5A 24V CP102 ICP-N38 + C208 47u/35V 24Vdup PGND AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 10 - Sharp AR-157E | Service Manual - Page 103
driver IC403 Centronics connector (11) Carriage unit a. General The carriage unit is provided with the CCD PWB, the inverter PWB, and the lamps. It scans documents and transfers AD-converted image diagram (Semiconductor switch) +3.3V regulator IC AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 11 - Sharp AR-157E | Service Manual - Page 104
/60Hz AC voltage with the rectifying circuit, and smoothes it with the smoothing capacitor C010. secondary winding voltage fig (5) Operation waveform of the flyback converter AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 12 - Sharp AR-157E | Service Manual - Page 105
transformer, rectified by the high frequency diode D103, and smoothed by C103 and C104. Voltage waveform Voltage waveform fig (7) +5V rectifying/smoothing circuit voltage waveform AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 13 - Sharp AR-157E | Service Manual - Page 106
[14] CIRCUIT DIAGRAM 12 AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 1 1. MCU PWB A B C MCU PWB (CPU SECTION) When IC101 is, mounted NOT mounted VCC3 Spreading Range : +/- 1.25% C102 R104(*3) OPEN 0J *6 R103(*1) OPEN - Sharp AR-157E | Service Manual - Page 107
AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 2 A B MCU PWB (ASIC SECTION) (8-C1) (1-D2),(8-D2) CL CCD_TG (8-E2) VSAMP (8-D2) 52 FAX_S_PRINT 53 ES_S_PRINT 54 PRAREAEN 55 TDI 56 GND(CORE/DC) 57 VCC(CORE/DC) 58 PFCLK0 59 RESET# 60 GND(AC) 61 TRST 62 TCK 63 TMS 64 VCC(AC) BR127 1 2 3 4 MAD3 MAD2 - Sharp AR-157E | Service Manual - Page 108
A B C D E MCU PWB (MEMORY SECTION) 3/9 4 4 AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 3 (1-C1) A[19..0] 3 IC112 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 12 11 - Sharp AR-157E | Service Manual - Page 109
AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 4 A B MCU PWB (DRIVER SECTION 1) 4 (7-E2) (7-E4) (7-E3) (7-E1) (7-E3) (7-E4) (7-E3) (7-E1) (PPD1) (POD) (MFD) (CED1) (TCS) (PMRDY) DVS1 (DRST) (4-D3) (SELIN1) (4-D3) (SELIN2) (4-D3) (SELIN3) 5V 3 R263 - Sharp AR-157E | Service Manual - Page 110
AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 5 A B C D E MCU PWB (DRIVER SECTION 2) 5/9 4 3 (2-B1) SPFS (2-B1) SPUS (2-B1) SGS (2-B1) SRRC 2 24V IC123 3 4 5 6 10 11 12 13 14 15 I1 NC NC I2 NC I3 NC NC - Sharp AR-157E | Service Manual - Page 111
12 AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 6 A B C D E MCU PWB (DRIVER SECTION 3) 6/9 4 (8-C3) OUT_A(8-C3) OUT_A+ (8-C3) OUT_B+ (8-C3) OUT_B- D105 1 D106 1 D107 1 D108 1 OPEN 2 OPEN 2 OPEN 2 OPEN 2 R178 1 2 0.68J 1W 1 R180 1.5kJ 2 12 PGND PGND - Sharp AR-157E | Service Manual - Page 112
AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 7 A B C MCU PWB (NOISE FILTER/PULL-UP SECTION) D E 7/9 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21 - Sharp AR-157E | Service Manual - Page 113
or KRC106S or KRC106S or KRC106S (6-A4) OUT_A+ (6-A4) OUT_B+ (6-A4) OUT_A(6-A4) OUT_B- CN103 11 22 33 44 B4B-PH-K-R To Scanner unit AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 8 2 (2-E1) PARAD[7..0] 1 C329 OPEN 21 C330 OPEN 21 C331 OPEN 21 2 C3321 OPEN 2 C3331 OPEN To Interface PWB USBIN - Sharp AR-157E | Service Manual - Page 114
AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 9 A B -PH-K-S (6-B2) TMA_O (6-B2) TMB_O 1 CN124 1 2 1 2 To Toner motor B2P-VH For checker (1-B1) CPUNRST (1-B3) SDA (1-B3) SCL SDA 4 5 1 2 3 4 5 To Multi unit B5B-PH-K-R 4 To Cover open detect (4-A2) (SDOD) R244 1kJ 1 2 D140 2 3 1 - Sharp AR-157E | Service Manual - Page 115
120J R349 120J R345 120J R344 120J R346 120J R347 120J R348 120J R361 120J 5VEN PML ONLL PSL ONL R353 R354 470J 470J AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 10 32 /Q2 31 /Q1 63 VCC 51 /STROBE 49 BEO 50 /LATCH 30 S IN 64 CLOCK 19 S OUT 5 GND1 - Sharp AR-157E | Service Manual - Page 116
3. POWER SUPPLY 1 2 3 4 POWER SUPPLY (120V/127V) A 5 6 B C D E F G H 1 2 3 4 5 6 AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 11 - Sharp AR-157E | Service Manual - Page 117
6 7 8 9 10 11 A B C D E F G 6 7 H 8 9 10 11 AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 12 - Sharp AR-157E | Service Manual - Page 118
1 2 3 4 POWER SUPPLY (220V/240V) A 5 6 B C D E F 4. NOISE FILTER CIRCUIT G H 1 2 3 4 5 6 AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 13 - Sharp AR-157E | Service Manual - Page 119
6 7 8 9 10 11 A B C D E F G 6 7 H 8 9 10 11 AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 14 - Sharp AR-157E | Service Manual - Page 120
2 PPD2 3 D-GND 1 RTH_IN 2 D-GND Fuser unit CN120 1 PULUP5V 2 PPD2 3 D-GND 4 RTH_IN 5 D-GND B5B-PH-K-S Manual Paper *F Feeding unit CN123 1 24V 2 / 4 /VFMCNT 3 2 VFMOUT 1 B4B-PH-K-S FAN TONER MT MT MAIN MT DUPLEX MT For DSPF Model Only For S AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 15 - Sharp AR-157E | Service Manual - Page 121
3 SPPD 2 D-GND 1 B24B-PHDSS-B CN114 /DMT_3 5 /DMT_2 4 /DMT_1 3 /DMT_0 2 24Vdup 1 B5B-XASK-1 DUPLEX MT For DSPF Model Only SPF UNIT For SPF/DSPF Model Only *D Cover open detecter For DSPF Model Only INTERLOCK SW (SIDE DOOR SW) *A - E have detail view - Sharp AR-157E | Service Manual - Page 122
/PR 14 HLOUT 15 PGND 16 PGND CN002 HLL HLN LOW VOLTAGE POWER SUPPLY UNIT CN001 L N 1 2 3 4 1 AC-ORD 2 POWER UNIT 1 HLL 2 HLN Thermostat Heater Lamp AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 17 - Sharp AR-157E | Service Manual - Page 123
-DATA OPERATION 10 OP-LATCH 11 OP-CLK PANEL PWB 12 (BEO) 13 (KIN1) 14 (KIN2) 15 PSW 16 5V 17 DRST 18 D-GND DRM RESET SW AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 18 - Sharp AR-157E | Service Manual - Page 124
24 D-GND 25 D-GND 26 D-GND 27 D-GND 28 D-GND 29 D-GND 30 /INT 31 /FAULT 32 D-GND 33 34 HLHIN 35 /SLCTIN 36 IEEE1284_CN AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 19 - Sharp AR-157E | Service Manual - Page 125
PWB SPF MOTOR SPF UNIT G-SOLENOID TRANSPORT CLUCH R-SOLENOID PU SOLENOID SPF SENSOR CN101 5 D-GND 4 SDSW 3 SPID 2 1 5V SPF SENSOR PWB SPF MOTOR R-SPF UNIT AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 20 - Sharp AR-157E | Service Manual - Page 126
3 12 4 5V 11 5 10 6 9 7 PPD3 8 8 D-GND 7 9 6 10 D-GND 5 11 4 12 D-GND 3 13 OED2 2 14 D-GND 1 /CPFS2 1 24V 2 OED2 1 D-GND 2 D-GND 1 PPD3 2 5V 3 PF SOLENOID TRAY DETECT SWITCH PHOTO SENSOR 2nd Paper feeding unit (OPTION) AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 21 - Sharp AR-157E | Service Manual - Page 127
FEEDING UNIT) F CN123 24V 1 /MPFS 2 3 4 5 B5B-PH-K-R Multi feeding solenoid Multi Manual Paper Feeding unit CN123 1 2 PULUP5V 3 MFD 4 D-GND 5 B5B-PH-K-R MFD sensor PWB Single Manual Paper Feeding unit Manual Paper Feeding unit AR-122E/152E/153E/157E CIRCUIT DIAGRAM 14 - 22 - Sharp AR-157E | Service Manual - Page 128
- Sharp AR-157E | Service Manual - Page 129
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. - Sharp AR-157E | Service Manual - Page 130
trademarks of International Business Machines Corporation. PCL is a trademark of Hewlett-Packard Company. Pentium is a registered trademark of Intel Corporation. All other trademarks and copyrights are the property of their respective owners. SHARP CORPORATION Digital Document System Group Products
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CONTENTS
Parts marked with “
” are important for maintaining the safety of the machine. Be sure to replace these parts
with the replacement parts specified to maintain the safety and performance of the machine.
SHARP CORPORATION
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SERVICE MANUAL
CODE : 00ZAR157E/A1E
DIGITAL LASER COPIER/
PRINTER
AR-122E
AR-152E
AR-153E
MODEL
AR-157E
[ 1 ] GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
[ 2 ] SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1
[ 3 ] CONSUMABLE PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1
[ 4 ] EXTERNAL VIEWS AND INTERNAL STRUCTURES . . . . . . . . . 4 - 1
[ 5 ] UNPACKING AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . 5 - 1
[ 6 ] COPY PROCESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 1
[ 7 ] OPERATIONAL DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 1
[ 8 ] DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . 8 - 1
[ 9 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 - 1
[10] SIMULATION, TROUBLE CODES . . . . . . . . . . . . . . . . . . . . . . . 10 - 1
[11] MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 - 1
[12] USER PROGRAMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 1
[13] ELECTRICAL SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 - 1
[14] CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 - 1
(AR-157E)