I am a student and I first developed my own negatives, and they were completely clear, so I figured that I devolped them wrong, but then my professor said that I did develop them correctly, and that it must be my camera. I decided to shoot a roll of color and take it up to a one hour and see if they would come out, and they didn't. So I am wondering if it has to do with certain settings, or if my camera will just not work.
"Clear" = no exposure, right? Two possibilities: light not getting in; or film not advancing. To check the former, take a "picture" with the camera open at the back. See the light through the lens? Yes = OK, No = there is a problem with the shutter. Most likely the film is not advancing. Here's a test. Load the camera with a roll of film and take one picture. Open the camera and see if film moved. If not, go read the manual to make sure you are loading it properly.
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The blinking CH means that the Developing cartridge not installed.
Here is how to correct the issue:
1)Turn OFF the power of the machine.
2)Open the front cover.
3)Install the developer unit and toner cartridge.
4)Turn ON the power of the machine with the cover opened.
5)Enter Sim25-02. (Entered value display section: "CH" is displayed. Start LED: OFF)
6)Close the front cover. (Entered value display section: "--" is displayed. Start LED: ON)
7)Press [START] key to execute Sim25-02.When [START] key is pressed, the main motor rotates for 3 minutes to determine the toner sensor reference value and clear the developer rotation time as well as to clear the developer counter.When the operation is completed normally, the ATC sensor reference value is displayed on the entered value display section. If an error occurs, one of the following indicators is lighted. LED Misfeed indicator Paper required indicator This simulation must be executed only immediately after installing developer, Do not execute this simulation for any developer which has been used. If the machine goes into the warm-up state before completion of this simulation, there is a possibility that toner may be supplied to the developer during warm-up. In such a case, therefore, the developer must be replaced with new one.
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Are you looking at the picture as in a print OR are you holding the negative up to the light and looking at it that way. Don't touch the negatives, they should be in a protective sleeve but you can see through it. You should be able to see if the spacing between the frames is messed up and if you have lighter and darker negatives. Looking at a print from an automated one hour service isn't worth the time of day to determine a problem. The Pentax K1000 is the work horse of the century for students learning photography and a lot of them have seen extensive use, also the camera is quite old. What I expect is if the negatives are showing overlapping frames AND the exposure is off sometimes over and other times underexposed then the camera needs service lubrication and adjustment. It's great that the light meter is working but the shutter speed could be off and the advance is skipping giving the overlap. I don't know where you are in this world but in Canada that's a $80.00 to $120.00 fix and have the repair person change the light seals while he/she has it apart. The Pentax K1000 is still a great camera it's up to you whether or not to spend the money. I can't tell you what to do but I can suggest that if you are going to shoot film you find some place that does it with a little more human touch. Hope this was a help
Press the System Menu/ Counter Key
Select Service Setting using the up/down cursor key
While pressing the start key and the # key press the enter key
Select maintenance mode using up or down cursor keys
Press enter key
Enter the maintenance item
number U-130 using the up/down keys.
The selected maintenance item is run.
Press the back key.
Press the enter key.
Run another maintenance
Turn power switch off and back on
U130 Initial setting for the developer
Executes toner install operation.
To operate when replacing the process unit.
1. Press the enter key. A selection item appears.
2. Select On using the up/down cursor keys.
3. Press the enter key.
4. Turning the power switch off and back on.
ADDING TONER is displayed and installation of toner starts.
5. After approximately 15 minutes, the installation is completed and the machine becomes ready
.U157 Checking/clearing the developing drive time
Displays the developing drive time for checking or changing a figure.
To enter the developing drive time again after carrying out initialization with U020 and to clear the developing
drive time when replacing process unit.
1. Press the enter key. The developing drive time is displayed in minutes.
2. Change the setting using the left/right cursor keys or numeric keys.
Setting range: 0 to 99999
To clear the developing drive time, set the value to 0.
3. Press the enter key. The value is set.
Press the back key. The indication for selecting a maintenance item No. appears.
I hope this isn't too confusing for you, but this is what has to be done when replacing the Drum Unit (Process Unit Assembly)