MITA Simulations/Diagnostics
MITA DC 152Z/1655 Simulations
01-The Copier Works Repeatedly As A6
(4-1/4"X5-1/2")
Size Copy Mode Without Paper Feed
*Can Be Ferformed In Any Magnifacation
Ratio
*Always Remove Cassette
*Press Clear To Cancel This Simulation
02-The Copier Works REpeatedly As For A3
(11"X17")
Size Copy Mode Without Paper Feed.
*Can Be PerformedIn Any Magnifacation
Ratio
*Always Remove Cassette
Press Clear To Cancel This Simulation
03-Drive Motor (DM), Blower Motor (BM),
And Cleaning
Lamp (CL): On For 4 Seconds, Fan Motor
(FM) Rotates
At High SpeedFor 4 Seconds
04-Zoom Copying Starts With The
Magnifacation From
70% To 140% With Steps Of 10%.
*Use Lower Cassette Only
05-Cleaning Selenoid (SOL 1),
Registration Selenoid
SOL 2), Idle Selenoid (SOL 3), Primary
Feed Clutch U
(MCFU), Primary Feed Clutch L (MCFL),
Power Relay
(PRy), And Chime (CH): On For 4 Seconds.
06-Drive Motor (DM), Blower Motor (BM),
And Cleaning
Lamp (CL): On For 4 Seconds. Then, DM,
BM, CL And
TSHVU Turn On For 2 Seconds
07-MC Transformer(MHVVU):On For 4
Seconds.
11-Halogen Lamp (HL): On For 4 Seconds
* The HL Voltage Is In Synch With The
Setting Of The
Exposure Slide Control.
12-Heater (H) On For 4 Seconds
13-Drive Motor (DM), Blower Motor (BM),
And Cleaning
Lamp (CL): On Fo 5J, MC Transformer
(MHVU): On For2.5
Seconds (2.5 Second Delay) Cleaning
Selenoid (SOL 1):
On For 2.5 Seconds,
14-When The Battery On The Main PCB
Discharges, The
Maintance Indicator Blinks. To Reset The
Indicator
And Preset Magnification Ratio, Perform
This
Simulation for initializing the circuit.
15-Checking The Maintane Indicator.
*To Reset The Maintance Indicator,
Perform Simulation
161(For Metric Machines). Or 160 (For
Inch Machines)
16-Resetting The Count Of Copies On The
Display
*Input The Code (160,161,162,163, Or 164)
With The
Copy Set Keys
160: Resetting Maintance Counter
161: Resetting Count Of Black Developer
162: Resetting Count Of Red Developer
163: Resetting Count Of Green Developer
164: Resetting Count Of Blue Developer
17-Resetting The C4 Serviceman Call For
Lens Unit
Trouble.
* For # 3251 And Subsequent Machines; In
Simulation
03, The Halogen Lamp (HL) Also Lights For
4
Seconds.There Is No Simulation 17
MITA 152Z/1655
Diagnostics<.b>
OF - Toner Disposal Full
C2 - No Clock Pulse(Pulse Sensor
Defective),(Drive
Motor Prob.),(DC Servo Motor
Prob,),(Servo Motor PCB)
(Switches Under Carrige Prob.)
C4 - Lens Unit Problem
C5 - T/C Or Main Chrg. Problem
C6 - Fuser Prob.
Mita 1255 Simulations
02 - Copying Wthout Paper(Max. Size)
04 - Copying Without Paper 2(A4 Paper
Size)
10 - Drive Motor ON
20 - Halogen Lamp On
21 - Driving Optical Unit
23 - Lens Motor ON
25 - Manual Exp. Adj. (EXP. 4 - Factory
Setting d40)
26 - Manual Exp. Adj. (Exp. 6 - Factory
Setting d55)
27 - Auto Exp. Adj. (Black / White Orig)
28 - Auto Exp. Adj. (Newspaper Test
Chart)
30 - Main Charger ON
40 - Applying Toner To Cl. Bl.
41 - Compulsary Stabilization
44 - Blank Lamp Check
50 - Lighting All OP LEDs
59 - Original Size Detection Check
60 - Toner Control VR Setting (Setting Up
Dev.)
70 - Initializing Memory
71 - Selecting Between Inch &
Metric(00-Metric/01-inch)
72 - Selecting Between Manual/Auto
Exp.(00-Man./01-Auto)
73 - Selecting Exp. Indicator Graduation
Levels(00-13 Step/01-7 Steps)
74 - Selecting A4 Or B5 Auto Copy Size
75 - Selecting For Use Inside/Outside
Japan(00-Outside Japan/01-Inside Japan)
76 - Copy Mode With Tone Indicator
Lit(00-Single/01-Muliple)
77 - Selecting Between Auto Copy Mode &
Same Size Copy Mode(00-Auto Copy
Size/01-Same Size Mode)
80 - Adj. Copy Registration
82 - Setting Auto Clear Time
85 - Adj. Lead Edge Void
86 - Correcting A/D Input Reference
Voltage
90 - Disabling Service Call (Diagnostics)
94 - Make A Copy At Different
Magnifications
99 - Keeping Halogen Lamp Lit With Rated
Voltage.
1656/1855/2155 Simulations &
Diagnostic
Codes
C-01 - Back-Up Memory Trouble
C-20 - Machine Drive Trouble
C-30 - Scanner Forward Drive Trouble
C-31 - Scanner Return Drive Trouble
C-32 - Scanner Motot Trouble
C-33 - Scanner Motor Brake Trouble
C-40 - Lens Motor/Mirror Motor Trouble
C-50 - Main Charging Trouble
C-51 - Transfer/Separation Trouble
C-60 - High Fixing Temperature
C-61 - Fixing Unit Thermistor Broken
C-62 - Fixing Unit Heater Trouble
C-63 - Low Fixing Temperature
C-70 - Drum Thermistor Short Circuit
C-71 - Drum Thermistor Broken
1656/1855/2155 Simulations
01 - End Simulations
02 - Copying Without Paper
05 - Zoom Copying Mode
10 - Main Motor On
11 - Checking Paper Switches
12 - Checking Switches
19 - Checking Clutches & Selenoids
20 - Halogen Lamp On
21 - Checking Scanner Drive
22 - Setting Lens Unit Rank
23 - Lens Motor On
25 - Adj. Magnifacation
(Legnthwise)(Scanner Speed)
26 - Adj. Lead Edge Margine
27 - Checking Skewed Original/Paper Feed
28 - Adj. Manual Exposure
29 - Adj. Auto Exposure
30 - Main Charger On
32 - Checking Drum Potential
40 - Applying Toner To Cleaning Blade
43 - Fixing Unit Heater On
44 - Blank Lamp On
45 - Adj. Fixing Temp.
50 - Lighting All Displays On OP Panel
51 - Setting Completion Of Warm Up
53 - Adj. ADF Original Stop Timing
60 - Setting Developer
64 - Toner Supply
65 - Setting Toner Control Voltage
67 - Adj. Exposure In Mono Color Mode
70 - Initializing Memory Switch
71 - Setting Maintance Cycle
72 - Resetting Maintance Count
75 - Resetting Developer Count
79 - Initializing Back-Up Memory
80 - Setting Memory Switch 1
81 - Setting Memory Switch 2
85 - Adj. Copy Registration
87 - Setting Auto Clear Time
88 - Adj. Exposure In Reduction Mode
89 - Adj. Exposure In Enlarge Mode
Mita 5690
Dignostics & Simulations
C-05 - Serial Transfer Problen
C-06 - Backup Memory Trouble
C-07 - Ram Write Problem
C-21 - Drive Motor 1 Problem
C-22 - Drive Motot 2 Problem
C-23 - Paper Feed Motor Problem
C-23 - Side Registration Motor Problem
C-25 - Paper Deck Motor Problem
C-31 - Broken Halogen Lamp Problem
C-32 - Halogen Lamp Fails To Turn Off
C-35 - Scanner Motor Problem
C-41 - Lens Unit Problem
C-51 - Shorted Main Charger
C-52 - Shorted Transfer/Separation
Charger
C-53 - Developing Bias Problem
C-54 - Drum Surface Potential Sensor
Problem
C-55 - Potential Correction Does Not
Decrease
C-56 - Potential Correction Does Not
Increase
C-61 - Fixing Heater (M) Does Not Turn On
C-62 - Fixing Heater (S) Does Not Turn On
C-63 - Fixing Heaters (M & S) Do Not Turn
On
C-65 - Shorted Thermistor
C-66 - Open Thermistor
C-71 - Disconnected Charger Unit
C-72 - Shorted Drum Thermistor
C-73 - Open Drum Thermistor
C-74 - Shorted Developing Unit Thermistor
C-75 - Open Developing Unit Thermistor
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Errors.
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