Toshiba 1550 Cómo utilizar

SERVICE HANDBOOK

PLAIN PAPER COPIER

PAPER FEEDING UNIT

1550

MY-1004

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GENERAL PRECAUTIONS REGARDING THE INSTALLATION

AND THE SERVICE OF THE 1550/MY-1004

1. Transportation/Installation

• When transporting/installing the copier, using two persons, be sure to use the positions as indi-

cated below.

The copier is fairly heavy and weighs approximately 35 kg (76.8 lb), therefore pay full attention

when handling it.

2. Installation

• Be sure to use a dedicated outlet with AC 115V/15A (220V, 240V/10A) or more for its power

source.

• The copier must be grounded for safety.

Never ground it to a gas pipe or a water pipe.

• Select a suitable place for installation.

Avoid excessive heat, high humidity, dust, vibration and direct sunlight.

• To insure adequate working space for the copying operation, keep a minimum clearance of 80 cm

(31.5”) on the left, 80 cm (31.5”) on the right and 10 cm (3.9”) in the rear.

3. Service of Machines

• Basically, be sure to turn the main switch off and unplug the power cord during service.

• Be sure not to touch high temperature sections such as the exposure lamp, the fuser unit, the

damp heater and their periphery.

• Be sure not to touch high-voltages sections such as the chargers and the high-voltage trans-

former.

• Be sure not to touch rotating/operating sections such as gears, belts, pulleys, etc.

• When servicing the machines with the main switch turned on, be sure not to touch live sections

such as the lamp terminal etc.

• Use suitable measuring instruments and tools.

4 portions

4. Main Service Parts for Safety

• Thethermofuse,thermistor,fuse, breakeranddoorswitch,etc.areparticularly importantfor safety.

Be sure to handle/install them properly.

5. Notice Labels

• Be sure to check the rating plate and the notice labels such as “Unplug the power cord during

service”, “Hot area”, etc. to see if there is any dirt on their surface or if they are properly stuck to the

copier during servicing.

6. Disposition of Consumable Parts/Packing Materials

• Regarding the recovery and disposal of the copier, consumable parts and packing materials, it is

recommended to follow the relevant local regulations or rules.

7. When parts are disassembled, reassembly is basically the reverse of disassembly unless

otherwise noted in this manual or other related documents. Be careful not to reassemble

small parts such as screws, washers, pins, E-rings, toothed washers in the wrong places.

8. Basically, the machine should not be operated with any parts removed or disassembled.

1 - 1Oct. 1995 © TOSHIBA CORP. 1550 ADJUSTMENT

(2) Paper misfeeding in the paper feeding section

1. ADJUSTMENT ITEMS

1.1 Error Code Table

When the “CLEAR PAPER” or “CALL SERVICE” symbol is flashing, pressing the “CLEAR/STOP” key

and the “8” key simultaneously causes one of the following error codes to be displayed while the keys are

pressed.

(1) Paper misfeeding in the copier paper path

Error code Content Remarks

E01 Paper misfeeding inside the copier Bypass misfeeding is also included.

(Bypass feeding LED comes ON.)

E02 Paper misfeeding in the neighborhood

of the fuser

E03 Paper misfeeding inside the copier when

the power is turned on.

E05 Non-arrival-at-aligning-switch misfeed- After the paper fed from PFU has passed

ing the transport roller or fed from PPC?

Error code Content Remarks

E14 Lower cassette paper misfeeding (PFU) Paper does not arrive at the transport roller.

(3) Paper misfeeding in the ADF transport path

Error code Content Remarks

E71 Misfeeding in the ADF original feeding

section

E72 Midfeeding in the ADF original transport

section

E73 Misfeeding in the ADF original exiting

section

E75 2 in 1 (2nd-original misfeeding in the

feeding section)

1 - 2

1550 ADJUSTMENT Oct. 1995 © TOSHIBA CORP.

Error code Content Remarks

C21 Optical system initialization error Scanning, lens or mirror abnormal operation.

C22 Optical system initialization error When the lens is moved in the paper exit

direction at the time of the start of

initialization,and only if it is not detected by

the switch.

C26 Blown exposure lamp detection

(4) Paper misfeeding in the sorter transport path

Error code Content Remarks

E81 Paper delaying jam in the sorter Paper does not arrive at the entrance

transport path sensor.

E82 Paper staying jam in the sorter Paper stays at the entrance sensor.

transport path.

(5) Service call for the copier’s drive system

Error code Content Remarks

C01 Abnormal operation of the main motor

(6) Service call for the optical system

(7) Service call for the process system

Error code Content Remarks

C32 Easy setup (UA mode) error

(8) Fuser unit related

Error code Content Remarks

C41 Abnormal thermistor or broken heater

when the power is turned on.

C43 Abnormal thermistor during warming up.

C44 Heater breakage after the copier

becomes ready.

(9) Communication related service call

Error code Content Remarks

C54 Abnormal communication between the

sorter and the main CPU

C55 Abnormal communication between ADF

and the main CPU

®July 1996

1 - 3Oct. 1995 © TOSHIBA CORP. 1550 ADJUSTMENT

(10) ADF related

Error code Content Remarks

C71 Locked ADF main motor ADF jam LED is flashed.

C72 Maladjusted aligning sensor detection ADF jam LED is flashed.

C73 Faulty EEROM initialization ADF jam LED is flashed .

(11) Sorter related service call

Error code Content Remarks

C81 Abnormal paper transport motor

C82 Abnormal bin-moving motor

C83 Upper limit error

C84 Lower limit error

C85 Home sensor error

C88 Copy-removal sensor error

(12) Service call for other abnormalities

Error code Content Remarks

C94 Faulty optical system initialization in The content is similar to C21 error.

special modes (CH, AJ).

1 - 4

1550 ADJUSTMENT Oct. 1995 © TOSHIBA CORP.

1.2 Self-Diagnostic Mode

Keys pressed

simultaneously Mode Description Clearing

All control-panel LEDs

ON mode

0+1 All LEDs on the control panel come on. “Clear/Stop” key

0+2 Aging mode Aging “09”

Motor test and input/output check

(including initialization)

0+3 Test mode “09”

Motor test and input/output checkTest mode0+4 “09”

0+5 Adjustment mode Various adjustments “09”

0+6 Forced ready mode Forces the copier to become ready. —

Indication

—

0+7 Aging mode Aging (with ADF) “09” AG

System changing and setting defaults and

PM counter

0+8 Setting mode “09” AD

Note: How to access each mode:

While pressing the two keys for the mode to access (ex. “0” and “5” for the adjustment mode), turn on the

main (power) switch.

• All control-panel LEDs ON mode (01) :

01 Power All control-panel LEDs come on C/S Clear

• Aging mode (02) :

• Test mode (03 or 04) :

For this mode, refer to the “Input/Output Check” on page 1-6.

• Adjustment mode (05) :

For this mode, refer to the “Adjustment Mode” on page 1-9.

02 Power Aging operation

C/S 0 9 Clear

1 - 5Oct. 1995 © TOSHIBA CORP. 1550 ADJUSTMENT

•Forced ready mode (06) :

Power Forced ready status

Note: This mode should be used only when checking paper feeding operation.

•Setting mode (08) :

For this mode, refer to “Setting Mode” on page 1-12.

Self-diagnostic mode progress diagram :

“06” “P”

“01” “02”

“07”

“05”

“C”

“03/04” “05” “08”

“09” “09” “09”

“C”

Power ON

Warming up All control-panel

LEDs ON Aging Test mode

Adjustment mode Setting mode

Stand-by Temporary stop

“P” : Press PRINT.

“C” : Press CLEAR/STOP.

1 - 6

1550 ADJUSTMENT Oct. 1995 © TOSHIBA CORP.

1.2.1 Input check (Test mode 03/04)

In the 03 or 04 test mode, you can check the status of each of the following input signals by pressing

the corresponding keys.

Input

value EXP1 EXP2 EXP3 EXP4 EXP5 EXP6 EXP7 EXP8

PFU cover

switch

(open)

Developer

unit switch

(none)

Main motor

PLL

(NG) —

————

—

CTR-CNT

(No CTR)

HTR-RDY

(Not ready)

—

2 ————

3S-CNT

(No sorter)

MRR-HOM

(Home

position)

LNS-HOM

(Home

position)

CRG-HOM

(Home

position)

DF-CNT

(No DF)

TNR-FUL

(Normal)

EXIT-SW

(Paper

present)

EMP-SW

(No paper)

SIZ13

(OFF)

SIZ12

(OFF)

SIZ11

(OFF)

SIZ10

(OFF)

FED-SW

(Paper

present)

EMP-SW2

(No paper)

CST2

(No cassette)

RGT-SW

(Paper

present)

Bin-home

sensor

(ON)

One-rotation

sensor

(ON)

Paper-on-tray

sensor

(ON)

Entrance

sensor

(ON)

Limit

sensor

(ON)

Removal

sensor

(ON)

Empty sensor

(ON)

Open sensor

(ON)

Exit sensor

(ON)

Aligning

sensor

(ON)

Paper width

sensor 1

(ON)

SIZ00

(OFF)

SIZ01

(OFF)

SIZ02

(OFF)

SIZ03

(OFF)

————

—

——

*( ) means that LEDs come on.

Power PRINT Nemeric keys LED ON 09

DARKLIGHT AUTO

Paper width

sensor 2

(ON)

1 - 7Oct. 1995 © TOSHIBA CORP. 1550 ADJUSTMENT

1.2.2 Output check mode (Test mode 03/04)

In the 03 or 04 test mode, you can check the status of each of the output signals by entering the

following corresponding code.

Code Function Code Function Group

1 Main motor

2 Feed roller clutch (copier)

3 Aligning roller clutch (copier)

6 Toner motor

7 Optics fan

8 Exit fan

9 Pick-up roller clutch (copier)

11 Main motor

12 Feed roller clutch (copier)

13 Aligning roller clutch (copier)

16 Toner motor

17 Optics fan

18 Exit fan

19 Pick-up roller clutch (copier)

10 Total counter Increases at each “P” key press.

*1 20 Scanning motor At 1st “P” key press, scans forward and backward at 2nd press.

21 Lens motor At 1st “P” key press, moves to 50% position and to 200%

position at 2nd press.

22 Mirror motor At 1st “P” key press, moves to 50% position and to 200%

position at 2nd press.

30 HVT-M

31 HVT-TR

32 HVT-AC

33 Exposure lamp If forced on for 5 sec., it goes off.

64444474444448

ON OFF

61 PFU motor (PFU)

62 Pick-up roller clutch (PFU)

63 Feed roller clutch (PFU)

64 Aligning roller clutch (PFU)

80 DF independent aging At 1st “P” key press, starts and stops at 2nd press.

71 PFU motor (PFU)

72 Pick-up roller clutch (PFU)

73 Feed roller clutch (PFU)

74 Aligning roller clutch (PFU)

64748 64474448

At 1st “P” key press, comes on and goes off at 2nd press.

64474448

OFF

92 Sorter aging without paper At 1st “P” key press, starts and goes off at 2nd press.

644444444474444444448

82 DF pick-up roller rotation

83 DF aligning roller

84 DF transport belt rotation

85 DF pick-up roller rotation/Weight solenoid

86 DF weight solenoid

87 DF clutch

90 Sorter transport motor

91 Sorter bin motor

*1: Scanning motor rotates at the preset reproduction ratio.

At 1st “P” key press, comes on and stops at

2nd press.

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