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The manual was of good quality with high resolution schematic diagrams.
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The manual was very clear and contained all the information I was looking for. My dishwasher is working again because of this servicemanual!
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Quality scan, great manual. I solved my problem with this manual.
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The AKAI 1720 model reel to reel tape recorder described in this Manual is quite an old unit - circa late 1960's. As a consequence, the description of the mechanical details - and adjustments thereof - is quite critical. The manual does this quite well. The schematics are also well presented and have detailed PCB overlays. Probably the only negative is that some half-tone detail has been lost from the original manual as it has been scanned in simple B&W.
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Perfect source for service manuals: fast and professional transaction; high quality, perfect readable and largely scaleable PDF; complete schemes, diagrams and spare part list. Tnx a lot, cu again!!!!
1
Image are light or blurred a whole.
� Is toner low? (Is the TONER LOW message displayed?) �
w
Yes
Supply toner.
�
No � No
Is paper of the specified grade used? Use paper of the specified grade. Is the lens surface of the LED head dirty? Yes Clean the lens.
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�
Yes �
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�
No
Is the LED head installed properly? (Check connector HEAD1 (14P), HEAD2 (12P) of the Main board and PC connector on the LED head for proper connection.) No Install the LED head properly. Is the contact plate of the transfer roller contacted with the contact assembly of the Power Supply Unit (High Voltage) properly? (See Figure 6-6.) No Make the contact plate of the transfer roller contact with the Power Supply Unit (High Voltage) and Shaft of the transfer roller properly. Are the contact of the developing roller and the contact of the toner supply roller of the image drum cartridge contacted with the contact assembly properly? (See Figure 6-5 A and B .) No Adjust the contacts of the developing and toner supply roller to contact the contact assembly properly. Replace the transfer roller. (See 3.3.36.)
�
w
�
Yes
�
w
�
Yes
�
w
� �
Yes
w
Has the trouble been removed? � YES END Replace the image drum cartridge.
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� �
No
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Has the trouble been removed? � YES END
Note:
After replacing the image drum cartridge, set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter. (Refer to User's Manual.)
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�
No
Replace the Main board or Power Supply Unit (High Voltage).
40931201TH DRAFT Vesion
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